./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:01:24,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:01:24,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 14:01:24,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:01:24,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:01:24,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:01:24,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:01:24,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:01:24,874 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:01:24,875 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:01:24,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:01:24,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:01:24,877 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:01:24,877 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 14:01:24,877 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 14:01:24,878 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 14:01:24,878 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 14:01:24,878 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 14:01:24,878 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 14:01:24,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:01:24,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 14:01:24,878 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:01:24,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:01:24,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:01:24,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:01:24,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 14:01:24,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 14:01:24,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 14:01:24,879 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:01:24,879 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:01:24,879 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:01:24,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:01:24,880 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 14:01:24,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:01:24,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:01:24,880 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:01:24,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:01:24,880 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:01:24,880 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 14:01:24,881 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 [2024-11-13 14:01:25,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:01:25,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:01:25,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:01:25,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:01:25,266 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:01:25,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i Unable to find full path for "g++" [2024-11-13 14:01:27,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:01:27,489 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:01:27,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/sv-benchmarks/c/array-memsafety/count_down-alloca-1.i [2024-11-13 14:01:27,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/data/d2d862f13/97cdf537334a42d7ace1f8928ce9b716/FLAG8e2d3bc62 [2024-11-13 14:01:27,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/data/d2d862f13/97cdf537334a42d7ace1f8928ce9b716 [2024-11-13 14:01:27,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:01:27,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:01:27,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:01:27,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:01:27,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:01:27,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@498e8922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27, skipping insertion in model container [2024-11-13 14:01:27,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:01:27,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:01:27,830 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:01:27,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:01:27,897 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:01:27,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27 WrapperNode [2024-11-13 14:01:27,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:01:27,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:01:27,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:01:27,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:01:27,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,948 INFO L138 Inliner]: procedures = 115, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2024-11-13 14:01:27,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:01:27,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:01:27,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:01:27,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:01:27,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,963 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,986 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-13 14:01:27,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:28,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:28,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:28,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:28,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:01:28,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:01:28,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:01:28,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:01:28,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:28,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:28,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:28,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:28,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 14:01:28,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:01:28,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:01:28,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:01:28,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:01:28,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:01:28,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:01:28,184 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:01:28,186 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:01:28,312 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 14:01:28,312 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:01:28,321 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:01:28,321 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 14:01:28,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:01:28 BoogieIcfgContainer [2024-11-13 14:01:28,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:01:28,322 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 14:01:28,323 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 14:01:28,328 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 14:01:28,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:01:28,329 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 02:01:27" (1/3) ... [2024-11-13 14:01:28,330 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b724824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:01:28, skipping insertion in model container [2024-11-13 14:01:28,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:01:28,330 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (2/3) ... [2024-11-13 14:01:28,331 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b724824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:01:28, skipping insertion in model container [2024-11-13 14:01:28,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:01:28,331 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:01:28" (3/3) ... [2024-11-13 14:01:28,333 INFO L333 chiAutomizerObserver]: Analyzing ICFG count_down-alloca-1.i [2024-11-13 14:01:28,392 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 14:01:28,392 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 14:01:28,392 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 14:01:28,392 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 14:01:28,392 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 14:01:28,393 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 14:01:28,393 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 14:01:28,393 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 14:01:28,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:28,415 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-13 14:01:28,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:28,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:28,420 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 14:01:28,420 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 14:01:28,421 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 14:01:28,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:28,422 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-13 14:01:28,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:28,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:28,423 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 14:01:28,423 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 14:01:28,430 INFO L745 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 17#L516true assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 15#L516-2true call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 9#L518true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 7#L519-2true [2024-11-13 14:01:28,431 INFO L747 eck$LassoCheckResult]: Loop: 7#L519-2true assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 11#L521true assume main_~val~0#1 < 0;main_~val~0#1 := 0; 6#L521-2true call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 7#L519-2true [2024-11-13 14:01:28,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:28,437 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2024-11-13 14:01:28,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:28,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412156732] [2024-11-13 14:01:28,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:28,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:28,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:28,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:28,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:28,592 INFO L85 PathProgramCache]: Analyzing trace with hash 51737, now seen corresponding path program 1 times [2024-11-13 14:01:28,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:28,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415359438] [2024-11-13 14:01:28,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:28,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:28,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:28,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:28,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:28,632 INFO L85 PathProgramCache]: Analyzing trace with hash 176707665, now seen corresponding path program 1 times [2024-11-13 14:01:28,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:28,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329175287] [2024-11-13 14:01:28,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:28,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:28,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:28,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:29,166 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:29,167 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:29,167 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:29,167 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:29,168 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:01:29,168 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:29,168 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:29,168 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:29,168 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration1_Lasso [2024-11-13 14:01:29,168 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:29,168 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:29,192 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,839 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:29,843 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:01:29,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:29,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:29,849 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:29,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 14:01:29,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:29,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:29,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:29,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:29,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:29,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:29,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:29,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:29,879 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:29,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 14:01:29,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:29,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:29,900 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:29,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 14:01:29,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:29,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:29,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:29,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:29,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:29,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:29,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:29,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:29,922 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:29,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:29,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:29,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:29,943 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:29,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 14:01:29,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:29,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:29,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:29,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:29,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:29,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:29,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:29,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:29,959 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:29,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-13 14:01:29,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:29,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:29,972 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:29,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 14:01:29,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:29,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:29,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:29,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:29,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:29,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:29,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:29,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:29,991 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 14:01:30,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,012 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 14:01:30,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:30,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:30,040 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:30,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,061 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 14:01:30,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:30,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:30,085 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-13 14:01:30,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,108 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 14:01:30,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:30,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:30,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:30,128 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-13 14:01:30,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,148 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 14:01:30,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:30,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:30,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:30,168 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-13 14:01:30,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,189 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 14:01:30,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:30,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:30,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:30,213 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:30,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,234 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 14:01:30,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:30,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:30,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:30,257 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:30,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,277 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 14:01:30,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:30,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:30,303 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:30,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,324 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-13 14:01:30,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:30,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:30,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:30,344 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-13 14:01:30,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,358 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-13 14:01:30,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:30,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:30,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:30,382 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-13 14:01:30,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,402 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-13 14:01:30,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:30,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:30,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:30,422 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:30,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,436 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-13 14:01:30,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:30,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:30,459 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-13 14:01:30,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,478 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-13 14:01:30,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:30,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:30,525 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:01:30,565 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-13 14:01:30,570 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-11-13 14:01:30,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,576 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-13 14:01:30,578 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:01:30,593 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-13 14:01:30,593 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:01:30,594 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1 - 4*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~arr~0#1.offset >= 0] [2024-11-13 14:01:30,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-13 14:01:30,628 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2024-11-13 14:01:30,643 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 14:01:30,644 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 14:01:30,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-13 14:01:30,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:30,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:01:30,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:30,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:01:30,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:30,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:30,854 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-13 14:01:30,856 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:30,930 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 46 transitions. Complement of second has 7 states. [2024-11-13 14:01:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:30,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:30,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2024-11-13 14:01:30,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-13 14:01:30,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:30,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 8 letters. Loop has 3 letters. [2024-11-13 14:01:30,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:30,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 5 letters. Loop has 6 letters. [2024-11-13 14:01:30,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:30,950 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 46 transitions. [2024-11-13 14:01:30,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 14:01:30,955 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 14 states and 20 transitions. [2024-11-13 14:01:30,956 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:01:30,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-13 14:01:30,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2024-11-13 14:01:30,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:01:30,957 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2024-11-13 14:01:30,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2024-11-13 14:01:30,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-13 14:01:30,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:30,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2024-11-13 14:01:30,977 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2024-11-13 14:01:30,977 INFO L424 stractBuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2024-11-13 14:01:30,977 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 14:01:30,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2024-11-13 14:01:30,978 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 14:01:30,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:30,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:30,979 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:30,979 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 14:01:30,979 INFO L745 eck$LassoCheckResult]: Stem: 131#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 128#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 129#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 132#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 130#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 125#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 126#L519-3 main_~j~0#1 := 0; 119#L526-2 [2024-11-13 14:01:30,979 INFO L747 eck$LassoCheckResult]: Loop: 119#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 120#L527-3 assume !true; 122#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 119#L526-2 [2024-11-13 14:01:30,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:30,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815510, now seen corresponding path program 1 times [2024-11-13 14:01:30,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:30,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837460572] [2024-11-13 14:01:30,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:30,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:31,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:31,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:31,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837460572] [2024-11-13 14:01:31,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837460572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:31,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:31,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:01:31,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923496562] [2024-11-13 14:01:31,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:31,073 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:01:31,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:31,074 INFO L85 PathProgramCache]: Analyzing trace with hash 70858, now seen corresponding path program 1 times [2024-11-13 14:01:31,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:31,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426382528] [2024-11-13 14:01:31,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:31,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:31,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:31,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426382528] [2024-11-13 14:01:31,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426382528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:31,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:31,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:01:31,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564507216] [2024-11-13 14:01:31,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:31,087 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 14:01:31,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:31,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:01:31,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:01:31,090 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:31,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:31,094 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2024-11-13 14:01:31,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2024-11-13 14:01:31,096 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 14:01:31,096 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 19 transitions. [2024-11-13 14:01:31,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:01:31,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-13 14:01:31,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2024-11-13 14:01:31,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:01:31,098 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-11-13 14:01:31,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2024-11-13 14:01:31,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-13 14:01:31,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:31,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2024-11-13 14:01:31,100 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-11-13 14:01:31,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:01:31,100 INFO L424 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-11-13 14:01:31,100 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 14:01:31,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2024-11-13 14:01:31,101 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 14:01:31,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:31,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:31,101 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:31,101 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-13 14:01:31,102 INFO L745 eck$LassoCheckResult]: Stem: 166#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 163#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 164#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 167#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 165#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 160#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 161#L519-3 main_~j~0#1 := 0; 154#L526-2 [2024-11-13 14:01:31,102 INFO L747 eck$LassoCheckResult]: Loop: 154#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 155#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 156#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 157#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 154#L526-2 [2024-11-13 14:01:31,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:31,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815510, now seen corresponding path program 2 times [2024-11-13 14:01:31,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:31,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360026669] [2024-11-13 14:01:31,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:31,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:31,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:31,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:31,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360026669] [2024-11-13 14:01:31,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360026669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:01:31,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:01:31,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:01:31,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583288102] [2024-11-13 14:01:31,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:01:31,166 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:01:31,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:31,167 INFO L85 PathProgramCache]: Analyzing trace with hash 2189739, now seen corresponding path program 1 times [2024-11-13 14:01:31,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:31,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522243879] [2024-11-13 14:01:31,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:31,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:31,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:31,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:31,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:31,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:01:31,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:01:31,234 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:31,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:31,267 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2024-11-13 14:01:31,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2024-11-13 14:01:31,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 14:01:31,271 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2024-11-13 14:01:31,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:01:31,271 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-13 14:01:31,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2024-11-13 14:01:31,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:01:31,271 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-13 14:01:31,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2024-11-13 14:01:31,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2024-11-13 14:01:31,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:31,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2024-11-13 14:01:31,273 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-13 14:01:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:01:31,275 INFO L424 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-13 14:01:31,275 INFO L331 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-13 14:01:31,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2024-11-13 14:01:31,276 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 14:01:31,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:31,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:31,277 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:31,277 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-13 14:01:31,277 INFO L745 eck$LassoCheckResult]: Stem: 203#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 200#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 201#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 204#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 202#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 197#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 198#L521 assume !(main_~val~0#1 < 0); 195#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 196#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 199#L519-3 main_~j~0#1 := 0; 191#L526-2 [2024-11-13 14:01:31,278 INFO L747 eck$LassoCheckResult]: Loop: 191#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 192#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 193#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 194#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 191#L526-2 [2024-11-13 14:01:31,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:31,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1982565540, now seen corresponding path program 1 times [2024-11-13 14:01:31,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:31,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172539046] [2024-11-13 14:01:31,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:31,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:31,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:31,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:31,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:31,338 INFO L85 PathProgramCache]: Analyzing trace with hash 2189739, now seen corresponding path program 2 times [2024-11-13 14:01:31,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:31,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960500275] [2024-11-13 14:01:31,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:31,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:31,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:31,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:31,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:31,360 INFO L85 PathProgramCache]: Analyzing trace with hash -645482618, now seen corresponding path program 1 times [2024-11-13 14:01:31,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:31,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745804318] [2024-11-13 14:01:31,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:31,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:31,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:31,427 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:31,698 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:31,698 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:31,698 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:31,698 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:31,698 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:01:31,698 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:31,698 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:31,698 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:31,698 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration4_Lasso [2024-11-13 14:01:31,698 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:31,698 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:31,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,709 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,714 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:32,093 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:32,094 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:01:32,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:32,096 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:32,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-13 14:01:32,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:32,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:32,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:32,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:32,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:32,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:32,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:32,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:32,119 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:32,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-13 14:01:32,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:32,140 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:32,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-13 14:01:32,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:32,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:32,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:32,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:32,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:32,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:32,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:32,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:32,160 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:32,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-13 14:01:32,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:32,181 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:32,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-13 14:01:32,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:32,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:32,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:32,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:32,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:32,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:32,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:32,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:32,203 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:32,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-13 14:01:32,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:32,224 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:32,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-13 14:01:32,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:32,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:32,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:32,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:32,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:32,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:32,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:32,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:32,244 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:32,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-13 14:01:32,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:32,264 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:32,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-13 14:01:32,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:32,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:32,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:32,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:32,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:32,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:32,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:32,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:32,288 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:32,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-13 14:01:32,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:32,311 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:32,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-13 14:01:32,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:32,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:32,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:32,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:32,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:32,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:32,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:32,356 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:01:32,392 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2024-11-13 14:01:32,392 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2024-11-13 14:01:32,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:32,395 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:32,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-13 14:01:32,397 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:01:32,413 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:01:32,413 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:01:32,413 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length~0#1, ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~length~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2024-11-13 14:01:32,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-13 14:01:32,445 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2024-11-13 14:01:32,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:32,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:01:32,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:32,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:01:32,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:32,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:32,548 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-13 14:01:32,549 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:32,576 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 25 transitions. Complement of second has 4 states. [2024-11-13 14:01:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:32,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:32,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2024-11-13 14:01:32,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-13 14:01:32,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:32,578 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 14 letters. Loop has 4 letters. [2024-11-13 14:01:32,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:32,578 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-13 14:01:32,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:32,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 25 transitions. [2024-11-13 14:01:32,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:32,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 24 transitions. [2024-11-13 14:01:32,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:01:32,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-13 14:01:32,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2024-11-13 14:01:32,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:32,580 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2024-11-13 14:01:32,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2024-11-13 14:01:32,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2024-11-13 14:01:32,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2024-11-13 14:01:32,582 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2024-11-13 14:01:32,582 INFO L424 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2024-11-13 14:01:32,582 INFO L331 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-13 14:01:32,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2024-11-13 14:01:32,582 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:32,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:32,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:32,586 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:32,586 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:32,586 INFO L745 eck$LassoCheckResult]: Stem: 312#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 309#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 310#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 313#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 311#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 306#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 307#L521 assume !(main_~val~0#1 < 0); 304#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 305#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 308#L519-3 main_~j~0#1 := 0; 297#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 298#L527-3 [2024-11-13 14:01:32,586 INFO L747 eck$LassoCheckResult]: Loop: 298#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 301#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 298#L527-3 [2024-11-13 14:01:32,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:32,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1329989555, now seen corresponding path program 1 times [2024-11-13 14:01:32,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:32,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365022716] [2024-11-13 14:01:32,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:32,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:32,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:32,621 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:32,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:32,621 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 1 times [2024-11-13 14:01:32,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:32,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408926659] [2024-11-13 14:01:32,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:32,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:32,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:32,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:32,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:32,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1780293298, now seen corresponding path program 1 times [2024-11-13 14:01:32,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:32,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357245226] [2024-11-13 14:01:32,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:32,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:32,677 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:32,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:32,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-13 14:01:32,988 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:32,988 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:32,988 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:32,988 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:32,988 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:01:32,988 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,988 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:32,988 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:32,988 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration5_Lasso [2024-11-13 14:01:32,988 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:32,989 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:32,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:32,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:32,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,025 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,392 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:33,392 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:01:33,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,395 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-13 14:01:33,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:33,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:33,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:33,418 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:33,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-13 14:01:33,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,434 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-13 14:01:33,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:33,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:33,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:33,452 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:33,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:33,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,465 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-13 14:01:33,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:33,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:33,483 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:33,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-13 14:01:33,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,504 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-13 14:01:33,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:33,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:33,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:33,524 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:33,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:33,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,538 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-13 14:01:33,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:33,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:33,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:33,555 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:33,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-13 14:01:33,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,576 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-13 14:01:33,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:33,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:33,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:33,593 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:33,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:33,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,606 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-13 14:01:33,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:33,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:33,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:33,620 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:33,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-13 14:01:33,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,633 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-13 14:01:33,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:33,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:33,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:33,648 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:33,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-13 14:01:33,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,661 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-13 14:01:33,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:33,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:33,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:33,676 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:33,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-13 14:01:33,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,690 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-13 14:01:33,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:33,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:33,708 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:33,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-13 14:01:33,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,729 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-13 14:01:33,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:33,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:33,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:33,747 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:33,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-13 14:01:33,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,761 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-13 14:01:33,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:33,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:33,780 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:33,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-13 14:01:33,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,800 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-13 14:01:33,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:33,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:33,831 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:01:33,844 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-13 14:01:33,844 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-13 14:01:33,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,846 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-13 14:01:33,849 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:01:33,864 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:01:33,864 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:01:33,864 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_2) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_2 Supporting invariants [] [2024-11-13 14:01:33,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-13 14:01:33,896 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2024-11-13 14:01:33,898 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:01:33,898 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:01:33,898 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:01:33,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:33,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:01:33,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:33,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:33,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:33,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:33,997 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-13 14:01:33,997 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:34,045 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 34 transitions. Complement of second has 8 states. [2024-11-13 14:01:34,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:34,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2024-11-13 14:01:34,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 11 letters. Loop has 2 letters. [2024-11-13 14:01:34,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:34,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 13 letters. Loop has 2 letters. [2024-11-13 14:01:34,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:34,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 11 letters. Loop has 4 letters. [2024-11-13 14:01:34,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:34,047 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2024-11-13 14:01:34,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:34,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 27 transitions. [2024-11-13 14:01:34,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:01:34,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:01:34,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2024-11-13 14:01:34,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:34,049 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2024-11-13 14:01:34,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2024-11-13 14:01:34,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2024-11-13 14:01:34,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2024-11-13 14:01:34,051 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2024-11-13 14:01:34,051 INFO L424 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2024-11-13 14:01:34,051 INFO L331 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-13 14:01:34,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2024-11-13 14:01:34,051 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:34,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:34,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:34,052 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:34,052 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:34,052 INFO L745 eck$LassoCheckResult]: Stem: 442#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 438#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 439#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 443#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 440#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 435#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 436#L521 assume !(main_~val~0#1 < 0); 433#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 434#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 437#L519-3 main_~j~0#1 := 0; 425#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 426#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 431#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 432#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 427#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 428#L527-3 [2024-11-13 14:01:34,053 INFO L747 eck$LassoCheckResult]: Loop: 428#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 430#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 428#L527-3 [2024-11-13 14:01:34,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:34,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1464875363, now seen corresponding path program 2 times [2024-11-13 14:01:34,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:34,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080806194] [2024-11-13 14:01:34,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:34,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:34,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-13 14:01:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:34,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:34,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080806194] [2024-11-13 14:01:34,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080806194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:01:34,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400482753] [2024-11-13 14:01:34,209 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:01:34,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:34,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:34,211 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:01:34,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-13 14:01:34,262 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:01:34,263 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:01:34,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:01:34,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:34,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:34,333 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:01:34,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:34,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400482753] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:01:34,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:01:34,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-13 14:01:34,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756366422] [2024-11-13 14:01:34,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:01:34,384 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:01:34,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:34,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 2 times [2024-11-13 14:01:34,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:34,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654660938] [2024-11-13 14:01:34,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:34,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:34,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:34,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:34,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:34,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 14:01:34,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:01:34,452 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 10 Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:34,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:34,562 INFO L93 Difference]: Finished difference Result 40 states and 52 transitions. [2024-11-13 14:01:34,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 52 transitions. [2024-11-13 14:01:34,563 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:34,564 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 25 states and 32 transitions. [2024-11-13 14:01:34,564 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:01:34,564 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:01:34,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 32 transitions. [2024-11-13 14:01:34,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:34,564 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 32 transitions. [2024-11-13 14:01:34,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 32 transitions. [2024-11-13 14:01:34,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2024-11-13 14:01:34,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 22 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:34,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2024-11-13 14:01:34,569 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 29 transitions. [2024-11-13 14:01:34,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:01:34,570 INFO L424 stractBuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2024-11-13 14:01:34,573 INFO L331 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-13 14:01:34,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 29 transitions. [2024-11-13 14:01:34,574 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:34,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:34,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:34,575 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:34,575 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:34,575 INFO L745 eck$LassoCheckResult]: Stem: 607#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 601#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 602#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 609#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 603#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 598#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 599#L521 assume !(main_~val~0#1 < 0); 596#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 597#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 600#L521 assume !(main_~val~0#1 < 0); 605#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 611#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 604#L519-3 main_~j~0#1 := 0; 589#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 590#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 610#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 608#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 591#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 592#L527-3 [2024-11-13 14:01:34,575 INFO L747 eck$LassoCheckResult]: Loop: 592#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 594#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 592#L527-3 [2024-11-13 14:01:34,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:34,575 INFO L85 PathProgramCache]: Analyzing trace with hash 208090537, now seen corresponding path program 3 times [2024-11-13 14:01:34,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:34,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618624684] [2024-11-13 14:01:34,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:34,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:34,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:34,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:34,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:34,650 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 3 times [2024-11-13 14:01:34,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:34,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811016049] [2024-11-13 14:01:34,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:34,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:34,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:34,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:34,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:34,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1888455410, now seen corresponding path program 1 times [2024-11-13 14:01:34,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:34,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248069641] [2024-11-13 14:01:34,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:34,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:34,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:34,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:35,092 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:35,092 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:35,092 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:35,092 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:35,092 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:01:35,092 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:35,092 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:35,092 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:35,092 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration7_Lasso [2024-11-13 14:01:35,092 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:35,092 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:35,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,510 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:35,510 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:01:35,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:35,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:35,513 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:35,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-13 14:01:35,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:35,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:35,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:35,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:35,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:35,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:35,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:35,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:35,527 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:35,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-13 14:01:35,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:35,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:35,541 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:35,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-13 14:01:35,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:35,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:35,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:35,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:35,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:35,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:35,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:35,567 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:01:35,578 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-11-13 14:01:35,578 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-13 14:01:35,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:35,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:35,580 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:35,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-13 14:01:35,582 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:01:35,593 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:01:35,593 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:01:35,594 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 4))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 4))_1 Supporting invariants [] [2024-11-13 14:01:35,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-13 14:01:35,620 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2024-11-13 14:01:35,622 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:01:35,622 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:01:35,622 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:01:35,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:35,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:01:35,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:35,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:35,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:35,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:35,755 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2024-11-13 14:01:35,755 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 29 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:35,783 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 29 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 31 transitions. Complement of second has 4 states. [2024-11-13 14:01:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:35,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:35,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:01:35,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 18 letters. Loop has 2 letters. [2024-11-13 14:01:35,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:35,785 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:01:35,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:35,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:01:35,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:35,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:35,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:35,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:35,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:35,922 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2024-11-13 14:01:35,923 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 29 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:35,948 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 29 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 31 transitions. Complement of second has 4 states. [2024-11-13 14:01:35,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:35,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:35,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:01:35,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 18 letters. Loop has 2 letters. [2024-11-13 14:01:35,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:35,953 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:01:35,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:36,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:01:36,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:36,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:36,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:36,077 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2024-11-13 14:01:36,077 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 29 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:36,144 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 29 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 48 transitions. Complement of second has 10 states. [2024-11-13 14:01:36,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:01:36,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:36,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 32 transitions. [2024-11-13 14:01:36,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 32 transitions. Stem has 18 letters. Loop has 2 letters. [2024-11-13 14:01:36,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:36,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 32 transitions. Stem has 20 letters. Loop has 2 letters. [2024-11-13 14:01:36,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:36,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 32 transitions. Stem has 18 letters. Loop has 4 letters. [2024-11-13 14:01:36,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:36,149 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2024-11-13 14:01:36,150 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:36,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 33 states and 41 transitions. [2024-11-13 14:01:36,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:01:36,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:01:36,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 41 transitions. [2024-11-13 14:01:36,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:36,151 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 41 transitions. [2024-11-13 14:01:36,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 41 transitions. [2024-11-13 14:01:36,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2024-11-13 14:01:36,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.25) internal successors, (35), 27 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:36,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-13 14:01:36,153 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-13 14:01:36,153 INFO L424 stractBuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-13 14:01:36,153 INFO L331 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-13 14:01:36,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 35 transitions. [2024-11-13 14:01:36,154 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:36,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:36,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:36,155 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:36,155 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:36,155 INFO L745 eck$LassoCheckResult]: Stem: 972#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 965#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 966#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 973#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 967#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 962#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 963#L521 assume !(main_~val~0#1 < 0); 960#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 961#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 964#L521 assume !(main_~val~0#1 < 0); 969#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 976#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 968#L519-3 main_~j~0#1 := 0; 953#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 954#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 978#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 977#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 955#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 956#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 980#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 974#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 975#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 958#L527-3 [2024-11-13 14:01:36,155 INFO L747 eck$LassoCheckResult]: Loop: 958#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 957#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 958#L527-3 [2024-11-13 14:01:36,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:36,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1965516991, now seen corresponding path program 4 times [2024-11-13 14:01:36,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:36,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787349995] [2024-11-13 14:01:36,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:36,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:36,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:36,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787349995] [2024-11-13 14:01:36,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787349995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:01:36,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834190997] [2024-11-13 14:01:36,346 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 14:01:36,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:36,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:36,347 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:01:36,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-13 14:01:36,403 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 14:01:36,403 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:01:36,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:01:36,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:36,507 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:36,507 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:01:36,575 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:36,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834190997] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:01:36,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:01:36,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-11-13 14:01:36,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360103658] [2024-11-13 14:01:36,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:01:36,575 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:01:36,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:36,576 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 4 times [2024-11-13 14:01:36,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:36,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567002138] [2024-11-13 14:01:36,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:36,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:36,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:36,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:36,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:36,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 14:01:36,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:01:36,632 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. cyclomatic complexity: 12 Second operand has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 14 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:36,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:36,752 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2024-11-13 14:01:36,752 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 56 transitions. [2024-11-13 14:01:36,753 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:36,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 33 states and 42 transitions. [2024-11-13 14:01:36,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:01:36,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:01:36,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 42 transitions. [2024-11-13 14:01:36,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:36,754 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 42 transitions. [2024-11-13 14:01:36,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 42 transitions. [2024-11-13 14:01:36,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2024-11-13 14:01:36,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2024-11-13 14:01:36,756 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 39 transitions. [2024-11-13 14:01:36,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:01:36,757 INFO L424 stractBuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2024-11-13 14:01:36,757 INFO L331 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-13 14:01:36,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 39 transitions. [2024-11-13 14:01:36,758 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:36,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:36,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:36,759 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:36,759 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:36,759 INFO L745 eck$LassoCheckResult]: Stem: 1188#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1182#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1183#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 1190#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1184#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1178#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1179#L521 assume !(main_~val~0#1 < 0); 1199#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1180#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1181#L521 assume !(main_~val~0#1 < 0); 1176#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1177#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1192#L521 assume !(main_~val~0#1 < 0); 1194#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1191#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 1185#L519-3 main_~j~0#1 := 0; 1169#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 1170#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1196#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 1189#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1171#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 1172#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1198#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 1195#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1193#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 1174#L527-3 [2024-11-13 14:01:36,759 INFO L747 eck$LassoCheckResult]: Loop: 1174#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1173#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 1174#L527-3 [2024-11-13 14:01:36,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:36,760 INFO L85 PathProgramCache]: Analyzing trace with hash 185545145, now seen corresponding path program 5 times [2024-11-13 14:01:36,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:36,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835813383] [2024-11-13 14:01:36,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:36,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:36,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:36,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:36,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:36,809 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 5 times [2024-11-13 14:01:36,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:36,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332949146] [2024-11-13 14:01:36,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:36,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:36,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:36,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:36,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:36,822 INFO L85 PathProgramCache]: Analyzing trace with hash -2079740642, now seen corresponding path program 2 times [2024-11-13 14:01:36,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:36,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146320331] [2024-11-13 14:01:36,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:36,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:36,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:36,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:37,405 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:37,405 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:37,405 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:37,405 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:37,405 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:01:37,405 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:37,405 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:37,405 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:37,405 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration9_Lasso [2024-11-13 14:01:37,405 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:37,405 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:37,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:37,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:37,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:37,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:37,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:37,420 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:37,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:37,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:37,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:37,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:37,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:37,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:37,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:37,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:37,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:37,969 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:37,969 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:01:37,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:37,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:37,971 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:37,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:37,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-13 14:01:37,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:37,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:37,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:37,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:37,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:37,990 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:37,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:37,991 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-13 14:01:38,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,012 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-13 14:01:38,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:38,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:38,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:38,030 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-13 14:01:38,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,043 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-13 14:01:38,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:38,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:38,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:38,058 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-11-13 14:01:38,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,072 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-13 14:01:38,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:38,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:38,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:38,086 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-11-13 14:01:38,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,106 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-13 14:01:38,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:38,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:38,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:38,120 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-13 14:01:38,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,133 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-13 14:01:38,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:38,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:38,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:38,154 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-13 14:01:38,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,175 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-13 14:01:38,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:38,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:38,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:38,195 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-13 14:01:38,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,210 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-13 14:01:38,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:38,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:38,228 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:38,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,242 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-13 14:01:38,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:38,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:38,259 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-11-13 14:01:38,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,275 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-13 14:01:38,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:38,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:38,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:38,289 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-11-13 14:01:38,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,303 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-13 14:01:38,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:38,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:38,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:38,324 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-13 14:01:38,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,344 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-13 14:01:38,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:38,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:38,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:38,364 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-13 14:01:38,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,382 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-13 14:01:38,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:38,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:38,407 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-11-13 14:01:38,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,420 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-13 14:01:38,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:38,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:38,442 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-11-13 14:01:38,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,462 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-13 14:01:38,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:38,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:38,488 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-11-13 14:01:38,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,501 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-13 14:01:38,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:38,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:38,521 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:38,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-11-13 14:01:38,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,542 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-13 14:01:38,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:38,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:38,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:38,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:38,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:38,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:38,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:38,569 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:01:38,581 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-13 14:01:38,581 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-13 14:01:38,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:38,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:38,583 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:38,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-13 14:01:38,584 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:01:38,596 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:01:38,596 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:01:38,596 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 8))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 8))_1 Supporting invariants [] [2024-11-13 14:01:38,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-13 14:01:38,631 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2024-11-13 14:01:38,633 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:01:38,633 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:01:38,633 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:01:38,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:38,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:38,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:01:38,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:38,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:38,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:38,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:38,791 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2024-11-13 14:01:38,792 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 39 transitions. cyclomatic complexity: 13 Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:38,816 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 39 transitions. cyclomatic complexity: 13. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 41 transitions. Complement of second has 4 states. [2024-11-13 14:01:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:38,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:38,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:01:38,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 25 letters. Loop has 2 letters. [2024-11-13 14:01:38,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:38,818 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:01:38,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:38,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:01:38,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:38,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:38,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:38,981 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2024-11-13 14:01:38,981 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 39 transitions. cyclomatic complexity: 13 Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:39,005 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 39 transitions. cyclomatic complexity: 13. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 41 transitions. Complement of second has 4 states. [2024-11-13 14:01:39,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:39,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:39,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:01:39,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 25 letters. Loop has 2 letters. [2024-11-13 14:01:39,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:39,007 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:01:39,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:39,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:01:39,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:39,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:39,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:39,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:39,159 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2024-11-13 14:01:39,159 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 39 transitions. cyclomatic complexity: 13 Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:39,266 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 39 transitions. cyclomatic complexity: 13. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 60 transitions. Complement of second has 12 states. [2024-11-13 14:01:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:01:39,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:39,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 38 transitions. [2024-11-13 14:01:39,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 38 transitions. Stem has 25 letters. Loop has 2 letters. [2024-11-13 14:01:39,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:39,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 38 transitions. Stem has 27 letters. Loop has 2 letters. [2024-11-13 14:01:39,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:39,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 38 transitions. Stem has 25 letters. Loop has 4 letters. [2024-11-13 14:01:39,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:39,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 60 transitions. [2024-11-13 14:01:39,269 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:39,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 42 states and 53 transitions. [2024-11-13 14:01:39,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:01:39,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:01:39,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 53 transitions. [2024-11-13 14:01:39,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:39,270 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 53 transitions. [2024-11-13 14:01:39,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 53 transitions. [2024-11-13 14:01:39,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 36. [2024-11-13 14:01:39,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.25) internal successors, (45), 35 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:39,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2024-11-13 14:01:39,272 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 45 transitions. [2024-11-13 14:01:39,272 INFO L424 stractBuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2024-11-13 14:01:39,272 INFO L331 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-13 14:01:39,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 45 transitions. [2024-11-13 14:01:39,273 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:39,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:39,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:39,274 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:39,274 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:39,274 INFO L745 eck$LassoCheckResult]: Stem: 1658#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1652#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1653#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 1660#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1654#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1648#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1649#L521 assume !(main_~val~0#1 < 0); 1664#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1650#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1651#L521 assume !(main_~val~0#1 < 0); 1646#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1647#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1662#L521 assume !(main_~val~0#1 < 0); 1663#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1661#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 1655#L519-3 main_~j~0#1 := 0; 1639#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 1640#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1667#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 1659#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1641#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 1642#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1673#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 1672#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1671#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 1670#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1668#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 1666#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1665#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 1644#L527-3 [2024-11-13 14:01:39,274 INFO L747 eck$LassoCheckResult]: Loop: 1644#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1643#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 1644#L527-3 [2024-11-13 14:01:39,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:39,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1470964529, now seen corresponding path program 6 times [2024-11-13 14:01:39,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:39,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852355488] [2024-11-13 14:01:39,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:39,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:39,458 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:39,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:39,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852355488] [2024-11-13 14:01:39,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852355488] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:01:39,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581658144] [2024-11-13 14:01:39,459 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 14:01:39,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:39,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:39,462 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:01:39,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-11-13 14:01:39,546 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-11-13 14:01:39,547 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:01:39,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 14:01:39,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:39,700 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:39,700 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:01:39,798 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:39,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581658144] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:01:39,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:01:39,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2024-11-13 14:01:39,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852034179] [2024-11-13 14:01:39,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:01:39,799 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:01:39,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:39,799 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 6 times [2024-11-13 14:01:39,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:39,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11045596] [2024-11-13 14:01:39,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:39,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:39,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:39,809 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:39,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:39,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 14:01:39,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:01:39,851 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. cyclomatic complexity: 15 Second operand has 17 states, 16 states have (on average 3.25) internal successors, (52), 17 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:39,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:39,952 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2024-11-13 14:01:39,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 72 transitions. [2024-11-13 14:01:39,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:39,953 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 41 states and 52 transitions. [2024-11-13 14:01:39,953 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:01:39,953 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:01:39,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 52 transitions. [2024-11-13 14:01:39,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:39,954 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 52 transitions. [2024-11-13 14:01:39,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 52 transitions. [2024-11-13 14:01:39,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2024-11-13 14:01:39,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 38 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:39,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2024-11-13 14:01:39,956 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2024-11-13 14:01:39,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:01:39,957 INFO L424 stractBuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2024-11-13 14:01:39,957 INFO L331 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-13 14:01:39,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 49 transitions. [2024-11-13 14:01:39,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:39,958 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:39,958 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:39,958 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:39,959 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:39,959 INFO L745 eck$LassoCheckResult]: Stem: 1938#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1933#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1934#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 1939#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1935#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1930#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1931#L521 assume !(main_~val~0#1 < 0); 1928#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1929#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1932#L521 assume !(main_~val~0#1 < 0); 1959#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1958#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1957#L521 assume !(main_~val~0#1 < 0); 1956#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1955#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1942#L521 assume !(main_~val~0#1 < 0); 1945#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1941#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 1936#L519-3 main_~j~0#1 := 0; 1921#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 1922#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1937#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 1940#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1923#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 1924#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1953#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 1952#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1951#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 1950#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1947#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 1946#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1943#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 1926#L527-3 [2024-11-13 14:01:39,959 INFO L747 eck$LassoCheckResult]: Loop: 1926#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1925#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 1926#L527-3 [2024-11-13 14:01:39,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:39,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1300227733, now seen corresponding path program 7 times [2024-11-13 14:01:39,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:39,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136443601] [2024-11-13 14:01:39,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:39,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:39,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:39,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:39,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:39,997 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 7 times [2024-11-13 14:01:39,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:39,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268433726] [2024-11-13 14:01:39,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:39,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:40,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:40,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:40,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:40,004 INFO L85 PathProgramCache]: Analyzing trace with hash -316630278, now seen corresponding path program 3 times [2024-11-13 14:01:40,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:40,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683658257] [2024-11-13 14:01:40,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:40,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:40,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:40,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:40,835 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:40,835 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:40,835 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:40,835 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:40,835 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:01:40,835 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:40,835 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:40,835 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:40,835 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration11_Lasso [2024-11-13 14:01:40,835 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:40,835 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:40,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:40,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:40,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:40,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:40,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:41,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:41,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:41,034 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:41,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:41,040 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:41,041 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:41,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:41,046 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:41,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:41,049 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:41,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:41,303 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:41,303 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:01:41,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:41,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:41,308 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:41,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-13 14:01:41,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:41,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:41,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:41,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:41,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:41,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:41,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:41,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:41,328 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:41,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2024-11-13 14:01:41,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:41,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:41,346 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:41,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-13 14:01:41,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:41,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:41,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:41,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:41,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:41,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:41,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:41,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:41,360 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:41,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:41,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:41,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:41,374 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:41,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-11-13 14:01:41,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:41,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:41,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:41,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:41,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:41,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:41,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:41,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:41,388 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:41,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:41,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:41,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:41,402 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:41,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-11-13 14:01:41,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:41,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:41,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:41,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:41,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:41,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:41,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:41,419 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:41,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-11-13 14:01:41,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:41,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:41,432 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:41,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-11-13 14:01:41,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:41,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:41,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:41,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:41,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:41,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:41,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:41,450 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:41,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-11-13 14:01:41,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:41,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:41,470 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:41,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-11-13 14:01:41,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:41,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:41,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:41,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:41,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:41,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:41,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:41,491 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:41,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-11-13 14:01:41,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:41,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:41,503 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:41,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-11-13 14:01:41,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:41,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:41,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:41,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:41,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:41,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:41,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:41,525 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:01:41,533 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-13 14:01:41,533 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-13 14:01:41,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:41,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:41,535 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:41,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-11-13 14:01:41,536 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:01:41,547 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:01:41,547 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:01:41,547 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 12)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 12)_1 Supporting invariants [] [2024-11-13 14:01:41,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2024-11-13 14:01:41,577 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2024-11-13 14:01:41,580 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:01:41,580 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:01:41,580 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:01:41,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:41,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 14:01:41,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:41,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-11-13 14:01:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:41,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:41,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:41,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:41,898 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2024-11-13 14:01:41,898 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 49 transitions. cyclomatic complexity: 16 Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:41,940 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 49 transitions. cyclomatic complexity: 16. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 51 transitions. Complement of second has 5 states. [2024-11-13 14:01:41,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:41,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:41,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-13 14:01:41,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 32 letters. Loop has 2 letters. [2024-11-13 14:01:41,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:41,943 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:01:41,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:42,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 14:01:42,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:42,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:42,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:42,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:42,223 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2024-11-13 14:01:42,224 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 49 transitions. cyclomatic complexity: 16 Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:42,264 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 49 transitions. cyclomatic complexity: 16. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 51 transitions. Complement of second has 5 states. [2024-11-13 14:01:42,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:42,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-13 14:01:42,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 32 letters. Loop has 2 letters. [2024-11-13 14:01:42,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:42,265 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:01:42,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:42,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 14:01:42,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:42,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:42,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:42,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:42,540 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2024-11-13 14:01:42,540 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 49 transitions. cyclomatic complexity: 16 Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:42,664 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 49 transitions. cyclomatic complexity: 16. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 72 transitions. Complement of second has 15 states. [2024-11-13 14:01:42,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:01:42,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:42,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 44 transitions. [2024-11-13 14:01:42,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 44 transitions. Stem has 32 letters. Loop has 2 letters. [2024-11-13 14:01:42,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:42,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 44 transitions. Stem has 34 letters. Loop has 2 letters. [2024-11-13 14:01:42,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:42,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 44 transitions. Stem has 32 letters. Loop has 4 letters. [2024-11-13 14:01:42,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:42,667 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 72 transitions. [2024-11-13 14:01:42,667 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:42,668 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 51 states and 65 transitions. [2024-11-13 14:01:42,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:01:42,668 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:01:42,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 65 transitions. [2024-11-13 14:01:42,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:42,668 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 65 transitions. [2024-11-13 14:01:42,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 65 transitions. [2024-11-13 14:01:42,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44. [2024-11-13 14:01:42,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.25) internal successors, (55), 43 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:42,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2024-11-13 14:01:42,671 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 55 transitions. [2024-11-13 14:01:42,671 INFO L424 stractBuchiCegarLoop]: Abstraction has 44 states and 55 transitions. [2024-11-13 14:01:42,671 INFO L331 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-11-13 14:01:42,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 55 transitions. [2024-11-13 14:01:42,672 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:42,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:42,672 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:42,673 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:42,673 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:42,673 INFO L745 eck$LassoCheckResult]: Stem: 2527#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2522#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2523#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 2529#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 2524#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2518#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2519#L521 assume !(main_~val~0#1 < 0); 2536#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2520#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2521#L521 assume !(main_~val~0#1 < 0); 2516#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2517#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2535#L521 assume !(main_~val~0#1 < 0); 2534#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2533#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2531#L521 assume !(main_~val~0#1 < 0); 2532#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2530#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 2525#L519-3 main_~j~0#1 := 0; 2509#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 2510#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2526#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 2528#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2511#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 2512#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2551#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 2550#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2549#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 2547#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2546#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 2545#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2544#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 2543#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2540#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 2539#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2537#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 2514#L527-3 [2024-11-13 14:01:42,673 INFO L747 eck$LassoCheckResult]: Loop: 2514#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2513#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 2514#L527-3 [2024-11-13 14:01:42,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:42,674 INFO L85 PathProgramCache]: Analyzing trace with hash 660980651, now seen corresponding path program 8 times [2024-11-13 14:01:42,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:42,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985023354] [2024-11-13 14:01:42,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:42,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:42,892 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:42,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:42,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985023354] [2024-11-13 14:01:42,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985023354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:01:42,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037989511] [2024-11-13 14:01:42,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:01:42,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:42,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:42,894 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:01:42,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-11-13 14:01:42,964 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:01:42,965 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:01:42,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:01:42,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:43,124 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:01:43,233 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:43,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037989511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:01:43,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:01:43,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2024-11-13 14:01:43,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041480975] [2024-11-13 14:01:43,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:01:43,234 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:01:43,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:43,234 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 8 times [2024-11-13 14:01:43,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:43,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208127453] [2024-11-13 14:01:43,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:43,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:43,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:43,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:43,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:43,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-13 14:01:43,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:01:43,295 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. cyclomatic complexity: 18 Second operand has 20 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 20 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:43,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:43,424 INFO L93 Difference]: Finished difference Result 71 states and 88 transitions. [2024-11-13 14:01:43,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 88 transitions. [2024-11-13 14:01:43,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:43,425 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 49 states and 62 transitions. [2024-11-13 14:01:43,426 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:01:43,426 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:01:43,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 62 transitions. [2024-11-13 14:01:43,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:43,426 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 62 transitions. [2024-11-13 14:01:43,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 62 transitions. [2024-11-13 14:01:43,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2024-11-13 14:01:43,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 46 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:43,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 59 transitions. [2024-11-13 14:01:43,429 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 59 transitions. [2024-11-13 14:01:43,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:01:43,429 INFO L424 stractBuchiCegarLoop]: Abstraction has 47 states and 59 transitions. [2024-11-13 14:01:43,430 INFO L331 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-11-13 14:01:43,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 59 transitions. [2024-11-13 14:01:43,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:43,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:43,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:43,431 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:43,431 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:43,431 INFO L745 eck$LassoCheckResult]: Stem: 2875#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2870#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2871#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 2877#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 2872#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2866#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2867#L521 assume !(main_~val~0#1 < 0); 2903#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2868#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2869#L521 assume !(main_~val~0#1 < 0); 2864#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2865#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2902#L521 assume !(main_~val~0#1 < 0); 2901#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2900#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2899#L521 assume !(main_~val~0#1 < 0); 2898#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2897#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2879#L521 assume !(main_~val~0#1 < 0); 2882#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2878#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 2873#L519-3 main_~j~0#1 := 0; 2857#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 2858#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2874#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 2876#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2859#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 2860#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2895#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 2894#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2893#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 2891#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2890#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 2889#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2888#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 2887#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2884#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 2883#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2880#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 2862#L527-3 [2024-11-13 14:01:43,431 INFO L747 eck$LassoCheckResult]: Loop: 2862#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2861#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 2862#L527-3 [2024-11-13 14:01:43,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:43,432 INFO L85 PathProgramCache]: Analyzing trace with hash 139808549, now seen corresponding path program 9 times [2024-11-13 14:01:43,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:43,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041451578] [2024-11-13 14:01:43,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:43,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:43,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:43,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:43,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:43,475 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 9 times [2024-11-13 14:01:43,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:43,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114701617] [2024-11-13 14:01:43,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:43,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:43,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:43,482 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:43,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:43,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1212030858, now seen corresponding path program 4 times [2024-11-13 14:01:43,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:43,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020648617] [2024-11-13 14:01:43,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:43,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:43,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:43,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:44,737 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:44,737 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:44,737 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:44,737 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:44,737 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:01:44,737 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:44,737 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:44,737 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:44,737 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration13_Lasso [2024-11-13 14:01:44,737 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:44,737 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:44,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:44,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:44,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:44,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:44,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:44,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:44,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:44,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:44,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:44,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:44,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:44,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:44,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:44,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:44,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:44,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:45,212 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:45,213 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:01:45,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:45,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:45,215 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:45,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-11-13 14:01:45,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:45,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:45,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:45,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:45,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:45,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:45,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:45,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:45,230 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:45,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-11-13 14:01:45,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:45,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:45,243 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:45,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-11-13 14:01:45,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:45,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:45,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:45,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:45,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:45,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:45,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:45,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:45,257 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:45,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2024-11-13 14:01:45,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:45,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:45,271 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:45,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-11-13 14:01:45,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:45,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:45,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:45,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:45,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:45,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:45,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:45,288 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:45,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2024-11-13 14:01:45,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:45,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:45,301 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:45,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-11-13 14:01:45,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:45,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:45,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:45,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:45,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:45,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:45,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:45,321 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:45,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:45,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:45,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:45,334 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:45,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-11-13 14:01:45,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:45,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:45,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:45,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:45,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:45,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:45,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:45,360 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:45,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2024-11-13 14:01:45,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:45,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:45,373 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:45,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-11-13 14:01:45,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:45,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:45,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:45,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:45,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:45,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:45,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:45,390 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:45,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2024-11-13 14:01:45,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:45,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:45,422 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:45,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-11-13 14:01:45,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:45,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:45,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:45,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:45,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:45,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:45,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:45,440 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:45,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-11-13 14:01:45,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:45,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:45,453 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:45,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-11-13 14:01:45,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:45,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:45,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:45,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:45,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:45,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:45,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:45,475 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:01:45,483 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-13 14:01:45,483 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-11-13 14:01:45,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:45,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:45,485 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:45,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-11-13 14:01:45,486 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:01:45,497 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:01:45,498 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:01:45,498 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 16 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 16 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2024-11-13 14:01:45,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2024-11-13 14:01:45,539 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2024-11-13 14:01:45,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:01:45,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:01:45,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:01:45,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:45,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:01:45,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:45,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:45,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:45,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:45,747 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2024-11-13 14:01:45,748 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 59 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:45,772 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 47 states and 59 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 61 transitions. Complement of second has 4 states. [2024-11-13 14:01:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:01:45,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 39 letters. Loop has 2 letters. [2024-11-13 14:01:45,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:45,774 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:01:45,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:45,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:01:45,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:45,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:45,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:45,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:45,960 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2024-11-13 14:01:45,960 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 59 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:45,986 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 47 states and 59 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 61 transitions. Complement of second has 4 states. [2024-11-13 14:01:45,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:45,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:45,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:01:45,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 39 letters. Loop has 2 letters. [2024-11-13 14:01:45,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:45,989 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:01:46,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:46,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:01:46,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:46,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2024-11-13 14:01:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:46,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:46,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:46,198 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2024-11-13 14:01:46,198 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 59 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:46,335 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 47 states and 59 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 84 transitions. Complement of second has 16 states. [2024-11-13 14:01:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:01:46,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:46,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 50 transitions. [2024-11-13 14:01:46,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 50 transitions. Stem has 39 letters. Loop has 2 letters. [2024-11-13 14:01:46,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:46,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 50 transitions. Stem has 41 letters. Loop has 2 letters. [2024-11-13 14:01:46,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:46,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 50 transitions. Stem has 39 letters. Loop has 4 letters. [2024-11-13 14:01:46,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:46,337 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 84 transitions. [2024-11-13 14:01:46,338 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:46,338 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 60 states and 77 transitions. [2024-11-13 14:01:46,339 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:01:46,339 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:01:46,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 77 transitions. [2024-11-13 14:01:46,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:46,339 INFO L218 hiAutomatonCegarLoop]: Abstraction has 60 states and 77 transitions. [2024-11-13 14:01:46,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 77 transitions. [2024-11-13 14:01:46,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 52. [2024-11-13 14:01:46,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.25) internal successors, (65), 51 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:46,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 65 transitions. [2024-11-13 14:01:46,343 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 65 transitions. [2024-11-13 14:01:46,343 INFO L424 stractBuchiCegarLoop]: Abstraction has 52 states and 65 transitions. [2024-11-13 14:01:46,343 INFO L331 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2024-11-13 14:01:46,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 65 transitions. [2024-11-13 14:01:46,343 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:46,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:46,343 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:46,344 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:46,344 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:46,345 INFO L745 eck$LassoCheckResult]: Stem: 3557#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3552#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3553#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 3560#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 3554#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3548#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3549#L521 assume !(main_~val~0#1 < 0); 3570#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3550#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3551#L521 assume !(main_~val~0#1 < 0); 3546#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3547#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3569#L521 assume !(main_~val~0#1 < 0); 3568#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3567#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3566#L521 assume !(main_~val~0#1 < 0); 3565#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3564#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3562#L521 assume !(main_~val~0#1 < 0); 3563#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3561#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 3555#L519-3 main_~j~0#1 := 0; 3539#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 3540#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3589#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3588#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3541#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 3542#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3556#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3558#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3559#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 3586#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3585#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3584#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3583#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 3581#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3580#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3579#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3578#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 3577#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3574#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3573#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3571#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 3544#L527-3 [2024-11-13 14:01:46,345 INFO L747 eck$LassoCheckResult]: Loop: 3544#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3543#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 3544#L527-3 [2024-11-13 14:01:46,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:46,346 INFO L85 PathProgramCache]: Analyzing trace with hash 825517115, now seen corresponding path program 10 times [2024-11-13 14:01:46,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:46,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919704001] [2024-11-13 14:01:46,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:46,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 28 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:46,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:46,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919704001] [2024-11-13 14:01:46,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919704001] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:01:46,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677035109] [2024-11-13 14:01:46,596 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 14:01:46,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:46,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:46,598 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:01:46,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2024-11-13 14:01:46,671 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 14:01:46,672 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:01:46,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 14:01:46,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 45 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:46,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:01:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 45 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:47,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677035109] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:01:47,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:01:47,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 22 [2024-11-13 14:01:47,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637355769] [2024-11-13 14:01:47,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:01:47,053 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:01:47,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:47,053 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 10 times [2024-11-13 14:01:47,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:47,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167575656] [2024-11-13 14:01:47,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:47,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:47,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:47,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:47,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:47,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 14:01:47,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:01:47,109 INFO L87 Difference]: Start difference. First operand 52 states and 65 transitions. cyclomatic complexity: 21 Second operand has 23 states, 22 states have (on average 3.3636363636363638) internal successors, (74), 23 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:47,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:47,264 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2024-11-13 14:01:47,264 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 104 transitions. [2024-11-13 14:01:47,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:47,266 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 57 states and 72 transitions. [2024-11-13 14:01:47,266 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:01:47,266 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:01:47,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 72 transitions. [2024-11-13 14:01:47,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:47,267 INFO L218 hiAutomatonCegarLoop]: Abstraction has 57 states and 72 transitions. [2024-11-13 14:01:47,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 72 transitions. [2024-11-13 14:01:47,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2024-11-13 14:01:47,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.2545454545454546) internal successors, (69), 54 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:47,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2024-11-13 14:01:47,274 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 69 transitions. [2024-11-13 14:01:47,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 14:01:47,275 INFO L424 stractBuchiCegarLoop]: Abstraction has 55 states and 69 transitions. [2024-11-13 14:01:47,275 INFO L331 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2024-11-13 14:01:47,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 69 transitions. [2024-11-13 14:01:47,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:47,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:47,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:47,279 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:47,279 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:47,279 INFO L745 eck$LassoCheckResult]: Stem: 3971#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3966#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3967#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 3972#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 3968#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3962#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3963#L521 assume !(main_~val~0#1 < 0); 4007#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3964#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3965#L521 assume !(main_~val~0#1 < 0); 3960#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3961#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4006#L521 assume !(main_~val~0#1 < 0); 4005#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4004#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4003#L521 assume !(main_~val~0#1 < 0); 4002#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4001#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4000#L521 assume !(main_~val~0#1 < 0); 3999#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3998#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3976#L521 assume !(main_~val~0#1 < 0); 3979#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3975#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 3969#L519-3 main_~j~0#1 := 0; 3953#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 3954#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3970#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3995#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3955#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 3956#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3996#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3973#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3974#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 3993#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3992#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3991#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3990#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 3988#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3987#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3986#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3985#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 3984#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3981#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3980#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3977#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 3958#L527-3 [2024-11-13 14:01:47,279 INFO L747 eck$LassoCheckResult]: Loop: 3958#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3957#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 3958#L527-3 [2024-11-13 14:01:47,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:47,279 INFO L85 PathProgramCache]: Analyzing trace with hash -99492991, now seen corresponding path program 11 times [2024-11-13 14:01:47,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:47,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187014950] [2024-11-13 14:01:47,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:47,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:47,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:47,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:47,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:47,342 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 11 times [2024-11-13 14:01:47,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:47,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750768265] [2024-11-13 14:01:47,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:47,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:47,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:47,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:47,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:47,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1123482394, now seen corresponding path program 5 times [2024-11-13 14:01:47,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:47,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284659184] [2024-11-13 14:01:47,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:47,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:47,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:47,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:50,407 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:50,407 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:50,407 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:50,408 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:50,408 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:01:50,408 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:50,408 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:50,408 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:50,408 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration15_Lasso [2024-11-13 14:01:50,408 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:50,408 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:50,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:50,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:50,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:50,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:50,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:50,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:50,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:50,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:50,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:50,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:50,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:50,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:50,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:50,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:51,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:51,627 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:51,627 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:01:51,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:51,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:51,630 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:51,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2024-11-13 14:01:51,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:51,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:51,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:51,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:51,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:51,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:51,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:51,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:51,645 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:51,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2024-11-13 14:01:51,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:51,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:51,659 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:51,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2024-11-13 14:01:51,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:51,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:51,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:51,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:51,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:51,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:51,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:51,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:51,673 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:51,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2024-11-13 14:01:51,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:51,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:51,687 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:51,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2024-11-13 14:01:51,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:51,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:51,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:51,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:51,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:51,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:51,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:51,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:51,701 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:51,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2024-11-13 14:01:51,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:51,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:51,714 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:51,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2024-11-13 14:01:51,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:51,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:51,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:51,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:51,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:51,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:51,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:51,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:51,728 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:51,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2024-11-13 14:01:51,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:51,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:51,743 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:51,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2024-11-13 14:01:51,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:51,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:51,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:51,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:51,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:51,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:51,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:51,760 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:51,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2024-11-13 14:01:51,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:51,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:51,773 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:51,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2024-11-13 14:01:51,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:51,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:51,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:51,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:51,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:51,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:51,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:51,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:51,790 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:51,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2024-11-13 14:01:51,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:51,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:51,807 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:51,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2024-11-13 14:01:51,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:51,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:51,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:51,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:51,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:51,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:51,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:51,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:51,821 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:51,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2024-11-13 14:01:51,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:51,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:51,835 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:51,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2024-11-13 14:01:51,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:51,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:51,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:51,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:51,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:51,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:51,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:51,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:51,849 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:51,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2024-11-13 14:01:51,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:51,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:51,862 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:51,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2024-11-13 14:01:51,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:51,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:51,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:51,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:51,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:51,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:51,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:51,879 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:51,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2024-11-13 14:01:51,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:51,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:51,892 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:51,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2024-11-13 14:01:51,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:51,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:51,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:51,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:51,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:51,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:51,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:51,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:51,907 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:51,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:51,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:51,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:51,923 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:51,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2024-11-13 14:01:51,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:51,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:51,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:51,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:51,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:51,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:51,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:51,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:51,937 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:51,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2024-11-13 14:01:51,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:51,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:51,950 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:51,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2024-11-13 14:01:51,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:51,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:51,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:51,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:51,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:51,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:51,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:51,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:51,964 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:51,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2024-11-13 14:01:51,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:51,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:51,978 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:51,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2024-11-13 14:01:51,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:51,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:51,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:51,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:51,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:51,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:51,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:51,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:51,992 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:52,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2024-11-13 14:01:52,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:52,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:52,005 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:52,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2024-11-13 14:01:52,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:52,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:52,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:52,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:52,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:52,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:52,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:52,046 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:52,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2024-11-13 14:01:52,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:52,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:52,087 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:52,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2024-11-13 14:01:52,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:52,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:52,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:52,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:52,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:52,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:52,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:52,127 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:01:52,139 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-13 14:01:52,139 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-13 14:01:52,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:52,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:52,142 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:52,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2024-11-13 14:01:52,144 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:01:52,159 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:01:52,159 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:01:52,159 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 20))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 20))_1 Supporting invariants [] [2024-11-13 14:01:52,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2024-11-13 14:01:52,242 INFO L156 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2024-11-13 14:01:52,244 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:01:52,244 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:01:52,244 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:01:52,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2024-11-13 14:01:52,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 14:01:52,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:52,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:52,494 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2024-11-13 14:01:52,495 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 69 transitions. cyclomatic complexity: 22 Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:52,517 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 69 transitions. cyclomatic complexity: 22. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 71 transitions. Complement of second has 4 states. [2024-11-13 14:01:52,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:52,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:52,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:01:52,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 46 letters. Loop has 2 letters. [2024-11-13 14:01:52,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:52,518 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:01:52,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 14:01:52,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:52,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:52,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:52,748 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.7 stem predicates 2 loop predicates [2024-11-13 14:01:52,749 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 69 transitions. cyclomatic complexity: 22 Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:52,774 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 69 transitions. cyclomatic complexity: 22. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 71 transitions. Complement of second has 4 states. [2024-11-13 14:01:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:52,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:52,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:01:52,775 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 46 letters. Loop has 2 letters. [2024-11-13 14:01:52,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:52,775 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:01:52,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:52,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 14:01:52,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:53,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:01:53,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:53,023 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2024-11-13 14:01:53,023 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 69 transitions. cyclomatic complexity: 22 Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:53,170 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 69 transitions. cyclomatic complexity: 22. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 74 states and 96 transitions. Complement of second has 18 states. [2024-11-13 14:01:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 7 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:01:53,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:53,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 56 transitions. [2024-11-13 14:01:53,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 46 letters. Loop has 2 letters. [2024-11-13 14:01:53,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:53,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 48 letters. Loop has 2 letters. [2024-11-13 14:01:53,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:53,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 46 letters. Loop has 4 letters. [2024-11-13 14:01:53,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:53,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 96 transitions. [2024-11-13 14:01:53,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:53,173 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 69 states and 89 transitions. [2024-11-13 14:01:53,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:01:53,174 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:01:53,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 89 transitions. [2024-11-13 14:01:53,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:53,174 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69 states and 89 transitions. [2024-11-13 14:01:53,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 89 transitions. [2024-11-13 14:01:53,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 60. [2024-11-13 14:01:53,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.25) internal successors, (75), 59 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2024-11-13 14:01:53,177 INFO L240 hiAutomatonCegarLoop]: Abstraction has 60 states and 75 transitions. [2024-11-13 14:01:53,177 INFO L424 stractBuchiCegarLoop]: Abstraction has 60 states and 75 transitions. [2024-11-13 14:01:53,177 INFO L331 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2024-11-13 14:01:53,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 75 transitions. [2024-11-13 14:01:53,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:53,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:53,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:53,178 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:53,179 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:53,179 INFO L745 eck$LassoCheckResult]: Stem: 4779#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4774#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 4775#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 4782#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 4776#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 4770#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4771#L521 assume !(main_~val~0#1 < 0); 4795#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4772#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4773#L521 assume !(main_~val~0#1 < 0); 4768#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4769#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4794#L521 assume !(main_~val~0#1 < 0); 4793#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4792#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4791#L521 assume !(main_~val~0#1 < 0); 4790#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4789#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4788#L521 assume !(main_~val~0#1 < 0); 4787#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4786#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4784#L521 assume !(main_~val~0#1 < 0); 4785#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4783#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 4777#L519-3 main_~j~0#1 := 0; 4761#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 4762#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4819#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 4818#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4763#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 4764#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4778#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 4780#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4781#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 4816#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4815#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 4814#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4813#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 4811#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4810#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 4809#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4808#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 4806#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4805#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 4804#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4803#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 4802#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4799#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 4798#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4796#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 4766#L527-3 [2024-11-13 14:01:53,179 INFO L747 eck$LassoCheckResult]: Loop: 4766#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4765#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 4766#L527-3 [2024-11-13 14:01:53,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:53,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1629789545, now seen corresponding path program 12 times [2024-11-13 14:01:53,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:53,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818535505] [2024-11-13 14:01:53,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:53,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:53,490 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:53,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:53,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818535505] [2024-11-13 14:01:53,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818535505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:01:53,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131491860] [2024-11-13 14:01:53,491 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 14:01:53,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:01:53,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:53,493 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:01:53,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (99)] Waiting until timeout for monitored process [2024-11-13 14:01:53,621 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-13 14:01:53,622 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:01:53,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 14:01:53,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:53,898 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 66 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:53,898 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:01:54,088 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 66 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:54,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131491860] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:01:54,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:01:54,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 25 [2024-11-13 14:01:54,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129124532] [2024-11-13 14:01:54,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:01:54,089 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:01:54,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:54,089 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 12 times [2024-11-13 14:01:54,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:54,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857496813] [2024-11-13 14:01:54,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:54,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:54,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:54,097 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:54,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:54,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 14:01:54,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2024-11-13 14:01:54,141 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. cyclomatic complexity: 24 Second operand has 26 states, 25 states have (on average 3.4) internal successors, (85), 26 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:54,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:54,307 INFO L93 Difference]: Finished difference Result 97 states and 120 transitions. [2024-11-13 14:01:54,307 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 120 transitions. [2024-11-13 14:01:54,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:54,309 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 65 states and 82 transitions. [2024-11-13 14:01:54,309 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:01:54,310 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:01:54,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 82 transitions. [2024-11-13 14:01:54,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:54,310 INFO L218 hiAutomatonCegarLoop]: Abstraction has 65 states and 82 transitions. [2024-11-13 14:01:54,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 82 transitions. [2024-11-13 14:01:54,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2024-11-13 14:01:54,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.253968253968254) internal successors, (79), 62 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:54,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2024-11-13 14:01:54,313 INFO L240 hiAutomatonCegarLoop]: Abstraction has 63 states and 79 transitions. [2024-11-13 14:01:54,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 14:01:54,314 INFO L424 stractBuchiCegarLoop]: Abstraction has 63 states and 79 transitions. [2024-11-13 14:01:54,314 INFO L331 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2024-11-13 14:01:54,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 79 transitions. [2024-11-13 14:01:54,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:54,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:54,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:54,315 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:01:54,316 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:54,316 INFO L745 eck$LassoCheckResult]: Stem: 5259#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5254#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 5255#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 5260#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 5256#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 5250#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5251#L521 assume !(main_~val~0#1 < 0); 5303#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5252#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5253#L521 assume !(main_~val~0#1 < 0); 5248#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5249#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5302#L521 assume !(main_~val~0#1 < 0); 5301#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5300#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5299#L521 assume !(main_~val~0#1 < 0); 5298#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5297#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5296#L521 assume !(main_~val~0#1 < 0); 5295#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5294#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5293#L521 assume !(main_~val~0#1 < 0); 5292#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5291#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5264#L521 assume !(main_~val~0#1 < 0); 5267#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5263#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 5257#L519-3 main_~j~0#1 := 0; 5241#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 5242#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5258#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5288#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5243#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 5244#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5289#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5261#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5262#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 5286#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5285#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5284#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5283#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 5281#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5280#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5279#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5278#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 5276#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5275#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5274#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5273#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 5272#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5269#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 5268#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5265#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 5246#L527-3 [2024-11-13 14:01:54,316 INFO L747 eck$LassoCheckResult]: Loop: 5246#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5245#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 5246#L527-3 [2024-11-13 14:01:54,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:54,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1496559471, now seen corresponding path program 13 times [2024-11-13 14:01:54,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:54,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168439774] [2024-11-13 14:01:54,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:54,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:54,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:54,394 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:54,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:54,395 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 13 times [2024-11-13 14:01:54,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:54,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321397751] [2024-11-13 14:01:54,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:54,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:54,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:54,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:54,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:54,406 INFO L85 PathProgramCache]: Analyzing trace with hash 620393974, now seen corresponding path program 6 times [2024-11-13 14:01:54,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:54,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644576973] [2024-11-13 14:01:54,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:54,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:54,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:54,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:59,282 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:59,282 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:59,282 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:59,282 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:59,282 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:01:59,283 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:59,283 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:59,283 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:59,283 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration17_Lasso [2024-11-13 14:01:59,283 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:59,283 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:59,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:59,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:59,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:59,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:59,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:59,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:59,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:59,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:59,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:59,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:59,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:59,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:00,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:00,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:00,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:01,024 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:02:01,025 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:02:01,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,026 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2024-11-13 14:02:01,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:01,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:01,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:01,042 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2024-11-13 14:02:01,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,057 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2024-11-13 14:02:01,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:01,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:01,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:01,070 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:01,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,089 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2024-11-13 14:02:01,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:01,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:01,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:01,103 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2024-11-13 14:02:01,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,116 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2024-11-13 14:02:01,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:01,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:01,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:01,133 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2024-11-13 14:02:01,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,153 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2024-11-13 14:02:01,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:01,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:01,176 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2024-11-13 14:02:01,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,190 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2024-11-13 14:02:01,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:01,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:01,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:01,204 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2024-11-13 14:02:01,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,217 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2024-11-13 14:02:01,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:01,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:01,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:01,231 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2024-11-13 14:02:01,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,244 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2024-11-13 14:02:01,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:01,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:01,261 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:01,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,274 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2024-11-13 14:02:01,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:01,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:01,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:01,288 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2024-11-13 14:02:01,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,301 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2024-11-13 14:02:01,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:01,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:01,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:01,315 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:01,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,330 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2024-11-13 14:02:01,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:01,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:01,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:01,344 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:01,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,359 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2024-11-13 14:02:01,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:01,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:01,379 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2024-11-13 14:02:01,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,391 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2024-11-13 14:02:01,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:01,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:01,413 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2024-11-13 14:02:01,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,427 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2024-11-13 14:02:01,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:01,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:01,446 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:01,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,459 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2024-11-13 14:02:01,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:01,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:01,478 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2024-11-13 14:02:01,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,491 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2024-11-13 14:02:01,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:01,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:01,511 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2024-11-13 14:02:01,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,524 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2024-11-13 14:02:01,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:01,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:01,541 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2024-11-13 14:02:01,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,554 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2024-11-13 14:02:01,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:01,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:01,571 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:01,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,584 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2024-11-13 14:02:01,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:01,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:01,606 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:01,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:01,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,619 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2024-11-13 14:02:01,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:01,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:01,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:01,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:01,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:01,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:01,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:01,640 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:02:01,648 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-13 14:02:01,648 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-13 14:02:01,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:01,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:01,650 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:01,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2024-11-13 14:02:01,653 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:02:01,666 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:02:01,667 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:02:01,667 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 24))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 24))_1 Supporting invariants [] [2024-11-13 14:02:01,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2024-11-13 14:02:01,743 INFO L156 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2024-11-13 14:02:01,745 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:02:01,745 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:02:01,745 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:02:01,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:01,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 14:02:01,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:01,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2024-11-13 14:02:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:02,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:02:02,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:02,026 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2024-11-13 14:02:02,026 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states and 79 transitions. cyclomatic complexity: 25 Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:02,053 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states and 79 transitions. cyclomatic complexity: 25. Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 64 states and 81 transitions. Complement of second has 4 states. [2024-11-13 14:02:02,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:02:02,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:02,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:02:02,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 53 letters. Loop has 2 letters. [2024-11-13 14:02:02,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:02,054 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:02:02,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:02,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 14:02:02,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:02,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:02:02,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:02,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:02,339 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2024-11-13 14:02:02,339 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states and 79 transitions. cyclomatic complexity: 25 Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:02,362 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states and 79 transitions. cyclomatic complexity: 25. Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 64 states and 81 transitions. Complement of second has 4 states. [2024-11-13 14:02:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:02:02,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:02,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:02:02,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 53 letters. Loop has 2 letters. [2024-11-13 14:02:02,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:02,364 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:02:02,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:02,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 14:02:02,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:02,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:02:02,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:02,608 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2024-11-13 14:02:02,608 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states and 79 transitions. cyclomatic complexity: 25 Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:02,789 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states and 79 transitions. cyclomatic complexity: 25. Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 83 states and 108 transitions. Complement of second has 20 states. [2024-11-13 14:02:02,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:02:02,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:02,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 62 transitions. [2024-11-13 14:02:02,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 62 transitions. Stem has 53 letters. Loop has 2 letters. [2024-11-13 14:02:02,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:02,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 62 transitions. Stem has 55 letters. Loop has 2 letters. [2024-11-13 14:02:02,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:02,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 62 transitions. Stem has 53 letters. Loop has 4 letters. [2024-11-13 14:02:02,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:02,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 108 transitions. [2024-11-13 14:02:02,792 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:02,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 78 states and 101 transitions. [2024-11-13 14:02:02,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:02:02,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:02:02,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 101 transitions. [2024-11-13 14:02:02,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:02:02,793 INFO L218 hiAutomatonCegarLoop]: Abstraction has 78 states and 101 transitions. [2024-11-13 14:02:02,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 101 transitions. [2024-11-13 14:02:02,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 68. [2024-11-13 14:02:02,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.25) internal successors, (85), 67 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2024-11-13 14:02:02,795 INFO L240 hiAutomatonCegarLoop]: Abstraction has 68 states and 85 transitions. [2024-11-13 14:02:02,796 INFO L424 stractBuchiCegarLoop]: Abstraction has 68 states and 85 transitions. [2024-11-13 14:02:02,796 INFO L331 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2024-11-13 14:02:02,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 85 transitions. [2024-11-13 14:02:02,796 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:02,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:02:02,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:02:02,797 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:02,797 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:02:02,797 INFO L745 eck$LassoCheckResult]: Stem: 6177#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6172#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 6173#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 6180#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 6174#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 6168#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6169#L521 assume !(main_~val~0#1 < 0); 6196#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6170#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6171#L521 assume !(main_~val~0#1 < 0); 6166#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6167#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6195#L521 assume !(main_~val~0#1 < 0); 6194#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6193#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6192#L521 assume !(main_~val~0#1 < 0); 6191#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6190#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6189#L521 assume !(main_~val~0#1 < 0); 6188#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6187#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6186#L521 assume !(main_~val~0#1 < 0); 6185#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6184#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6182#L521 assume !(main_~val~0#1 < 0); 6183#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6181#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 6175#L519-3 main_~j~0#1 := 0; 6159#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6160#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6225#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 6224#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6161#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6162#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6176#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 6178#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6179#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6222#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6221#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 6220#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6219#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6217#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6216#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 6215#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6214#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6212#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6211#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 6210#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6209#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6207#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6206#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 6205#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6204#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6203#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6200#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 6199#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6197#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6164#L527-3 [2024-11-13 14:02:02,797 INFO L747 eck$LassoCheckResult]: Loop: 6164#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6163#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 6164#L527-3 [2024-11-13 14:02:02,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:02,798 INFO L85 PathProgramCache]: Analyzing trace with hash -801845337, now seen corresponding path program 14 times [2024-11-13 14:02:02,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:02,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583830565] [2024-11-13 14:02:02,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:02,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:03,170 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 66 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:03,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:03,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583830565] [2024-11-13 14:02:03,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583830565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:02:03,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524989323] [2024-11-13 14:02:03,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:02:03,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:02:03,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:03,173 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:02:03,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (121)] Waiting until timeout for monitored process [2024-11-13 14:02:03,267 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:02:03,267 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:02:03,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 14:02:03,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:03,535 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 91 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:03,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:02:03,733 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 91 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:03,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524989323] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:02:03,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:02:03,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 28 [2024-11-13 14:02:03,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905133809] [2024-11-13 14:02:03,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:02:03,734 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:02:03,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:03,734 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 14 times [2024-11-13 14:02:03,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:03,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585893563] [2024-11-13 14:02:03,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:03,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:03,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:03,743 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:03,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:03,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-13 14:02:03,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2024-11-13 14:02:03,787 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. cyclomatic complexity: 27 Second operand has 29 states, 28 states have (on average 3.4285714285714284) internal successors, (96), 29 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:04,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:04,036 INFO L93 Difference]: Finished difference Result 110 states and 136 transitions. [2024-11-13 14:02:04,036 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 110 states and 136 transitions. [2024-11-13 14:02:04,037 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:04,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 110 states to 73 states and 92 transitions. [2024-11-13 14:02:04,038 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:02:04,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:02:04,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 92 transitions. [2024-11-13 14:02:04,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:02:04,038 INFO L218 hiAutomatonCegarLoop]: Abstraction has 73 states and 92 transitions. [2024-11-13 14:02:04,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 92 transitions. [2024-11-13 14:02:04,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2024-11-13 14:02:04,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 71 states have (on average 1.2535211267605635) internal successors, (89), 70 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:04,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 89 transitions. [2024-11-13 14:02:04,040 INFO L240 hiAutomatonCegarLoop]: Abstraction has 71 states and 89 transitions. [2024-11-13 14:02:04,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 14:02:04,041 INFO L424 stractBuchiCegarLoop]: Abstraction has 71 states and 89 transitions. [2024-11-13 14:02:04,041 INFO L331 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2024-11-13 14:02:04,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 89 transitions. [2024-11-13 14:02:04,042 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:04,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:02:04,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:02:04,043 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 8, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:04,043 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:02:04,043 INFO L745 eck$LassoCheckResult]: Stem: 6723#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6718#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 6719#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 6726#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 6720#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 6714#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6715#L521 assume !(main_~val~0#1 < 0); 6775#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6716#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6717#L521 assume !(main_~val~0#1 < 0); 6712#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6713#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6774#L521 assume !(main_~val~0#1 < 0); 6773#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6772#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6771#L521 assume !(main_~val~0#1 < 0); 6770#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6769#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6768#L521 assume !(main_~val~0#1 < 0); 6767#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6766#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6765#L521 assume !(main_~val~0#1 < 0); 6764#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6763#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6762#L521 assume !(main_~val~0#1 < 0); 6761#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6760#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6728#L521 assume !(main_~val~0#1 < 0); 6731#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6727#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 6721#L519-3 main_~j~0#1 := 0; 6705#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6706#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6722#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 6757#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6707#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6708#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6758#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 6724#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6725#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6755#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6754#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 6753#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6752#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6750#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6749#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 6748#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6747#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6745#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6744#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 6743#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6742#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6740#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6739#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 6738#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6737#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6736#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6733#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 6732#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6729#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 6710#L527-3 [2024-11-13 14:02:04,043 INFO L747 eck$LassoCheckResult]: Loop: 6710#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6709#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 6710#L527-3 [2024-11-13 14:02:04,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:04,044 INFO L85 PathProgramCache]: Analyzing trace with hash -491449235, now seen corresponding path program 15 times [2024-11-13 14:02:04,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:04,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328900759] [2024-11-13 14:02:04,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:04,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:04,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:04,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:04,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:04,093 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 15 times [2024-11-13 14:02:04,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:04,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099843120] [2024-11-13 14:02:04,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:04,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:04,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:04,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:04,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:04,100 INFO L85 PathProgramCache]: Analyzing trace with hash 163689170, now seen corresponding path program 7 times [2024-11-13 14:02:04,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:04,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385433114] [2024-11-13 14:02:04,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:04,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:04,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:04,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:07,433 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:02:07,433 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:02:07,433 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:02:07,433 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:02:07,433 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:02:07,433 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:07,433 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:02:07,433 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:02:07,433 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration19_Lasso [2024-11-13 14:02:07,433 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:02:07,433 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:02:07,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:07,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:07,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:07,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:07,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:07,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:07,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:07,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:07,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:07,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:07,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:07,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:07,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:07,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:07,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:07,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:08,035 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:02:08,035 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:02:08,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:08,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:08,037 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:08,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2024-11-13 14:02:08,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:08,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:08,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:08,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:08,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:08,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:08,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:08,054 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:08,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:08,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:08,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:08,068 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:08,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2024-11-13 14:02:08,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:08,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:08,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:08,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:08,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:08,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:08,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:08,085 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:08,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:08,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:08,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:08,098 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:08,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2024-11-13 14:02:08,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:08,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:08,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:08,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:08,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:08,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:08,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:08,115 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:08,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2024-11-13 14:02:08,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:08,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:08,128 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:08,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2024-11-13 14:02:08,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:08,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:08,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:08,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:08,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:08,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:08,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:08,145 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:08,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:08,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:08,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:08,158 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:08,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2024-11-13 14:02:08,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:08,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:08,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:08,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:08,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:08,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:08,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:08,180 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:08,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2024-11-13 14:02:08,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:08,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:08,194 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:08,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2024-11-13 14:02:08,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:08,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:08,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:08,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:08,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:08,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:08,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:08,211 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:08,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:08,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:08,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:08,226 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:08,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2024-11-13 14:02:08,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:08,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:08,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:08,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:08,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:08,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:08,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:08,246 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:08,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2024-11-13 14:02:08,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:08,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:08,259 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:08,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2024-11-13 14:02:08,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:08,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:08,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:08,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:08,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:08,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:08,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:08,276 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:08,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:08,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:08,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:08,288 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:08,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2024-11-13 14:02:08,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:08,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:08,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:08,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:08,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:08,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:08,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:08,308 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:08,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2024-11-13 14:02:08,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:08,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:08,321 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:08,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2024-11-13 14:02:08,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:08,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:08,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:08,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:08,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:08,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:08,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:08,342 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:08,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:08,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:08,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:08,354 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:08,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2024-11-13 14:02:08,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:08,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:08,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:08,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:08,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:08,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:08,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:08,371 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:08,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:08,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:08,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:08,384 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:08,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2024-11-13 14:02:08,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:08,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:08,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:08,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:08,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:08,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:08,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:08,402 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:08,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2024-11-13 14:02:08,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:08,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:08,415 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:08,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2024-11-13 14:02:08,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:08,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:08,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:08,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:08,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:08,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:08,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:08,435 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:02:08,443 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-13 14:02:08,443 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-13 14:02:08,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:08,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:08,448 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:08,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2024-11-13 14:02:08,449 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:02:08,467 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:02:08,468 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:02:08,468 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 28)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 28)_1 Supporting invariants [] [2024-11-13 14:02:08,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2024-11-13 14:02:08,504 INFO L156 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2024-11-13 14:02:08,506 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:02:08,506 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:02:08,506 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:02:08,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:08,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 14:02:08,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:08,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:08,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:02:08,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:08,941 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.10 stem predicates 2 loop predicates [2024-11-13 14:02:08,942 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 71 states and 89 transitions. cyclomatic complexity: 28 Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:08,985 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 71 states and 89 transitions. cyclomatic complexity: 28. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 72 states and 91 transitions. Complement of second has 5 states. [2024-11-13 14:02:08,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:02:08,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-13 14:02:08,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 60 letters. Loop has 2 letters. [2024-11-13 14:02:08,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:08,986 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:02:09,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 14:02:09,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:02:09,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:09,405 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.10 stem predicates 2 loop predicates [2024-11-13 14:02:09,405 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 71 states and 89 transitions. cyclomatic complexity: 28 Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:09,461 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 71 states and 89 transitions. cyclomatic complexity: 28. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 72 states and 91 transitions. Complement of second has 5 states. [2024-11-13 14:02:09,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:02:09,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:09,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-13 14:02:09,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 60 letters. Loop has 2 letters. [2024-11-13 14:02:09,463 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:09,463 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:02:09,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 14:02:09,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:09,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:02:09,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:09,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:09,985 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.10 stem predicates 2 loop predicates [2024-11-13 14:02:09,985 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 71 states and 89 transitions. cyclomatic complexity: 28 Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:10,217 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 71 states and 89 transitions. cyclomatic complexity: 28. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 92 states and 120 transitions. Complement of second has 23 states. [2024-11-13 14:02:10,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 10 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:02:10,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:10,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 68 transitions. [2024-11-13 14:02:10,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 68 transitions. Stem has 60 letters. Loop has 2 letters. [2024-11-13 14:02:10,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:10,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 68 transitions. Stem has 62 letters. Loop has 2 letters. [2024-11-13 14:02:10,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:10,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 68 transitions. Stem has 60 letters. Loop has 4 letters. [2024-11-13 14:02:10,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:10,219 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 120 transitions. [2024-11-13 14:02:10,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:10,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 87 states and 113 transitions. [2024-11-13 14:02:10,220 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:02:10,220 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:02:10,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 113 transitions. [2024-11-13 14:02:10,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:02:10,221 INFO L218 hiAutomatonCegarLoop]: Abstraction has 87 states and 113 transitions. [2024-11-13 14:02:10,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 113 transitions. [2024-11-13 14:02:10,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 76. [2024-11-13 14:02:10,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 76 states have (on average 1.25) internal successors, (95), 75 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:10,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 95 transitions. [2024-11-13 14:02:10,228 INFO L240 hiAutomatonCegarLoop]: Abstraction has 76 states and 95 transitions. [2024-11-13 14:02:10,228 INFO L424 stractBuchiCegarLoop]: Abstraction has 76 states and 95 transitions. [2024-11-13 14:02:10,228 INFO L331 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2024-11-13 14:02:10,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states and 95 transitions. [2024-11-13 14:02:10,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:10,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:02:10,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:02:10,230 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:10,230 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:02:10,230 INFO L745 eck$LassoCheckResult]: Stem: 7735#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7730#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7731#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 7738#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 7732#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 7726#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 7727#L521 assume !(main_~val~0#1 < 0); 7757#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 7728#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 7729#L521 assume !(main_~val~0#1 < 0); 7724#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 7725#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 7756#L521 assume !(main_~val~0#1 < 0); 7755#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 7754#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 7753#L521 assume !(main_~val~0#1 < 0); 7752#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 7751#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 7750#L521 assume !(main_~val~0#1 < 0); 7749#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 7748#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 7747#L521 assume !(main_~val~0#1 < 0); 7746#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 7745#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 7744#L521 assume !(main_~val~0#1 < 0); 7743#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 7742#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 7740#L521 assume !(main_~val~0#1 < 0); 7741#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 7739#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 7733#L519-3 main_~j~0#1 := 0; 7717#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 7718#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7791#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 7790#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7719#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 7720#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7734#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 7736#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7737#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 7788#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7787#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 7786#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7785#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 7783#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7782#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 7781#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7780#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 7778#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7777#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 7776#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7775#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 7773#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7772#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 7771#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7770#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 7768#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7767#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 7766#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7765#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 7764#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7761#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 7760#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7758#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 7722#L527-3 [2024-11-13 14:02:10,230 INFO L747 eck$LassoCheckResult]: Loop: 7722#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7721#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 7722#L527-3 [2024-11-13 14:02:10,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:10,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1608497789, now seen corresponding path program 16 times [2024-11-13 14:02:10,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:10,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081718426] [2024-11-13 14:02:10,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:10,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 91 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:10,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:10,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081718426] [2024-11-13 14:02:10,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081718426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:02:10,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942836657] [2024-11-13 14:02:10,628 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 14:02:10,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:02:10,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:10,630 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:02:10,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (136)] Waiting until timeout for monitored process [2024-11-13 14:02:10,764 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 14:02:10,764 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:02:10,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 14:02:10,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:11,141 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 120 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:11,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:02:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 120 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:11,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942836657] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:02:11,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:02:11,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 31 [2024-11-13 14:02:11,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070155508] [2024-11-13 14:02:11,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:02:11,418 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:02:11,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:11,418 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 16 times [2024-11-13 14:02:11,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:11,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100469317] [2024-11-13 14:02:11,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:11,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:11,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:11,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:11,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:11,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-13 14:02:11,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992 [2024-11-13 14:02:11,469 INFO L87 Difference]: Start difference. First operand 76 states and 95 transitions. cyclomatic complexity: 30 Second operand has 32 states, 31 states have (on average 3.4516129032258065) internal successors, (107), 32 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:11,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:11,709 INFO L93 Difference]: Finished difference Result 123 states and 152 transitions. [2024-11-13 14:02:11,709 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 123 states and 152 transitions. [2024-11-13 14:02:11,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:11,711 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 123 states to 81 states and 102 transitions. [2024-11-13 14:02:11,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:02:11,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:02:11,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 81 states and 102 transitions. [2024-11-13 14:02:11,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:02:11,711 INFO L218 hiAutomatonCegarLoop]: Abstraction has 81 states and 102 transitions. [2024-11-13 14:02:11,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states and 102 transitions. [2024-11-13 14:02:11,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2024-11-13 14:02:11,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 79 states have (on average 1.2531645569620253) internal successors, (99), 78 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:11,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 99 transitions. [2024-11-13 14:02:11,717 INFO L240 hiAutomatonCegarLoop]: Abstraction has 79 states and 99 transitions. [2024-11-13 14:02:11,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 14:02:11,722 INFO L424 stractBuchiCegarLoop]: Abstraction has 79 states and 99 transitions. [2024-11-13 14:02:11,722 INFO L331 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2024-11-13 14:02:11,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states and 99 transitions. [2024-11-13 14:02:11,723 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:11,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:02:11,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:02:11,724 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 9, 9, 9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:11,724 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:02:11,724 INFO L745 eck$LassoCheckResult]: Stem: 8347#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8342#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 8343#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 8350#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 8344#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 8338#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 8339#L521 assume !(main_~val~0#1 < 0); 8407#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8340#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 8341#L521 assume !(main_~val~0#1 < 0); 8336#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8337#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 8406#L521 assume !(main_~val~0#1 < 0); 8405#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8404#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 8403#L521 assume !(main_~val~0#1 < 0); 8402#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8401#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 8400#L521 assume !(main_~val~0#1 < 0); 8399#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8398#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 8397#L521 assume !(main_~val~0#1 < 0); 8396#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8395#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 8394#L521 assume !(main_~val~0#1 < 0); 8393#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8392#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 8391#L521 assume !(main_~val~0#1 < 0); 8390#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8389#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 8352#L521 assume !(main_~val~0#1 < 0); 8355#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8351#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 8345#L519-3 main_~j~0#1 := 0; 8329#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 8330#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8346#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 8386#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 8331#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 8332#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8387#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 8348#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 8349#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 8384#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8383#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 8382#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 8381#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 8379#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8378#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 8377#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 8376#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 8374#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8373#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 8372#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 8371#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 8369#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8368#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 8367#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 8366#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 8364#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8363#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 8362#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 8361#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 8360#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8357#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 8356#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 8353#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 8334#L527-3 [2024-11-13 14:02:11,724 INFO L747 eck$LassoCheckResult]: Loop: 8334#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8333#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 8334#L527-3 [2024-11-13 14:02:11,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:11,725 INFO L85 PathProgramCache]: Analyzing trace with hash -441174531, now seen corresponding path program 17 times [2024-11-13 14:02:11,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:11,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352991525] [2024-11-13 14:02:11,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:11,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:11,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:11,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:11,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:11,781 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 17 times [2024-11-13 14:02:11,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:11,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215072497] [2024-11-13 14:02:11,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:11,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:11,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:11,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:11,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:11,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1233039458, now seen corresponding path program 8 times [2024-11-13 14:02:11,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:11,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795043019] [2024-11-13 14:02:11,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:11,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:11,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:11,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:18,859 WARN L286 SmtUtils]: Spent 6.94s on a formula simplification. DAG size of input: 301 DAG size of output: 221 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-13 14:02:19,998 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:02:19,998 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:02:19,998 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:02:19,998 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:02:19,998 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:02:19,998 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:19,998 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:02:19,998 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:02:19,998 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration21_Lasso [2024-11-13 14:02:19,998 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:02:19,998 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:02:20,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:20,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:20,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:20,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:20,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:20,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:20,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:20,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:20,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:20,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:20,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:20,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:20,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:20,024 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:22,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:23,082 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:02:23,083 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:02:23,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,084 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2024-11-13 14:02:23,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:23,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:23,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:23,099 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2024-11-13 14:02:23,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,116 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2024-11-13 14:02:23,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:23,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:23,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:23,130 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2024-11-13 14:02:23,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,144 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2024-11-13 14:02:23,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:23,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:23,161 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2024-11-13 14:02:23,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,175 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2024-11-13 14:02:23,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:23,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:23,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:23,189 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2024-11-13 14:02:23,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,202 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2024-11-13 14:02:23,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:23,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:23,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:23,216 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2024-11-13 14:02:23,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,229 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2024-11-13 14:02:23,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:23,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:23,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:23,243 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2024-11-13 14:02:23,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,257 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2024-11-13 14:02:23,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:23,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:23,275 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:23,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,289 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2024-11-13 14:02:23,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:23,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:23,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:23,303 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2024-11-13 14:02:23,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,317 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2024-11-13 14:02:23,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:23,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:23,333 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:23,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,347 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2024-11-13 14:02:23,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:23,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:23,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:23,361 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:23,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,374 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2024-11-13 14:02:23,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:23,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:23,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:23,388 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:23,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,405 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2024-11-13 14:02:23,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:23,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:23,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:23,419 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2024-11-13 14:02:23,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,434 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2024-11-13 14:02:23,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:23,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:23,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:23,463 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:23,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,478 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2024-11-13 14:02:23,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:23,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:23,494 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:23,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,508 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2024-11-13 14:02:23,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:23,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:23,525 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:23,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,537 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2024-11-13 14:02:23,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:23,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:23,558 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:23,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2024-11-13 14:02:23,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,571 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2024-11-13 14:02:23,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:23,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:23,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:23,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:23,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:23,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:23,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:23,593 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:02:23,603 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-13 14:02:23,603 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-13 14:02:23,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:23,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:23,605 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:23,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2024-11-13 14:02:23,606 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:02:23,617 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:02:23,618 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:02:23,618 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 32 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 32 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2024-11-13 14:02:23,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2024-11-13 14:02:23,720 INFO L156 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2024-11-13 14:02:23,722 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:02:23,722 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:02:23,722 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:02:23,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:23,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 14:02:23,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:02:24,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:24,037 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.10 stem predicates 2 loop predicates [2024-11-13 14:02:24,038 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 99 transitions. cyclomatic complexity: 31 Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:24,064 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 99 transitions. cyclomatic complexity: 31. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 80 states and 101 transitions. Complement of second has 4 states. [2024-11-13 14:02:24,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:02:24,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:24,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:02:24,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 67 letters. Loop has 2 letters. [2024-11-13 14:02:24,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:24,065 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:02:24,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 14:02:24,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:02:24,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:24,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:24,365 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.10 stem predicates 2 loop predicates [2024-11-13 14:02:24,365 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 99 transitions. cyclomatic complexity: 31 Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:24,391 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 99 transitions. cyclomatic complexity: 31. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 80 states and 101 transitions. Complement of second has 4 states. [2024-11-13 14:02:24,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:02:24,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:24,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:02:24,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 67 letters. Loop has 2 letters. [2024-11-13 14:02:24,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:24,392 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:02:24,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 14:02:24,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:24,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:02:24,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:24,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:24,725 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.10 stem predicates 2 loop predicates [2024-11-13 14:02:24,725 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 99 transitions. cyclomatic complexity: 31 Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:24,988 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 99 transitions. cyclomatic complexity: 31. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 101 states and 132 transitions. Complement of second has 24 states. [2024-11-13 14:02:24,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 10 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:02:24,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:24,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 74 transitions. [2024-11-13 14:02:24,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 74 transitions. Stem has 67 letters. Loop has 2 letters. [2024-11-13 14:02:24,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:24,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 74 transitions. Stem has 69 letters. Loop has 2 letters. [2024-11-13 14:02:24,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:24,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 74 transitions. Stem has 67 letters. Loop has 4 letters. [2024-11-13 14:02:24,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:24,990 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 132 transitions. [2024-11-13 14:02:24,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:24,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 96 states and 125 transitions. [2024-11-13 14:02:24,992 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:02:24,992 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:02:24,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 96 states and 125 transitions. [2024-11-13 14:02:24,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:02:24,992 INFO L218 hiAutomatonCegarLoop]: Abstraction has 96 states and 125 transitions. [2024-11-13 14:02:24,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states and 125 transitions. [2024-11-13 14:02:24,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 84. [2024-11-13 14:02:24,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.25) internal successors, (105), 83 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:24,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 105 transitions. [2024-11-13 14:02:24,995 INFO L240 hiAutomatonCegarLoop]: Abstraction has 84 states and 105 transitions. [2024-11-13 14:02:24,995 INFO L424 stractBuchiCegarLoop]: Abstraction has 84 states and 105 transitions. [2024-11-13 14:02:24,995 INFO L331 stractBuchiCegarLoop]: ======== Iteration 22 ============ [2024-11-13 14:02:24,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 105 transitions. [2024-11-13 14:02:24,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:24,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:02:24,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:02:24,997 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:24,997 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:02:24,998 INFO L745 eck$LassoCheckResult]: Stem: 9485#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9480#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 9481#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 9488#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 9482#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 9476#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 9477#L521 assume !(main_~val~0#1 < 0); 9510#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 9478#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 9479#L521 assume !(main_~val~0#1 < 0); 9474#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 9475#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 9509#L521 assume !(main_~val~0#1 < 0); 9508#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 9507#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 9506#L521 assume !(main_~val~0#1 < 0); 9505#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 9504#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 9503#L521 assume !(main_~val~0#1 < 0); 9502#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 9501#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 9500#L521 assume !(main_~val~0#1 < 0); 9499#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 9498#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 9497#L521 assume !(main_~val~0#1 < 0); 9496#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 9495#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 9494#L521 assume !(main_~val~0#1 < 0); 9493#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 9492#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 9490#L521 assume !(main_~val~0#1 < 0); 9491#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 9489#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 9483#L519-3 main_~j~0#1 := 0; 9467#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 9468#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9549#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 9548#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 9469#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 9470#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9484#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 9486#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 9487#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 9546#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9545#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 9544#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 9543#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 9541#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9540#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 9539#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 9538#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 9536#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9535#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 9534#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 9533#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 9531#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9530#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 9529#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 9528#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 9526#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9525#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 9524#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 9523#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 9521#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9520#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 9519#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 9518#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 9517#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9514#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 9513#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 9511#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 9472#L527-3 [2024-11-13 14:02:24,998 INFO L747 eck$LassoCheckResult]: Loop: 9472#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9471#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 9472#L527-3 [2024-11-13 14:02:24,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:24,998 INFO L85 PathProgramCache]: Analyzing trace with hash -460054765, now seen corresponding path program 18 times [2024-11-13 14:02:24,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:24,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709004105] [2024-11-13 14:02:24,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:24,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:25,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2024-11-13 14:02:25,474 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 120 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:25,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:25,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709004105] [2024-11-13 14:02:25,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709004105] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:02:25,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750012450] [2024-11-13 14:02:25,475 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 14:02:25,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:02:25,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:25,477 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:02:25,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (155)] Waiting until timeout for monitored process [2024-11-13 14:02:25,842 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-11-13 14:02:25,842 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:02:25,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 14:02:25,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:26,261 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 153 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:26,261 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:02:26,554 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 153 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:26,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750012450] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:02:26,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:02:26,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 34 [2024-11-13 14:02:26,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899795425] [2024-11-13 14:02:26,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:02:26,555 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:02:26,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:26,556 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 18 times [2024-11-13 14:02:26,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:26,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861995150] [2024-11-13 14:02:26,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:26,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:26,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:26,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:26,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:26,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-13 14:02:26,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2024-11-13 14:02:26,606 INFO L87 Difference]: Start difference. First operand 84 states and 105 transitions. cyclomatic complexity: 33 Second operand has 35 states, 34 states have (on average 3.4705882352941178) internal successors, (118), 35 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:26,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:26,883 INFO L93 Difference]: Finished difference Result 136 states and 168 transitions. [2024-11-13 14:02:26,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 136 states and 168 transitions. [2024-11-13 14:02:26,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:26,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 136 states to 89 states and 112 transitions. [2024-11-13 14:02:26,884 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:02:26,884 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:02:26,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 112 transitions. [2024-11-13 14:02:26,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:02:26,885 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 112 transitions. [2024-11-13 14:02:26,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 112 transitions. [2024-11-13 14:02:26,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-13 14:02:26,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 87 states have (on average 1.2528735632183907) internal successors, (109), 86 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:26,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 109 transitions. [2024-11-13 14:02:26,886 INFO L240 hiAutomatonCegarLoop]: Abstraction has 87 states and 109 transitions. [2024-11-13 14:02:26,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 14:02:26,887 INFO L424 stractBuchiCegarLoop]: Abstraction has 87 states and 109 transitions. [2024-11-13 14:02:26,888 INFO L331 stractBuchiCegarLoop]: ======== Iteration 23 ============ [2024-11-13 14:02:26,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states and 109 transitions. [2024-11-13 14:02:26,888 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:26,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:02:26,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:02:26,889 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:26,889 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:02:26,889 INFO L745 eck$LassoCheckResult]: Stem: 10163#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10158#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 10159#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 10166#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 10160#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 10154#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 10155#L521 assume !(main_~val~0#1 < 0); 10231#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 10156#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 10157#L521 assume !(main_~val~0#1 < 0); 10152#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 10153#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 10230#L521 assume !(main_~val~0#1 < 0); 10229#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 10228#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 10227#L521 assume !(main_~val~0#1 < 0); 10226#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 10225#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 10224#L521 assume !(main_~val~0#1 < 0); 10223#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 10222#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 10221#L521 assume !(main_~val~0#1 < 0); 10220#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 10219#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 10218#L521 assume !(main_~val~0#1 < 0); 10217#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 10216#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 10215#L521 assume !(main_~val~0#1 < 0); 10214#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 10213#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 10212#L521 assume !(main_~val~0#1 < 0); 10211#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 10210#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 10168#L521 assume !(main_~val~0#1 < 0); 10171#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 10167#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 10161#L519-3 main_~j~0#1 := 0; 10145#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 10146#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10162#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 10207#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 10147#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 10148#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10208#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 10164#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 10165#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 10205#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10204#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 10203#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 10202#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 10200#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10199#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 10198#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 10197#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 10195#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10194#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 10193#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 10192#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 10190#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10189#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 10188#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 10187#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 10185#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10184#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 10183#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 10182#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 10180#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10179#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 10178#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 10177#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 10176#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10173#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 10172#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 10169#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 10150#L527-3 [2024-11-13 14:02:26,889 INFO L747 eck$LassoCheckResult]: Loop: 10150#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10149#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 10150#L527-3 [2024-11-13 14:02:26,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:26,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1593938265, now seen corresponding path program 19 times [2024-11-13 14:02:26,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:26,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003644197] [2024-11-13 14:02:26,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:26,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:26,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:26,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:26,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:26,947 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 19 times [2024-11-13 14:02:26,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:26,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995711105] [2024-11-13 14:02:26,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:26,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:26,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:26,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:26,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:26,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1528650562, now seen corresponding path program 9 times [2024-11-13 14:02:26,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:26,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065980959] [2024-11-13 14:02:26,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:26,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:26,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:27,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:36,019 WARN L286 SmtUtils]: Spent 8.96s on a formula simplification. DAG size of input: 330 DAG size of output: 239 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-13 14:02:36,594 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:02:36,594 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:02:36,594 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:02:36,594 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:02:36,594 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:02:36,594 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:36,594 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:02:36,594 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:02:36,594 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration23_Lasso [2024-11-13 14:02:36,594 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:02:36,594 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:02:36,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:36,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:36,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:36,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:36,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:36,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:36,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:36,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:36,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:36,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:36,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:36,616 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:36,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:36,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:36,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:38,699 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:02:38,699 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:02:38,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:38,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:38,701 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:38,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2024-11-13 14:02:38,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:38,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:38,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:38,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:38,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:38,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:38,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:38,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:38,719 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:38,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2024-11-13 14:02:38,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:38,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:38,741 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:38,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2024-11-13 14:02:38,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:38,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:38,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:38,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:38,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:38,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:38,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:38,757 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:38,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:38,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:38,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:38,771 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:38,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2024-11-13 14:02:38,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:38,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:38,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:38,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:38,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:38,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:38,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:38,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:38,785 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:38,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:38,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:38,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:38,799 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:38,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2024-11-13 14:02:38,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:38,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:38,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:38,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:38,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:38,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:38,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:38,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:38,813 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:38,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2024-11-13 14:02:38,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:38,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:38,826 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:38,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2024-11-13 14:02:38,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:38,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:38,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:38,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:38,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:38,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:38,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:38,843 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:38,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:38,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:38,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:38,857 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:38,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2024-11-13 14:02:38,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:38,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:38,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:38,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:38,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:38,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:38,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:38,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:38,870 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:38,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2024-11-13 14:02:38,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:38,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:38,883 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:38,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2024-11-13 14:02:38,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:38,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:38,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:38,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:38,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:38,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:38,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:38,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:38,897 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:38,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2024-11-13 14:02:38,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:38,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:38,911 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:38,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2024-11-13 14:02:38,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:38,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:38,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:38,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:38,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:38,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:38,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:38,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:38,925 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:38,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:38,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:38,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:38,938 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:38,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2024-11-13 14:02:38,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:38,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:38,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:38,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:38,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:38,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:38,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:38,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:38,952 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:38,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2024-11-13 14:02:38,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:38,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:38,966 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:38,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2024-11-13 14:02:38,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:38,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:38,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:38,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:38,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:38,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:38,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:38,983 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:38,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:38,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:38,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:38,997 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:39,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2024-11-13 14:02:39,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:39,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:39,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:39,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:39,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:39,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:39,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:39,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:39,021 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:39,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2024-11-13 14:02:39,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:39,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:39,040 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:39,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2024-11-13 14:02:39,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:39,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:39,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:39,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:39,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:39,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:39,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:39,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:39,058 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:39,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2024-11-13 14:02:39,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:39,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:39,073 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:39,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2024-11-13 14:02:39,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:39,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:39,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:39,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:39,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:39,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:39,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:39,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:39,087 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:39,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2024-11-13 14:02:39,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:39,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:39,100 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:39,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2024-11-13 14:02:39,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:39,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:39,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:39,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:39,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:39,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:39,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:39,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:39,114 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:39,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:39,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:39,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:39,127 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:39,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2024-11-13 14:02:39,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:39,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:39,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:39,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:39,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:39,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:39,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:39,152 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:39,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:39,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:39,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:39,165 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:39,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2024-11-13 14:02:39,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:39,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:39,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:39,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:39,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:39,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:39,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:39,182 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:39,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2024-11-13 14:02:39,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:39,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:39,195 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:39,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2024-11-13 14:02:39,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:39,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:39,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:39,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:39,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:39,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:39,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:39,216 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:39,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:39,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:39,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:39,235 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:39,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2024-11-13 14:02:39,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:39,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:39,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:39,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:39,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:39,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:39,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:39,263 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:39,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2024-11-13 14:02:39,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:39,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:39,283 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:39,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2024-11-13 14:02:39,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:39,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:39,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:39,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:39,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:39,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:39,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:39,312 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:39,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2024-11-13 14:02:39,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:39,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:39,334 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:39,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2024-11-13 14:02:39,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:39,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:39,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:39,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:39,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:39,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:39,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:39,359 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:39,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2024-11-13 14:02:39,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:39,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:39,380 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:39,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2024-11-13 14:02:39,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:39,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:39,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:39,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:39,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:39,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:39,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:39,407 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:39,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Ended with exit code 0 [2024-11-13 14:02:39,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:39,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:39,427 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:39,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2024-11-13 14:02:39,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:39,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:39,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:39,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:39,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:39,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:39,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:39,453 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:39,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2024-11-13 14:02:39,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:39,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:39,472 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:39,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2024-11-13 14:02:39,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:39,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:39,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:39,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:39,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:39,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:39,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:39,499 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:39,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:39,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:39,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:39,520 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:39,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2024-11-13 14:02:39,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:39,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:39,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:39,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:39,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:39,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:39,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:39,579 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:02:39,600 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-13 14:02:39,600 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-13 14:02:39,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:39,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:39,605 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:39,607 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:02:39,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2024-11-13 14:02:39,625 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:02:39,625 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:02:39,625 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 36)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 36)_1 Supporting invariants [] [2024-11-13 14:02:39,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2024-11-13 14:02:39,786 INFO L156 tatePredicateManager]: 40 out of 41 supporting invariants were superfluous and have been removed [2024-11-13 14:02:39,788 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:02:39,788 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:02:39,788 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:02:39,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:39,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 14:02:39,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:40,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:02:40,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:40,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:40,318 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2024-11-13 14:02:40,318 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 87 states and 109 transitions. cyclomatic complexity: 34 Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:40,365 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 87 states and 109 transitions. cyclomatic complexity: 34. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 88 states and 111 transitions. Complement of second has 5 states. [2024-11-13 14:02:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:02:40,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-13 14:02:40,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 74 letters. Loop has 2 letters. [2024-11-13 14:02:40,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:40,367 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:02:40,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:40,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 14:02:40,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:40,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2024-11-13 14:02:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:40,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:02:40,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:40,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:40,944 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.12 stem predicates 2 loop predicates [2024-11-13 14:02:40,944 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 87 states and 109 transitions. cyclomatic complexity: 34 Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:40,986 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 87 states and 109 transitions. cyclomatic complexity: 34. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 88 states and 111 transitions. Complement of second has 5 states. [2024-11-13 14:02:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:02:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-13 14:02:40,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 74 letters. Loop has 2 letters. [2024-11-13 14:02:40,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:40,989 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:02:41,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 14:02:41,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:41,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:02:41,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:41,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:41,551 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2024-11-13 14:02:41,551 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 87 states and 109 transitions. cyclomatic complexity: 34 Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:41,873 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 87 states and 109 transitions. cyclomatic complexity: 34. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 110 states and 144 transitions. Complement of second has 27 states. [2024-11-13 14:02:41,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 12 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:02:41,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:41,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 80 transitions. [2024-11-13 14:02:41,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 80 transitions. Stem has 74 letters. Loop has 2 letters. [2024-11-13 14:02:41,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:41,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 80 transitions. Stem has 76 letters. Loop has 2 letters. [2024-11-13 14:02:41,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:41,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 80 transitions. Stem has 74 letters. Loop has 4 letters. [2024-11-13 14:02:41,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:41,875 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 110 states and 144 transitions. [2024-11-13 14:02:41,875 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:41,876 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 110 states to 105 states and 137 transitions. [2024-11-13 14:02:41,876 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:02:41,876 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:02:41,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 105 states and 137 transitions. [2024-11-13 14:02:41,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:02:41,876 INFO L218 hiAutomatonCegarLoop]: Abstraction has 105 states and 137 transitions. [2024-11-13 14:02:41,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states and 137 transitions. [2024-11-13 14:02:41,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 92. [2024-11-13 14:02:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 92 states have (on average 1.25) internal successors, (115), 91 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 115 transitions. [2024-11-13 14:02:41,879 INFO L240 hiAutomatonCegarLoop]: Abstraction has 92 states and 115 transitions. [2024-11-13 14:02:41,879 INFO L424 stractBuchiCegarLoop]: Abstraction has 92 states and 115 transitions. [2024-11-13 14:02:41,879 INFO L331 stractBuchiCegarLoop]: ======== Iteration 24 ============ [2024-11-13 14:02:41,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 115 transitions. [2024-11-13 14:02:41,880 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:41,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:02:41,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:02:41,880 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:41,881 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:02:41,881 INFO L745 eck$LassoCheckResult]: Stem: 11495#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11490#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 11491#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 11496#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 11492#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 11486#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 11487#L521 assume !(main_~val~0#1 < 0); 11523#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 11488#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 11489#L521 assume !(main_~val~0#1 < 0); 11484#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 11485#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 11522#L521 assume !(main_~val~0#1 < 0); 11521#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 11520#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 11519#L521 assume !(main_~val~0#1 < 0); 11518#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 11517#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 11516#L521 assume !(main_~val~0#1 < 0); 11515#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 11514#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 11513#L521 assume !(main_~val~0#1 < 0); 11512#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 11511#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 11510#L521 assume !(main_~val~0#1 < 0); 11509#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 11508#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 11507#L521 assume !(main_~val~0#1 < 0); 11506#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 11505#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 11504#L521 assume !(main_~val~0#1 < 0); 11503#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 11502#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 11500#L521 assume !(main_~val~0#1 < 0); 11501#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 11499#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 11493#L519-3 main_~j~0#1 := 0; 11477#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 11478#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11567#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 11566#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 11479#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 11480#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11494#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 11497#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 11498#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 11564#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11563#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 11562#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 11561#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 11559#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11558#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 11557#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 11556#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 11554#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11553#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 11552#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 11551#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 11549#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11548#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 11547#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 11546#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 11544#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11543#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 11542#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 11541#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 11539#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11538#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 11537#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 11536#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 11534#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11533#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 11532#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 11531#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 11530#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11527#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 11526#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 11524#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 11482#L527-3 [2024-11-13 14:02:41,881 INFO L747 eck$LassoCheckResult]: Loop: 11482#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11481#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 11482#L527-3 [2024-11-13 14:02:41,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:41,882 INFO L85 PathProgramCache]: Analyzing trace with hash -154375057, now seen corresponding path program 20 times [2024-11-13 14:02:41,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:41,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743889679] [2024-11-13 14:02:41,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:41,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:42,387 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 153 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:42,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:42,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743889679] [2024-11-13 14:02:42,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743889679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:02:42,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727328025] [2024-11-13 14:02:42,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:02:42,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:02:42,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:42,389 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:02:42,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (181)] Waiting until timeout for monitored process [2024-11-13 14:02:42,523 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:02:42,523 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:02:42,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 14:02:42,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 190 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:42,931 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:02:43,226 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 190 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:43,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727328025] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:02:43,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:02:43,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 37 [2024-11-13 14:02:43,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884571398] [2024-11-13 14:02:43,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:02:43,227 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:02:43,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:43,227 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 20 times [2024-11-13 14:02:43,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:43,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077735842] [2024-11-13 14:02:43,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:43,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:43,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:43,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:43,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:43,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-13 14:02:43,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1077, Unknown=0, NotChecked=0, Total=1406 [2024-11-13 14:02:43,275 INFO L87 Difference]: Start difference. First operand 92 states and 115 transitions. cyclomatic complexity: 36 Second operand has 38 states, 37 states have (on average 3.4864864864864864) internal successors, (129), 38 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:43,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:02:43,631 INFO L93 Difference]: Finished difference Result 149 states and 184 transitions. [2024-11-13 14:02:43,631 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 184 transitions. [2024-11-13 14:02:43,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:43,633 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 97 states and 122 transitions. [2024-11-13 14:02:43,633 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:02:43,633 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:02:43,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 97 states and 122 transitions. [2024-11-13 14:02:43,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:02:43,633 INFO L218 hiAutomatonCegarLoop]: Abstraction has 97 states and 122 transitions. [2024-11-13 14:02:43,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states and 122 transitions. [2024-11-13 14:02:43,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2024-11-13 14:02:43,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 95 states have (on average 1.2526315789473683) internal successors, (119), 94 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:43,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 119 transitions. [2024-11-13 14:02:43,636 INFO L240 hiAutomatonCegarLoop]: Abstraction has 95 states and 119 transitions. [2024-11-13 14:02:43,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 14:02:43,637 INFO L424 stractBuchiCegarLoop]: Abstraction has 95 states and 119 transitions. [2024-11-13 14:02:43,637 INFO L331 stractBuchiCegarLoop]: ======== Iteration 25 ============ [2024-11-13 14:02:43,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 119 transitions. [2024-11-13 14:02:43,638 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:43,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:02:43,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:02:43,639 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 11, 11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:43,639 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:02:43,639 INFO L745 eck$LassoCheckResult]: Stem: 12239#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12234#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 12235#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 12240#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 12236#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 12230#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 12231#L521 assume !(main_~val~0#1 < 0); 12315#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 12232#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 12233#L521 assume !(main_~val~0#1 < 0); 12228#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 12229#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 12314#L521 assume !(main_~val~0#1 < 0); 12313#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 12312#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 12311#L521 assume !(main_~val~0#1 < 0); 12310#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 12309#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 12308#L521 assume !(main_~val~0#1 < 0); 12307#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 12306#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 12305#L521 assume !(main_~val~0#1 < 0); 12304#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 12303#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 12302#L521 assume !(main_~val~0#1 < 0); 12301#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 12300#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 12299#L521 assume !(main_~val~0#1 < 0); 12298#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 12297#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 12296#L521 assume !(main_~val~0#1 < 0); 12295#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 12294#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 12293#L521 assume !(main_~val~0#1 < 0); 12292#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 12291#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 12244#L521 assume !(main_~val~0#1 < 0); 12247#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 12243#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 12237#L519-3 main_~j~0#1 := 0; 12221#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 12222#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12238#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 12288#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 12223#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 12224#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12289#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 12241#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 12242#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 12286#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12285#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 12284#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 12283#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 12281#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12280#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 12279#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 12278#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 12276#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12275#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 12274#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 12273#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 12271#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12270#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 12269#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 12268#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 12266#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12265#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 12264#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 12263#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 12261#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12260#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 12259#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 12258#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 12256#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12255#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 12254#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 12253#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 12252#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12249#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 12248#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 12245#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 12226#L527-3 [2024-11-13 14:02:43,640 INFO L747 eck$LassoCheckResult]: Loop: 12226#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12225#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 12226#L527-3 [2024-11-13 14:02:43,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:43,640 INFO L85 PathProgramCache]: Analyzing trace with hash 88932201, now seen corresponding path program 21 times [2024-11-13 14:02:43,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:43,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895158717] [2024-11-13 14:02:43,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:43,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:43,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:43,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:43,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:43,747 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 21 times [2024-11-13 14:02:43,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:43,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205105930] [2024-11-13 14:02:43,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:43,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:43,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:43,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:43,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:43,758 INFO L85 PathProgramCache]: Analyzing trace with hash -435499314, now seen corresponding path program 10 times [2024-11-13 14:02:43,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:43,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189631454] [2024-11-13 14:02:43,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:43,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:43,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:43,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:54,298 WARN L286 SmtUtils]: Spent 10.37s on a formula simplification. DAG size of input: 359 DAG size of output: 263 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-13 14:02:55,598 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:02:55,598 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:02:55,598 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:02:55,599 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:02:55,599 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:02:55,599 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:55,599 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:02:55,599 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:02:55,599 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration25_Lasso [2024-11-13 14:02:55,599 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:02:55,599 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:02:55,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:55,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:55,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:55,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:55,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:55,616 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:55,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:55,620 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:55,623 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:55,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:57,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:57,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:57,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:57,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:57,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:02:57,515 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:02:57,515 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:02:57,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,518 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2024-11-13 14:02:57,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:57,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:57,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:57,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:57,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:57,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:57,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:57,535 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:57,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2024-11-13 14:02:57,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,548 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2024-11-13 14:02:57,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:57,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:57,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:57,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:57,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:57,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:57,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:57,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:57,562 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:57,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2024-11-13 14:02:57,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,576 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2024-11-13 14:02:57,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:57,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:57,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:57,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:57,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:57,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:57,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:57,592 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:57,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2024-11-13 14:02:57,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,605 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2024-11-13 14:02:57,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:57,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:57,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:57,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:57,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:57,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:57,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:57,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:57,619 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:57,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2024-11-13 14:02:57,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,633 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2024-11-13 14:02:57,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:57,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:57,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:57,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:57,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:57,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:57,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:57,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:57,647 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:57,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Forceful destruction successful, exit code 0 [2024-11-13 14:02:57,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,662 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2024-11-13 14:02:57,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:57,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:57,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:57,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:57,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:57,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:57,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:57,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:57,676 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:57,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Ended with exit code 0 [2024-11-13 14:02:57,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,691 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2024-11-13 14:02:57,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:57,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:57,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:57,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:57,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:57,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:57,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:57,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:57,705 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:57,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2024-11-13 14:02:57,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,719 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2024-11-13 14:02:57,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:57,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:57,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:57,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:57,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:57,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:57,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:57,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:57,732 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:57,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2024-11-13 14:02:57,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,745 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2024-11-13 14:02:57,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:57,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:57,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:02:57,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:57,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:57,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:57,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:02:57,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:02:57,763 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:57,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Ended with exit code 0 [2024-11-13 14:02:57,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,777 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2024-11-13 14:02:57,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:57,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:57,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:57,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:57,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:57,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:57,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:57,796 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:57,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2024-11-13 14:02:57,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,815 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2024-11-13 14:02:57,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:57,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:57,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:57,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:57,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:57,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:57,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:57,837 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:57,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2024-11-13 14:02:57,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,853 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2024-11-13 14:02:57,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:57,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:57,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:57,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:57,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:57,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:57,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:57,871 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:57,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2024-11-13 14:02:57,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,885 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2024-11-13 14:02:57,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:57,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:57,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:57,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:57,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:57,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:57,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:57,902 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:57,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2024-11-13 14:02:57,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,915 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2024-11-13 14:02:57,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:57,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:57,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:57,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:57,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:57,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:57,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:57,940 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:02:57,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2024-11-13 14:02:57,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,953 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2024-11-13 14:02:57,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:02:57,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:02:57,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:02:57,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:02:57,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:02:57,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:02:57,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:02:57,975 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:02:57,988 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-13 14:02:57,988 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-13 14:02:57,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:02:57,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:02:57,990 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:02:57,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2024-11-13 14:02:57,991 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:02:58,003 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:02:58,003 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:02:58,003 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 40 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 40 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2024-11-13 14:02:58,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2024-11-13 14:02:58,050 INFO L156 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2024-11-13 14:02:58,052 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:02:58,052 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:02:58,052 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:02:58,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:58,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 14:02:58,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:58,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:02:58,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:58,443 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2024-11-13 14:02:58,443 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 95 states and 119 transitions. cyclomatic complexity: 37 Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:58,472 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 95 states and 119 transitions. cyclomatic complexity: 37. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 96 states and 121 transitions. Complement of second has 4 states. [2024-11-13 14:02:58,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:02:58,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:58,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:02:58,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 81 letters. Loop has 2 letters. [2024-11-13 14:02:58,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:58,473 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:02:58,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:58,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 14:02:58,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:58,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2024-11-13 14:02:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:58,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:02:58,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:58,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:58,859 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.12 stem predicates 2 loop predicates [2024-11-13 14:02:58,860 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 95 states and 119 transitions. cyclomatic complexity: 37 Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:58,890 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 95 states and 119 transitions. cyclomatic complexity: 37. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 96 states and 121 transitions. Complement of second has 4 states. [2024-11-13 14:02:58,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:02:58,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:58,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:02:58,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 81 letters. Loop has 2 letters. [2024-11-13 14:02:58,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:58,891 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:02:58,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:58,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 14:02:58,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:59,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:02:59,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:02:59,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:59,250 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2024-11-13 14:02:59,250 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 95 states and 119 transitions. cyclomatic complexity: 37 Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:59,649 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 95 states and 119 transitions. cyclomatic complexity: 37. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 119 states and 156 transitions. Complement of second has 28 states. [2024-11-13 14:02:59,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 12 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:02:59,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:59,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 86 transitions. [2024-11-13 14:02:59,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 86 transitions. Stem has 81 letters. Loop has 2 letters. [2024-11-13 14:02:59,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:59,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 86 transitions. Stem has 83 letters. Loop has 2 letters. [2024-11-13 14:02:59,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:59,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 86 transitions. Stem has 81 letters. Loop has 4 letters. [2024-11-13 14:02:59,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:02:59,651 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 156 transitions. [2024-11-13 14:02:59,651 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:59,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 114 states and 149 transitions. [2024-11-13 14:02:59,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:02:59,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:02:59,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 114 states and 149 transitions. [2024-11-13 14:02:59,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:02:59,653 INFO L218 hiAutomatonCegarLoop]: Abstraction has 114 states and 149 transitions. [2024-11-13 14:02:59,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states and 149 transitions. [2024-11-13 14:02:59,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 100. [2024-11-13 14:02:59,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 100 states have (on average 1.25) internal successors, (125), 99 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:02:59,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 125 transitions. [2024-11-13 14:02:59,656 INFO L240 hiAutomatonCegarLoop]: Abstraction has 100 states and 125 transitions. [2024-11-13 14:02:59,656 INFO L424 stractBuchiCegarLoop]: Abstraction has 100 states and 125 transitions. [2024-11-13 14:02:59,656 INFO L331 stractBuchiCegarLoop]: ======== Iteration 26 ============ [2024-11-13 14:02:59,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 125 transitions. [2024-11-13 14:02:59,657 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:02:59,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:02:59,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:02:59,658 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:59,658 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:02:59,658 INFO L745 eck$LassoCheckResult]: Stem: 13557#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 13552#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 13553#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 13558#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 13554#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 13548#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 13549#L521 assume !(main_~val~0#1 < 0); 13588#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 13550#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 13551#L521 assume !(main_~val~0#1 < 0); 13546#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 13547#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 13587#L521 assume !(main_~val~0#1 < 0); 13586#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 13585#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 13584#L521 assume !(main_~val~0#1 < 0); 13583#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 13582#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 13581#L521 assume !(main_~val~0#1 < 0); 13580#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 13579#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 13578#L521 assume !(main_~val~0#1 < 0); 13577#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 13576#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 13575#L521 assume !(main_~val~0#1 < 0); 13574#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 13573#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 13572#L521 assume !(main_~val~0#1 < 0); 13571#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 13570#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 13569#L521 assume !(main_~val~0#1 < 0); 13568#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 13567#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 13566#L521 assume !(main_~val~0#1 < 0); 13565#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 13564#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 13562#L521 assume !(main_~val~0#1 < 0); 13563#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 13561#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 13555#L519-3 main_~j~0#1 := 0; 13539#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 13540#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13637#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 13636#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 13541#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 13542#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13556#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 13559#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 13560#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 13634#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13633#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 13632#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 13631#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 13629#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13628#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 13627#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 13626#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 13624#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13623#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 13622#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 13621#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 13619#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13618#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 13617#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 13616#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 13614#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13613#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 13612#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 13611#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 13609#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13608#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 13607#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 13606#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 13604#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13603#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 13602#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 13601#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 13599#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13598#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 13597#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 13596#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 13595#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13592#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 13591#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 13589#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 13544#L527-3 [2024-11-13 14:02:59,659 INFO L747 eck$LassoCheckResult]: Loop: 13544#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13543#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 13544#L527-3 [2024-11-13 14:02:59,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:59,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1903013249, now seen corresponding path program 22 times [2024-11-13 14:02:59,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:59,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336852707] [2024-11-13 14:02:59,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:59,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:00,279 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 190 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:03:00,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:03:00,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336852707] [2024-11-13 14:03:00,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336852707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:03:00,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589896099] [2024-11-13 14:03:00,279 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 14:03:00,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:03:00,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:00,282 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:03:00,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (198)] Waiting until timeout for monitored process [2024-11-13 14:03:00,433 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 14:03:00,433 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:03:00,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 14:03:00,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:00,915 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 231 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:03:00,915 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:03:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 231 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:03:01,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589896099] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:03:01,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:03:01,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 40 [2024-11-13 14:03:01,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780079107] [2024-11-13 14:03:01,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:03:01,272 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:03:01,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:01,273 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 22 times [2024-11-13 14:03:01,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:01,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867235668] [2024-11-13 14:03:01,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:01,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:01,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:03:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:01,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:03:01,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:03:01,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-13 14:03:01,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=1258, Unknown=0, NotChecked=0, Total=1640 [2024-11-13 14:03:01,325 INFO L87 Difference]: Start difference. First operand 100 states and 125 transitions. cyclomatic complexity: 39 Second operand has 41 states, 40 states have (on average 3.5) internal successors, (140), 41 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:01,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:03:01,612 INFO L93 Difference]: Finished difference Result 162 states and 200 transitions. [2024-11-13 14:03:01,612 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 200 transitions. [2024-11-13 14:03:01,613 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:03:01,613 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 105 states and 132 transitions. [2024-11-13 14:03:01,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:03:01,614 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:03:01,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 105 states and 132 transitions. [2024-11-13 14:03:01,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:03:01,614 INFO L218 hiAutomatonCegarLoop]: Abstraction has 105 states and 132 transitions. [2024-11-13 14:03:01,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states and 132 transitions. [2024-11-13 14:03:01,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2024-11-13 14:03:01,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 103 states have (on average 1.2524271844660195) internal successors, (129), 102 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:01,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 129 transitions. [2024-11-13 14:03:01,616 INFO L240 hiAutomatonCegarLoop]: Abstraction has 103 states and 129 transitions. [2024-11-13 14:03:01,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 14:03:01,617 INFO L424 stractBuchiCegarLoop]: Abstraction has 103 states and 129 transitions. [2024-11-13 14:03:01,617 INFO L331 stractBuchiCegarLoop]: ======== Iteration 27 ============ [2024-11-13 14:03:01,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states and 129 transitions. [2024-11-13 14:03:01,618 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:03:01,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:03:01,618 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:03:01,619 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 12, 12, 12, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:03:01,619 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:03:01,619 INFO L745 eck$LassoCheckResult]: Stem: 14367#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 14362#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 14363#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 14370#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 14364#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 14358#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 14359#L521 assume !(main_~val~0#1 < 0); 14451#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 14360#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 14361#L521 assume !(main_~val~0#1 < 0); 14356#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 14357#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 14450#L521 assume !(main_~val~0#1 < 0); 14449#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 14448#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 14447#L521 assume !(main_~val~0#1 < 0); 14446#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 14445#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 14444#L521 assume !(main_~val~0#1 < 0); 14443#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 14442#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 14441#L521 assume !(main_~val~0#1 < 0); 14440#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 14439#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 14438#L521 assume !(main_~val~0#1 < 0); 14437#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 14436#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 14435#L521 assume !(main_~val~0#1 < 0); 14434#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 14433#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 14432#L521 assume !(main_~val~0#1 < 0); 14431#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 14430#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 14429#L521 assume !(main_~val~0#1 < 0); 14428#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 14427#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 14426#L521 assume !(main_~val~0#1 < 0); 14425#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 14424#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 14372#L521 assume !(main_~val~0#1 < 0); 14375#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 14371#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 14365#L519-3 main_~j~0#1 := 0; 14349#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 14350#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 14366#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 14421#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 14351#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 14352#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 14422#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 14368#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 14369#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 14419#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 14418#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 14417#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 14416#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 14414#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 14413#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 14412#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 14411#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 14409#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 14408#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 14407#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 14406#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 14404#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 14403#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 14402#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 14401#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 14399#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 14398#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 14397#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 14396#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 14394#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 14393#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 14392#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 14391#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 14389#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 14388#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 14387#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 14386#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 14384#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 14383#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 14382#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 14381#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 14380#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 14377#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 14376#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 14373#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 14354#L527-3 [2024-11-13 14:03:01,619 INFO L747 eck$LassoCheckResult]: Loop: 14354#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 14353#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 14354#L527-3 [2024-11-13 14:03:01,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:01,620 INFO L85 PathProgramCache]: Analyzing trace with hash 227496517, now seen corresponding path program 23 times [2024-11-13 14:03:01,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:01,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176661914] [2024-11-13 14:03:01,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:01,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:01,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:03:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:01,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:03:01,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:01,691 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 23 times [2024-11-13 14:03:01,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:01,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561754737] [2024-11-13 14:03:01,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:01,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:01,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:03:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:01,699 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:03:01,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:01,699 INFO L85 PathProgramCache]: Analyzing trace with hash -419177814, now seen corresponding path program 11 times [2024-11-13 14:03:01,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:01,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364793919] [2024-11-13 14:03:01,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:01,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:01,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:03:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:01,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:03:15,859 WARN L286 SmtUtils]: Spent 13.99s on a formula simplification. DAG size of input: 388 DAG size of output: 284 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-13 14:03:17,878 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:03:17,878 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:03:17,878 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:03:17,878 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:03:17,878 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:03:17,878 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:17,878 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:03:17,878 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:03:17,879 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration27_Lasso [2024-11-13 14:03:17,879 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:03:17,879 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:03:17,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:17,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:17,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:17,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:17,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:17,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:20,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:20,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:20,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:20,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:20,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:20,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:20,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:20,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:20,325 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:20,698 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:03:20,698 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:03:20,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:20,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:20,700 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:20,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2024-11-13 14:03:20,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:20,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:20,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:20,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:20,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:20,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:20,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:20,717 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:20,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2024-11-13 14:03:20,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:20,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:20,730 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:20,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2024-11-13 14:03:20,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:20,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:20,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:03:20,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:20,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:20,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:20,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:03:20,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:03:20,745 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:20,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Ended with exit code 0 [2024-11-13 14:03:20,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:20,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:20,759 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:20,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2024-11-13 14:03:20,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:20,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:20,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:03:20,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:20,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:20,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:20,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:03:20,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:03:20,775 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:20,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2024-11-13 14:03:20,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:20,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:20,788 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:20,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2024-11-13 14:03:20,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:20,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:20,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:03:20,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:20,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:20,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:20,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:03:20,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:03:20,802 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:20,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2024-11-13 14:03:20,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:20,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:20,817 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:20,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2024-11-13 14:03:20,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:20,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:20,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:03:20,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:20,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:20,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:20,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:03:20,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:03:20,831 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:20,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Ended with exit code 0 [2024-11-13 14:03:20,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:20,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:20,844 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:20,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2024-11-13 14:03:20,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:20,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:20,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:20,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:20,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:20,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:20,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:20,861 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:20,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2024-11-13 14:03:20,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:20,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:20,875 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:20,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2024-11-13 14:03:20,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:20,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:20,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:20,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:20,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:20,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:20,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:20,895 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:20,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Ended with exit code 0 [2024-11-13 14:03:20,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:20,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:20,913 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:20,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2024-11-13 14:03:20,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:20,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:20,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:20,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:20,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:20,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:20,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:20,932 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:20,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Forceful destruction successful, exit code 0 [2024-11-13 14:03:20,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:20,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:20,945 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:20,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2024-11-13 14:03:20,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:20,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:20,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:20,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:20,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:20,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:20,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:20,962 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:20,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2024-11-13 14:03:20,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:20,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:20,976 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:20,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2024-11-13 14:03:20,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:20,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:20,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:20,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:20,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:20,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:20,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:20,993 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:21,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Ended with exit code 0 [2024-11-13 14:03:21,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:21,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:21,007 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:21,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2024-11-13 14:03:21,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:21,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:21,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:21,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:21,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:21,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:21,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:21,026 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:21,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2024-11-13 14:03:21,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:21,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:21,040 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:21,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2024-11-13 14:03:21,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:21,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:21,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:21,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:21,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:21,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:21,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:21,058 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:21,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Ended with exit code 0 [2024-11-13 14:03:21,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:21,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:21,074 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:21,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2024-11-13 14:03:21,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:21,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:21,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:21,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:21,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:21,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:21,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:21,092 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:21,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Forceful destruction successful, exit code 0 [2024-11-13 14:03:21,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:21,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:21,106 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:21,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2024-11-13 14:03:21,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:21,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:21,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:21,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:21,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:21,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:21,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:21,124 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:21,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Ended with exit code 0 [2024-11-13 14:03:21,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:21,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:21,144 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:21,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2024-11-13 14:03:21,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:21,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:21,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:21,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:21,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:21,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:21,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:21,169 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:21,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Ended with exit code 0 [2024-11-13 14:03:21,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:21,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:21,182 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:21,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2024-11-13 14:03:21,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:21,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:21,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:21,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:21,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:21,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:21,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:21,199 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:21,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Ended with exit code 0 [2024-11-13 14:03:21,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:21,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:21,214 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:21,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2024-11-13 14:03:21,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:21,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:21,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:21,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:21,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:21,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:21,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:21,238 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:21,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Forceful destruction successful, exit code 0 [2024-11-13 14:03:21,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:21,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:21,253 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:21,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2024-11-13 14:03:21,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:21,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:21,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:21,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:21,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:21,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:21,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:21,278 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:21,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Ended with exit code 0 [2024-11-13 14:03:21,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:21,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:21,299 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:21,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2024-11-13 14:03:21,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:21,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:21,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:21,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:21,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:21,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:21,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:21,321 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:21,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Forceful destruction successful, exit code 0 [2024-11-13 14:03:21,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:21,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:21,341 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:21,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Waiting until timeout for monitored process [2024-11-13 14:03:21,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:21,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:21,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:21,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:21,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:21,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:21,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:21,358 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:21,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Ended with exit code 0 [2024-11-13 14:03:21,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:21,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:21,372 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:21,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2024-11-13 14:03:21,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:21,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:21,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:21,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:21,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:21,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:21,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:21,393 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:03:21,400 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-13 14:03:21,400 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-13 14:03:21,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:21,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:21,402 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:21,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2024-11-13 14:03:21,403 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:03:21,415 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:03:21,415 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:03:21,415 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 44 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 44 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2024-11-13 14:03:21,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Ended with exit code 0 [2024-11-13 14:03:21,465 INFO L156 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2024-11-13 14:03:21,466 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:03:21,467 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:03:21,467 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:03:21,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:21,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 14:03:21,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:21,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:03:21,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:21,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Forceful destruction successful, exit code 0 [2024-11-13 14:03:21,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:03:21,968 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.13 stem predicates 2 loop predicates [2024-11-13 14:03:21,968 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 103 states and 129 transitions. cyclomatic complexity: 40 Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:22,002 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 103 states and 129 transitions. cyclomatic complexity: 40. Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 104 states and 131 transitions. Complement of second has 4 states. [2024-11-13 14:03:22,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:03:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:03:22,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 88 letters. Loop has 2 letters. [2024-11-13 14:03:22,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:03:22,003 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:03:22,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:22,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 14:03:22,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:22,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:03:22,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:22,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:03:22,474 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.13 stem predicates 2 loop predicates [2024-11-13 14:03:22,475 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 103 states and 129 transitions. cyclomatic complexity: 40 Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:22,520 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 103 states and 129 transitions. cyclomatic complexity: 40. Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 104 states and 131 transitions. Complement of second has 4 states. [2024-11-13 14:03:22,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:03:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:22,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:03:22,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 88 letters. Loop has 2 letters. [2024-11-13 14:03:22,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:03:22,522 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:03:22,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:22,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 14:03:22,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:23,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:03:23,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:23,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:03:23,028 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.13 stem predicates 2 loop predicates [2024-11-13 14:03:23,028 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 103 states and 129 transitions. cyclomatic complexity: 40 Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:23,409 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 103 states and 129 transitions. cyclomatic complexity: 40. Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 128 states and 168 transitions. Complement of second has 30 states. [2024-11-13 14:03:23,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 13 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:03:23,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:23,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 92 transitions. [2024-11-13 14:03:23,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 92 transitions. Stem has 88 letters. Loop has 2 letters. [2024-11-13 14:03:23,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:03:23,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 92 transitions. Stem has 90 letters. Loop has 2 letters. [2024-11-13 14:03:23,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:03:23,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 92 transitions. Stem has 88 letters. Loop has 4 letters. [2024-11-13 14:03:23,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:03:23,412 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128 states and 168 transitions. [2024-11-13 14:03:23,412 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:03:23,413 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128 states to 123 states and 161 transitions. [2024-11-13 14:03:23,413 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:03:23,413 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:03:23,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 123 states and 161 transitions. [2024-11-13 14:03:23,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:03:23,413 INFO L218 hiAutomatonCegarLoop]: Abstraction has 123 states and 161 transitions. [2024-11-13 14:03:23,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states and 161 transitions. [2024-11-13 14:03:23,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 108. [2024-11-13 14:03:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 108 states have (on average 1.25) internal successors, (135), 107 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 135 transitions. [2024-11-13 14:03:23,416 INFO L240 hiAutomatonCegarLoop]: Abstraction has 108 states and 135 transitions. [2024-11-13 14:03:23,416 INFO L424 stractBuchiCegarLoop]: Abstraction has 108 states and 135 transitions. [2024-11-13 14:03:23,416 INFO L331 stractBuchiCegarLoop]: ======== Iteration 28 ============ [2024-11-13 14:03:23,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 135 transitions. [2024-11-13 14:03:23,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:03:23,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:03:23,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:03:23,418 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:03:23,418 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:03:23,418 INFO L745 eck$LassoCheckResult]: Stem: 15791#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 15786#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 15787#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 15794#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 15788#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 15782#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 15783#L521 assume !(main_~val~0#1 < 0); 15825#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 15784#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 15785#L521 assume !(main_~val~0#1 < 0); 15780#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 15781#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 15824#L521 assume !(main_~val~0#1 < 0); 15823#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 15822#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 15821#L521 assume !(main_~val~0#1 < 0); 15820#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 15819#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 15818#L521 assume !(main_~val~0#1 < 0); 15817#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 15816#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 15815#L521 assume !(main_~val~0#1 < 0); 15814#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 15813#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 15812#L521 assume !(main_~val~0#1 < 0); 15811#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 15810#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 15809#L521 assume !(main_~val~0#1 < 0); 15808#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 15807#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 15806#L521 assume !(main_~val~0#1 < 0); 15805#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 15804#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 15803#L521 assume !(main_~val~0#1 < 0); 15802#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 15801#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 15800#L521 assume !(main_~val~0#1 < 0); 15799#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 15798#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 15796#L521 assume !(main_~val~0#1 < 0); 15797#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 15795#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 15789#L519-3 main_~j~0#1 := 0; 15773#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 15774#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15879#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 15878#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 15775#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 15776#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15790#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 15792#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 15793#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 15876#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15875#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 15874#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 15873#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 15871#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15870#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 15869#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 15868#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 15866#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15865#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 15864#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 15863#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 15861#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15860#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 15859#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 15858#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 15856#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15855#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 15854#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 15853#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 15851#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15850#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 15849#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 15848#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 15846#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15845#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 15844#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 15843#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 15841#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15840#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 15839#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 15838#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 15836#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15835#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 15834#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 15833#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 15832#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15829#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 15828#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 15826#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 15778#L527-3 [2024-11-13 14:03:23,418 INFO L747 eck$LassoCheckResult]: Loop: 15778#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 15777#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 15778#L527-3 [2024-11-13 14:03:23,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:23,419 INFO L85 PathProgramCache]: Analyzing trace with hash 897046363, now seen corresponding path program 24 times [2024-11-13 14:03:23,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:23,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527347480] [2024-11-13 14:03:23,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:23,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:24,118 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 231 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:03:24,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:03:24,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527347480] [2024-11-13 14:03:24,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527347480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:03:24,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566566332] [2024-11-13 14:03:24,119 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 14:03:24,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:03:24,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:24,120 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:03:24,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (221)] Waiting until timeout for monitored process [2024-11-13 14:03:24,697 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-11-13 14:03:24,697 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:03:24,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 14:03:24,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 276 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:03:25,261 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:03:25,695 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 276 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:03:25,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566566332] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:03:25,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:03:25,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 43 [2024-11-13 14:03:25,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97818580] [2024-11-13 14:03:25,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:03:25,696 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:03:25,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:25,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 24 times [2024-11-13 14:03:25,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:25,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400473655] [2024-11-13 14:03:25,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:25,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:25,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:03:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:25,703 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:03:25,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:03:25,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-13 14:03:25,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=1453, Unknown=0, NotChecked=0, Total=1892 [2024-11-13 14:03:25,757 INFO L87 Difference]: Start difference. First operand 108 states and 135 transitions. cyclomatic complexity: 42 Second operand has 44 states, 43 states have (on average 3.511627906976744) internal successors, (151), 44 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:26,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:03:26,138 INFO L93 Difference]: Finished difference Result 175 states and 216 transitions. [2024-11-13 14:03:26,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 175 states and 216 transitions. [2024-11-13 14:03:26,139 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:03:26,140 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 175 states to 113 states and 142 transitions. [2024-11-13 14:03:26,140 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:03:26,140 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:03:26,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 142 transitions. [2024-11-13 14:03:26,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:03:26,140 INFO L218 hiAutomatonCegarLoop]: Abstraction has 113 states and 142 transitions. [2024-11-13 14:03:26,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 142 transitions. [2024-11-13 14:03:26,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2024-11-13 14:03:26,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 111 states have (on average 1.2522522522522523) internal successors, (139), 110 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 139 transitions. [2024-11-13 14:03:26,143 INFO L240 hiAutomatonCegarLoop]: Abstraction has 111 states and 139 transitions. [2024-11-13 14:03:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 14:03:26,144 INFO L424 stractBuchiCegarLoop]: Abstraction has 111 states and 139 transitions. [2024-11-13 14:03:26,144 INFO L331 stractBuchiCegarLoop]: ======== Iteration 29 ============ [2024-11-13 14:03:26,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states and 139 transitions. [2024-11-13 14:03:26,145 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:03:26,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:03:26,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:03:26,146 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 13, 13, 13, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:03:26,146 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:03:26,146 INFO L745 eck$LassoCheckResult]: Stem: 16667#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 16662#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 16663#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 16670#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 16664#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 16658#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 16659#L521 assume !(main_~val~0#1 < 0); 16759#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 16660#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 16661#L521 assume !(main_~val~0#1 < 0); 16656#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 16657#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 16758#L521 assume !(main_~val~0#1 < 0); 16757#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 16756#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 16755#L521 assume !(main_~val~0#1 < 0); 16754#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 16753#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 16752#L521 assume !(main_~val~0#1 < 0); 16751#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 16750#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 16749#L521 assume !(main_~val~0#1 < 0); 16748#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 16747#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 16746#L521 assume !(main_~val~0#1 < 0); 16745#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 16744#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 16743#L521 assume !(main_~val~0#1 < 0); 16742#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 16741#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 16740#L521 assume !(main_~val~0#1 < 0); 16739#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 16738#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 16737#L521 assume !(main_~val~0#1 < 0); 16736#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 16735#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 16734#L521 assume !(main_~val~0#1 < 0); 16733#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 16732#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 16731#L521 assume !(main_~val~0#1 < 0); 16730#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 16729#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 16672#L521 assume !(main_~val~0#1 < 0); 16675#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 16671#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 16665#L519-3 main_~j~0#1 := 0; 16649#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 16650#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16666#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 16726#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 16651#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 16652#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16727#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 16668#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 16669#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 16724#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16723#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 16722#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 16721#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 16719#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16718#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 16717#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 16716#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 16714#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16713#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 16712#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 16711#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 16709#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16708#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 16707#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 16706#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 16704#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16703#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 16702#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 16701#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 16699#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16698#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 16697#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 16696#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 16694#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16693#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 16692#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 16691#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 16689#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16688#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 16687#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 16686#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 16684#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16683#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 16682#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 16681#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 16680#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16677#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 16676#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 16673#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 16654#L527-3 [2024-11-13 14:03:26,146 INFO L747 eck$LassoCheckResult]: Loop: 16654#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 16653#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 16654#L527-3 [2024-11-13 14:03:26,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:26,147 INFO L85 PathProgramCache]: Analyzing trace with hash -959009579, now seen corresponding path program 25 times [2024-11-13 14:03:26,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:26,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206393633] [2024-11-13 14:03:26,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:26,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:26,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:03:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:26,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:03:26,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:26,253 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 25 times [2024-11-13 14:03:26,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:26,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82738122] [2024-11-13 14:03:26,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:26,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:26,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:03:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:26,262 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:03:26,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:26,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1809764666, now seen corresponding path program 12 times [2024-11-13 14:03:26,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:26,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087272348] [2024-11-13 14:03:26,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:26,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:26,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:03:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:26,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:03:45,002 WARN L286 SmtUtils]: Spent 18.60s on a formula simplification. DAG size of input: 417 DAG size of output: 305 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-13 14:03:47,475 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:03:47,475 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:03:47,475 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:03:47,475 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:03:47,475 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:03:47,475 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:47,475 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:03:47,475 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:03:47,475 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration29_Lasso [2024-11-13 14:03:47,475 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:03:47,475 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:03:47,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:51,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:51,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:51,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:51,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:51,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:51,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:51,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:51,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:51,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:51,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:51,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:51,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:51,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:51,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:03:51,864 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:03:51,864 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:03:51,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:51,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:51,866 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:51,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2024-11-13 14:03:51,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:51,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:51,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:51,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:51,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:51,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:51,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:51,887 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:51,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Ended with exit code 0 [2024-11-13 14:03:51,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:51,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:51,901 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:51,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2024-11-13 14:03:51,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:51,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:51,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:51,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:51,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:51,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:51,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:51,921 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:51,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Ended with exit code 0 [2024-11-13 14:03:51,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:51,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:51,936 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:51,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2024-11-13 14:03:51,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:51,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:51,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:51,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:51,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:51,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:51,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:51,955 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:51,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Ended with exit code 0 [2024-11-13 14:03:51,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:51,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:51,970 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:51,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2024-11-13 14:03:51,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:51,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:51,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:51,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:51,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:51,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:51,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:51,989 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:52,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Ended with exit code 0 [2024-11-13 14:03:52,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:52,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:52,003 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:52,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2024-11-13 14:03:52,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:52,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:52,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:52,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:52,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:52,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:52,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:52,023 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:52,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Forceful destruction successful, exit code 0 [2024-11-13 14:03:52,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:52,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:52,037 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:52,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Waiting until timeout for monitored process [2024-11-13 14:03:52,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:52,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:52,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:52,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:52,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:52,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:52,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:52,058 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:52,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Ended with exit code 0 [2024-11-13 14:03:52,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:52,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:52,072 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:52,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2024-11-13 14:03:52,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:52,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:52,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:52,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:52,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:52,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:52,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:52,091 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:52,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Ended with exit code 0 [2024-11-13 14:03:52,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:52,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:52,105 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:52,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2024-11-13 14:03:52,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:52,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:52,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:52,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:52,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:52,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:52,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:52,124 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:52,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Ended with exit code 0 [2024-11-13 14:03:52,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:52,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:52,139 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:52,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2024-11-13 14:03:52,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:52,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:52,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:52,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:52,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:52,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:52,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:52,157 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:52,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Ended with exit code 0 [2024-11-13 14:03:52,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:52,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:52,171 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:52,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Waiting until timeout for monitored process [2024-11-13 14:03:52,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:52,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:52,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:52,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:52,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:52,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:52,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:52,197 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:52,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Ended with exit code 0 [2024-11-13 14:03:52,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:52,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:52,218 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:52,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Waiting until timeout for monitored process [2024-11-13 14:03:52,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:52,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:52,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:52,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:52,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:52,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:52,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:52,243 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:52,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Forceful destruction successful, exit code 0 [2024-11-13 14:03:52,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:52,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:52,262 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:52,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2024-11-13 14:03:52,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:52,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:52,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:52,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:52,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:52,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:52,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:52,280 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:52,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Ended with exit code 0 [2024-11-13 14:03:52,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:52,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:52,294 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:52,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2024-11-13 14:03:52,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:52,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:52,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:52,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:52,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:52,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:52,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:52,311 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:52,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Ended with exit code 0 [2024-11-13 14:03:52,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:52,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:52,325 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:52,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2024-11-13 14:03:52,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:52,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:52,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:52,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:52,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:52,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:52,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:52,344 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:52,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Forceful destruction successful, exit code 0 [2024-11-13 14:03:52,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:52,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:52,367 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:52,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Waiting until timeout for monitored process [2024-11-13 14:03:52,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:52,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:52,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:52,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:52,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:52,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:52,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:52,392 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:03:52,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Forceful destruction successful, exit code 0 [2024-11-13 14:03:52,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:52,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:52,407 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:52,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2024-11-13 14:03:52,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:03:52,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:03:52,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:03:52,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:03:52,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:03:52,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:03:52,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:03:52,431 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:03:52,444 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-13 14:03:52,444 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-13 14:03:52,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:03:52,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:52,447 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:52,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2024-11-13 14:03:52,448 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:03:52,461 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:03:52,461 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:03:52,461 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 48))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 48))_1 Supporting invariants [] [2024-11-13 14:03:52,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Ended with exit code 0 [2024-11-13 14:03:52,522 INFO L156 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2024-11-13 14:03:52,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:03:52,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:03:52,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:03:52,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:52,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 14:03:52,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:52,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Ended with exit code 0 [2024-11-13 14:03:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:53,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:03:53,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:03:53,067 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2024-11-13 14:03:53,067 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 111 states and 139 transitions. cyclomatic complexity: 43 Second operand has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:53,105 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 111 states and 139 transitions. cyclomatic complexity: 43. Second operand has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 112 states and 141 transitions. Complement of second has 4 states. [2024-11-13 14:03:53,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:03:53,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:53,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:03:53,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 95 letters. Loop has 2 letters. [2024-11-13 14:03:53,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:03:53,106 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:03:53,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:53,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 14:03:53,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:53,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:03:53,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:03:53,688 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.14 stem predicates 2 loop predicates [2024-11-13 14:03:53,688 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 111 states and 139 transitions. cyclomatic complexity: 43 Second operand has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:53,726 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 111 states and 139 transitions. cyclomatic complexity: 43. Second operand has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 112 states and 141 transitions. Complement of second has 4 states. [2024-11-13 14:03:53,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:03:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:53,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:03:53,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 95 letters. Loop has 2 letters. [2024-11-13 14:03:53,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:03:53,728 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:03:53,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:53,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 14:03:53,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:54,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:03:54,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:03:54,246 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2024-11-13 14:03:54,246 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 111 states and 139 transitions. cyclomatic complexity: 43 Second operand has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:54,772 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 111 states and 139 transitions. cyclomatic complexity: 43. Second operand has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 137 states and 180 transitions. Complement of second has 32 states. [2024-11-13 14:03:54,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 14 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:03:54,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:54,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 98 transitions. [2024-11-13 14:03:54,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 98 transitions. Stem has 95 letters. Loop has 2 letters. [2024-11-13 14:03:54,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:03:54,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 98 transitions. Stem has 97 letters. Loop has 2 letters. [2024-11-13 14:03:54,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:03:54,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 98 transitions. Stem has 95 letters. Loop has 4 letters. [2024-11-13 14:03:54,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:03:54,774 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 180 transitions. [2024-11-13 14:03:54,775 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:03:54,775 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 132 states and 173 transitions. [2024-11-13 14:03:54,775 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:03:54,775 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:03:54,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 132 states and 173 transitions. [2024-11-13 14:03:54,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:03:54,776 INFO L218 hiAutomatonCegarLoop]: Abstraction has 132 states and 173 transitions. [2024-11-13 14:03:54,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states and 173 transitions. [2024-11-13 14:03:54,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 116. [2024-11-13 14:03:54,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 116 states have (on average 1.25) internal successors, (145), 115 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 145 transitions. [2024-11-13 14:03:54,778 INFO L240 hiAutomatonCegarLoop]: Abstraction has 116 states and 145 transitions. [2024-11-13 14:03:54,778 INFO L424 stractBuchiCegarLoop]: Abstraction has 116 states and 145 transitions. [2024-11-13 14:03:54,778 INFO L331 stractBuchiCegarLoop]: ======== Iteration 30 ============ [2024-11-13 14:03:54,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 145 transitions. [2024-11-13 14:03:54,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:03:54,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:03:54,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:03:54,780 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:03:54,780 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:03:54,780 INFO L745 eck$LassoCheckResult]: Stem: 18197#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 18192#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 18193#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 18198#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 18194#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 18188#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 18189#L521 assume !(main_~val~0#1 < 0); 18234#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 18190#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 18191#L521 assume !(main_~val~0#1 < 0); 18186#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 18187#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 18233#L521 assume !(main_~val~0#1 < 0); 18232#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 18231#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 18230#L521 assume !(main_~val~0#1 < 0); 18229#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 18228#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 18227#L521 assume !(main_~val~0#1 < 0); 18226#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 18225#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 18224#L521 assume !(main_~val~0#1 < 0); 18223#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 18222#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 18221#L521 assume !(main_~val~0#1 < 0); 18220#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 18219#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 18218#L521 assume !(main_~val~0#1 < 0); 18217#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 18216#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 18215#L521 assume !(main_~val~0#1 < 0); 18214#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 18213#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 18212#L521 assume !(main_~val~0#1 < 0); 18211#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 18210#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 18209#L521 assume !(main_~val~0#1 < 0); 18208#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 18207#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 18206#L521 assume !(main_~val~0#1 < 0); 18205#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 18204#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 18202#L521 assume !(main_~val~0#1 < 0); 18203#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 18201#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 18195#L519-3 main_~j~0#1 := 0; 18179#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 18180#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 18293#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 18292#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 18181#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 18182#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 18196#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 18199#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 18200#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 18290#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 18289#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 18288#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 18287#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 18285#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 18284#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 18283#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 18282#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 18280#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 18279#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 18278#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 18277#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 18275#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 18274#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 18273#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 18272#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 18270#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 18269#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 18268#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 18267#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 18265#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 18264#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 18263#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 18262#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 18260#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 18259#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 18258#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 18257#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 18255#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 18254#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 18253#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 18252#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 18250#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 18249#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 18248#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 18247#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 18245#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 18244#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 18243#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 18242#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 18241#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 18238#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 18237#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 18235#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 18184#L527-3 [2024-11-13 14:03:54,781 INFO L747 eck$LassoCheckResult]: Loop: 18184#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 18183#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 18184#L527-3 [2024-11-13 14:03:54,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:54,781 INFO L85 PathProgramCache]: Analyzing trace with hash -277911061, now seen corresponding path program 26 times [2024-11-13 14:03:54,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:54,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830754715] [2024-11-13 14:03:54,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:54,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:55,727 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 276 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:03:55,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:03:55,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830754715] [2024-11-13 14:03:55,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830754715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:03:55,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806568588] [2024-11-13 14:03:55,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:03:55,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:03:55,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:55,731 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:03:55,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (239)] Waiting until timeout for monitored process [2024-11-13 14:03:55,954 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:03:55,955 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:03:55,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 14:03:55,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:56,603 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 325 proven. 247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:03:56,604 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:03:57,159 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 325 proven. 247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:03:57,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806568588] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:03:57,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:03:57,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 46 [2024-11-13 14:03:57,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985906674] [2024-11-13 14:03:57,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:03:57,160 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:03:57,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:57,160 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 26 times [2024-11-13 14:03:57,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:57,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77563953] [2024-11-13 14:03:57,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:57,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:57,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:03:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:57,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:03:57,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:03:57,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-13 14:03:57,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=500, Invalid=1662, Unknown=0, NotChecked=0, Total=2162 [2024-11-13 14:03:57,210 INFO L87 Difference]: Start difference. First operand 116 states and 145 transitions. cyclomatic complexity: 45 Second operand has 47 states, 46 states have (on average 3.5217391304347827) internal successors, (162), 47 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:57,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:03:57,674 INFO L93 Difference]: Finished difference Result 188 states and 232 transitions. [2024-11-13 14:03:57,674 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 188 states and 232 transitions. [2024-11-13 14:03:57,675 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:03:57,676 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 188 states to 121 states and 152 transitions. [2024-11-13 14:03:57,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:03:57,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:03:57,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 152 transitions. [2024-11-13 14:03:57,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:03:57,676 INFO L218 hiAutomatonCegarLoop]: Abstraction has 121 states and 152 transitions. [2024-11-13 14:03:57,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 152 transitions. [2024-11-13 14:03:57,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2024-11-13 14:03:57,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 119 states have (on average 1.2521008403361344) internal successors, (149), 118 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:03:57,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 149 transitions. [2024-11-13 14:03:57,679 INFO L240 hiAutomatonCegarLoop]: Abstraction has 119 states and 149 transitions. [2024-11-13 14:03:57,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-13 14:03:57,680 INFO L424 stractBuchiCegarLoop]: Abstraction has 119 states and 149 transitions. [2024-11-13 14:03:57,680 INFO L331 stractBuchiCegarLoop]: ======== Iteration 31 ============ [2024-11-13 14:03:57,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 149 transitions. [2024-11-13 14:03:57,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:03:57,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:03:57,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:03:57,682 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 14, 14, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:03:57,682 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:03:57,683 INFO L745 eck$LassoCheckResult]: Stem: 19139#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 19134#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 19135#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 19142#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 19136#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 19130#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 19131#L521 assume !(main_~val~0#1 < 0); 19239#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 19132#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 19133#L521 assume !(main_~val~0#1 < 0); 19128#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 19129#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 19238#L521 assume !(main_~val~0#1 < 0); 19237#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 19236#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 19235#L521 assume !(main_~val~0#1 < 0); 19234#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 19233#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 19232#L521 assume !(main_~val~0#1 < 0); 19231#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 19230#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 19229#L521 assume !(main_~val~0#1 < 0); 19228#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 19227#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 19226#L521 assume !(main_~val~0#1 < 0); 19225#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 19224#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 19223#L521 assume !(main_~val~0#1 < 0); 19222#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 19221#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 19220#L521 assume !(main_~val~0#1 < 0); 19219#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 19218#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 19217#L521 assume !(main_~val~0#1 < 0); 19216#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 19215#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 19214#L521 assume !(main_~val~0#1 < 0); 19213#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 19212#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 19211#L521 assume !(main_~val~0#1 < 0); 19210#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 19209#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 19208#L521 assume !(main_~val~0#1 < 0); 19207#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 19206#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 19144#L521 assume !(main_~val~0#1 < 0); 19147#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 19143#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 19137#L519-3 main_~j~0#1 := 0; 19121#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 19122#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19138#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 19203#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 19123#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 19124#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19204#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 19140#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 19141#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 19201#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19200#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 19199#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 19198#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 19196#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19195#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 19194#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 19193#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 19191#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19190#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 19189#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 19188#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 19186#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19185#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 19184#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 19183#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 19181#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19180#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 19179#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 19178#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 19176#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19175#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 19174#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 19173#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 19171#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19170#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 19169#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 19168#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 19166#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19165#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 19164#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 19163#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 19161#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19160#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 19159#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 19158#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 19156#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19155#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 19154#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 19153#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 19152#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19149#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 19148#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 19145#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 19126#L527-3 [2024-11-13 14:03:57,683 INFO L747 eck$LassoCheckResult]: Loop: 19126#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19125#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 19126#L527-3 [2024-11-13 14:03:57,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:57,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1812572367, now seen corresponding path program 27 times [2024-11-13 14:03:57,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:57,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339625357] [2024-11-13 14:03:57,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:57,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:57,777 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:03:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:57,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:03:57,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:57,823 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 27 times [2024-11-13 14:03:57,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:57,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284480642] [2024-11-13 14:03:57,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:57,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:57,828 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:03:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:57,831 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:03:57,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:57,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1874678934, now seen corresponding path program 13 times [2024-11-13 14:03:57,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:57,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038729182] [2024-11-13 14:03:57,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:57,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:57,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:03:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:57,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:04:27,284 WARN L286 SmtUtils]: Spent 29.30s on a formula simplification. DAG size of input: 446 DAG size of output: 326 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-13 14:04:30,579 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:04:30,579 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:04:30,579 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:04:30,579 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:04:30,579 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:04:30,579 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:30,579 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:04:30,579 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:04:30,579 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration31_Lasso [2024-11-13 14:04:30,579 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:04:30,579 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:04:30,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:04:30,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:04:30,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:04:30,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:04:30,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:04:30,591 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:04:30,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:04:30,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:04:30,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:04:30,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:04:30,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:04:35,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:04:35,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:04:35,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:04:35,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:04:36,137 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:04:36,137 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:04:36,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,141 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2024-11-13 14:04:36,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:04:36,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:04:36,165 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:04:36,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Ended with exit code 0 [2024-11-13 14:04:36,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,187 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2024-11-13 14:04:36,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:04:36,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:04:36,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:04:36,207 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:04:36,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Ended with exit code 0 [2024-11-13 14:04:36,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,221 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2024-11-13 14:04:36,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:04:36,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:04:36,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:04:36,236 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:04:36,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Ended with exit code 0 [2024-11-13 14:04:36,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,251 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2024-11-13 14:04:36,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:04:36,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:04:36,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:04:36,265 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:04:36,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Ended with exit code 0 [2024-11-13 14:04:36,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,278 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2024-11-13 14:04:36,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:04:36,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:04:36,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:04:36,293 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:04:36,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Ended with exit code 0 [2024-11-13 14:04:36,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,308 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2024-11-13 14:04:36,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:04:36,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:04:36,324 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:04:36,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Ended with exit code 0 [2024-11-13 14:04:36,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,338 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2024-11-13 14:04:36,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:04:36,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:04:36,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:04:36,352 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:04:36,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Ended with exit code 0 [2024-11-13 14:04:36,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,366 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2024-11-13 14:04:36,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:04:36,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:04:36,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:04:36,380 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:04:36,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Ended with exit code 0 [2024-11-13 14:04:36,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,394 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2024-11-13 14:04:36,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:04:36,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:04:36,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:04:36,437 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:04:36,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Forceful destruction successful, exit code 0 [2024-11-13 14:04:36,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,459 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2024-11-13 14:04:36,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:04:36,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:04:36,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:04:36,480 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:04:36,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Ended with exit code 0 [2024-11-13 14:04:36,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,502 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2024-11-13 14:04:36,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:04:36,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:04:36,532 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:04:36,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Forceful destruction successful, exit code 0 [2024-11-13 14:04:36,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,569 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2024-11-13 14:04:36,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:04:36,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:04:36,595 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:04:36,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Ended with exit code 0 [2024-11-13 14:04:36,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,616 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2024-11-13 14:04:36,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:04:36,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:04:36,634 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:04:36,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Ended with exit code 0 [2024-11-13 14:04:36,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,648 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2024-11-13 14:04:36,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:04:36,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:04:36,670 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:04:36,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Ended with exit code 0 [2024-11-13 14:04:36,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,690 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2024-11-13 14:04:36,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:04:36,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:04:36,710 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:04:36,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Ended with exit code 0 [2024-11-13 14:04:36,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,723 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2024-11-13 14:04:36,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:04:36,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:04:36,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:04:36,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:04:36,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:04:36,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:04:36,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:04:36,744 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:04:36,755 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-13 14:04:36,755 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-13 14:04:36,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:04:36,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:36,759 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:36,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2024-11-13 14:04:36,760 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:04:36,773 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:04:36,773 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:04:36,773 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 52 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 52 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2024-11-13 14:04:36,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Ended with exit code 0 [2024-11-13 14:04:36,826 INFO L156 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2024-11-13 14:04:36,828 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:04:36,828 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:04:36,828 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:04:36,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:04:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:04:36,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 14:04:36,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:04:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:04:37,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:04:37,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:04:37,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:04:37,350 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.15 stem predicates 2 loop predicates [2024-11-13 14:04:37,350 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 119 states and 149 transitions. cyclomatic complexity: 46 Second operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:04:37,384 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 119 states and 149 transitions. cyclomatic complexity: 46. Second operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 120 states and 151 transitions. Complement of second has 4 states. [2024-11-13 14:04:37,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:04:37,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:04:37,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:04:37,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 102 letters. Loop has 2 letters. [2024-11-13 14:04:37,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:04:37,386 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:04:37,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:04:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:04:37,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 14:04:37,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:04:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:04:37,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:04:37,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:04:38,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:04:38,015 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.15 stem predicates 2 loop predicates [2024-11-13 14:04:38,015 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 119 states and 149 transitions. cyclomatic complexity: 46 Second operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:04:38,066 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 119 states and 149 transitions. cyclomatic complexity: 46. Second operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 120 states and 151 transitions. Complement of second has 4 states. [2024-11-13 14:04:38,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:04:38,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:04:38,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:04:38,067 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 102 letters. Loop has 2 letters. [2024-11-13 14:04:38,067 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:04:38,067 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:04:38,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:04:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:04:38,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 14:04:38,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:04:38,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Forceful destruction successful, exit code 0 [2024-11-13 14:04:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:04:38,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:04:38,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:04:38,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:04:38,632 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.15 stem predicates 2 loop predicates [2024-11-13 14:04:38,632 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 119 states and 149 transitions. cyclomatic complexity: 46 Second operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:04:39,222 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 119 states and 149 transitions. cyclomatic complexity: 46. Second operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 146 states and 192 transitions. Complement of second has 34 states. [2024-11-13 14:04:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 19 states 15 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:04:39,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:04:39,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 104 transitions. [2024-11-13 14:04:39,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 104 transitions. Stem has 102 letters. Loop has 2 letters. [2024-11-13 14:04:39,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:04:39,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 104 transitions. Stem has 104 letters. Loop has 2 letters. [2024-11-13 14:04:39,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:04:39,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 104 transitions. Stem has 102 letters. Loop has 4 letters. [2024-11-13 14:04:39,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:04:39,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 146 states and 192 transitions. [2024-11-13 14:04:39,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:04:39,226 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 146 states to 141 states and 185 transitions. [2024-11-13 14:04:39,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:04:39,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:04:39,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141 states and 185 transitions. [2024-11-13 14:04:39,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:04:39,226 INFO L218 hiAutomatonCegarLoop]: Abstraction has 141 states and 185 transitions. [2024-11-13 14:04:39,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states and 185 transitions. [2024-11-13 14:04:39,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 124. [2024-11-13 14:04:39,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.25) internal successors, (155), 123 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:04:39,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 155 transitions. [2024-11-13 14:04:39,230 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 155 transitions. [2024-11-13 14:04:39,230 INFO L424 stractBuchiCegarLoop]: Abstraction has 124 states and 155 transitions. [2024-11-13 14:04:39,230 INFO L331 stractBuchiCegarLoop]: ======== Iteration 32 ============ [2024-11-13 14:04:39,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 155 transitions. [2024-11-13 14:04:39,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:04:39,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:04:39,231 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:04:39,232 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:04:39,232 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:04:39,232 INFO L745 eck$LassoCheckResult]: Stem: 20775#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 20770#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 20771#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 20778#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 20772#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 20766#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 20767#L521 assume !(main_~val~0#1 < 0); 20815#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 20768#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 20769#L521 assume !(main_~val~0#1 < 0); 20764#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 20765#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 20814#L521 assume !(main_~val~0#1 < 0); 20813#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 20812#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 20811#L521 assume !(main_~val~0#1 < 0); 20810#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 20809#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 20808#L521 assume !(main_~val~0#1 < 0); 20807#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 20806#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 20805#L521 assume !(main_~val~0#1 < 0); 20804#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 20803#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 20802#L521 assume !(main_~val~0#1 < 0); 20801#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 20800#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 20799#L521 assume !(main_~val~0#1 < 0); 20798#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 20797#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 20796#L521 assume !(main_~val~0#1 < 0); 20795#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 20794#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 20793#L521 assume !(main_~val~0#1 < 0); 20792#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 20791#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 20790#L521 assume !(main_~val~0#1 < 0); 20789#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 20788#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 20787#L521 assume !(main_~val~0#1 < 0); 20786#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 20785#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 20784#L521 assume !(main_~val~0#1 < 0); 20783#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 20782#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 20780#L521 assume !(main_~val~0#1 < 0); 20781#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 20779#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 20773#L519-3 main_~j~0#1 := 0; 20757#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 20758#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 20879#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 20878#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20759#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 20760#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 20774#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 20776#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20777#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 20876#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 20875#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 20874#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20873#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 20871#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 20870#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 20869#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20868#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 20866#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 20865#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 20864#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20863#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 20861#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 20860#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 20859#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20858#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 20856#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 20855#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 20854#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20853#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 20851#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 20850#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 20849#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20848#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 20846#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 20845#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 20844#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20843#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 20841#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 20840#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 20839#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20838#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 20836#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 20835#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 20834#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20833#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 20831#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 20830#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 20829#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20828#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 20826#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 20825#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 20824#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20823#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 20822#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 20819#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 20818#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20816#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 20762#L527-3 [2024-11-13 14:04:39,233 INFO L747 eck$LassoCheckResult]: Loop: 20762#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 20761#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 20762#L527-3 [2024-11-13 14:04:39,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:04:39,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1975158343, now seen corresponding path program 28 times [2024-11-13 14:04:39,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:04:39,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58329363] [2024-11-13 14:04:39,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:04:39,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:04:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:04:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 325 proven. 340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:04:40,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:04:40,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58329363] [2024-11-13 14:04:40,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58329363] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:04:40,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53872347] [2024-11-13 14:04:40,112 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 14:04:40,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:04:40,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:40,116 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:04:40,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (257)] Waiting until timeout for monitored process [2024-11-13 14:04:40,322 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 14:04:40,322 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:04:40,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 14:04:40,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:04:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 378 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:04:41,114 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:04:41,690 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 378 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:04:41,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53872347] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:04:41,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:04:41,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 49 [2024-11-13 14:04:41,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7589659] [2024-11-13 14:04:41,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:04:41,691 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:04:41,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:04:41,691 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 28 times [2024-11-13 14:04:41,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:04:41,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611059303] [2024-11-13 14:04:41,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:04:41,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:04:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:04:41,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:04:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:04:41,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:04:41,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:04:41,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-13 14:04:41,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=565, Invalid=1885, Unknown=0, NotChecked=0, Total=2450 [2024-11-13 14:04:41,746 INFO L87 Difference]: Start difference. First operand 124 states and 155 transitions. cyclomatic complexity: 48 Second operand has 50 states, 49 states have (on average 3.5306122448979593) internal successors, (173), 50 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:04:42,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:04:42,135 INFO L93 Difference]: Finished difference Result 201 states and 248 transitions. [2024-11-13 14:04:42,135 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 201 states and 248 transitions. [2024-11-13 14:04:42,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:04:42,137 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 201 states to 129 states and 162 transitions. [2024-11-13 14:04:42,137 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:04:42,137 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:04:42,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 162 transitions. [2024-11-13 14:04:42,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:04:42,137 INFO L218 hiAutomatonCegarLoop]: Abstraction has 129 states and 162 transitions. [2024-11-13 14:04:42,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states and 162 transitions. [2024-11-13 14:04:42,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2024-11-13 14:04:42,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 127 states have (on average 1.2519685039370079) internal successors, (159), 126 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:04:42,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 159 transitions. [2024-11-13 14:04:42,140 INFO L240 hiAutomatonCegarLoop]: Abstraction has 127 states and 159 transitions. [2024-11-13 14:04:42,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-13 14:04:42,141 INFO L424 stractBuchiCegarLoop]: Abstraction has 127 states and 159 transitions. [2024-11-13 14:04:42,141 INFO L331 stractBuchiCegarLoop]: ======== Iteration 33 ============ [2024-11-13 14:04:42,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 127 states and 159 transitions. [2024-11-13 14:04:42,141 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:04:42,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:04:42,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:04:42,142 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 15, 15, 15, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:04:42,142 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:04:42,142 INFO L745 eck$LassoCheckResult]: Stem: 21783#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 21778#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 21779#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 21784#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 21780#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 21774#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 21775#L521 assume !(main_~val~0#1 < 0); 21891#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 21776#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 21777#L521 assume !(main_~val~0#1 < 0); 21772#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 21773#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 21890#L521 assume !(main_~val~0#1 < 0); 21889#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 21888#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 21887#L521 assume !(main_~val~0#1 < 0); 21886#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 21885#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 21884#L521 assume !(main_~val~0#1 < 0); 21883#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 21882#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 21881#L521 assume !(main_~val~0#1 < 0); 21880#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 21879#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 21878#L521 assume !(main_~val~0#1 < 0); 21877#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 21876#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 21875#L521 assume !(main_~val~0#1 < 0); 21874#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 21873#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 21872#L521 assume !(main_~val~0#1 < 0); 21871#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 21870#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 21869#L521 assume !(main_~val~0#1 < 0); 21868#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 21867#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 21866#L521 assume !(main_~val~0#1 < 0); 21865#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 21864#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 21863#L521 assume !(main_~val~0#1 < 0); 21862#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 21861#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 21860#L521 assume !(main_~val~0#1 < 0); 21859#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 21858#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 21857#L521 assume !(main_~val~0#1 < 0); 21856#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 21855#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 21788#L521 assume !(main_~val~0#1 < 0); 21791#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 21787#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 21781#L519-3 main_~j~0#1 := 0; 21765#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 21766#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21782#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 21852#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 21767#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 21768#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21853#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 21785#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 21786#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 21850#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21849#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 21848#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 21847#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 21845#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21844#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 21843#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 21842#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 21840#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21839#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 21838#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 21837#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 21835#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21834#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 21833#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 21832#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 21830#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21829#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 21828#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 21827#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 21825#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21824#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 21823#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 21822#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 21820#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21819#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 21818#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 21817#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 21815#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21814#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 21813#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 21812#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 21810#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21809#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 21808#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 21807#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 21805#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21804#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 21803#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 21802#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 21800#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21799#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 21798#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 21797#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 21796#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21793#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 21792#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 21789#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 21770#L527-3 [2024-11-13 14:04:42,143 INFO L747 eck$LassoCheckResult]: Loop: 21770#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21769#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 21770#L527-3 [2024-11-13 14:04:42,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:04:42,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1399767487, now seen corresponding path program 29 times [2024-11-13 14:04:42,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:04:42,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776444468] [2024-11-13 14:04:42,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:04:42,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:04:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:04:42,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:04:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:04:42,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:04:42,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:04:42,271 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 29 times [2024-11-13 14:04:42,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:04:42,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959388323] [2024-11-13 14:04:42,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:04:42,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:04:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:04:42,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:04:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:04:42,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:04:42,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:04:42,282 INFO L85 PathProgramCache]: Analyzing trace with hash -851789914, now seen corresponding path program 14 times [2024-11-13 14:04:42,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:04:42,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261904860] [2024-11-13 14:04:42,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:04:42,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:04:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:04:42,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:04:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:04:42,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:05:57,923 WARN L286 SmtUtils]: Spent 1.26m on a formula simplification. DAG size of input: 475 DAG size of output: 347 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-13 14:06:02,156 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:06:02,156 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:06:02,156 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:06:02,156 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:06:02,156 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:06:02,156 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:02,156 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:06:02,156 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:06:02,157 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration33_Lasso [2024-11-13 14:06:02,157 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:06:02,157 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:06:02,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:06:02,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:06:02,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:06:02,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:06:02,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:06:02,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:06:02,172 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:06:02,174 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:06:02,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:06:02,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:06:02,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:06:02,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:06:02,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:06:02,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:06:02,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:06:22,778 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:06:22,778 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:06:22,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:22,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:22,780 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:22,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2024-11-13 14:06:22,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:22,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:22,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:22,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:22,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:22,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:22,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:22,797 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:22,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Ended with exit code 0 [2024-11-13 14:06:22,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:22,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:22,818 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:22,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2024-11-13 14:06:22,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:22,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:22,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:06:22,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:22,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:22,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:22,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:06:22,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:06:22,842 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:22,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Forceful destruction successful, exit code 0 [2024-11-13 14:06:22,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:22,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:22,864 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:22,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Waiting until timeout for monitored process [2024-11-13 14:06:22,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:22,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:22,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:06:22,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:22,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:22,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:22,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:06:22,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:06:22,883 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:22,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Forceful destruction successful, exit code 0 [2024-11-13 14:06:22,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:22,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:22,903 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:22,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2024-11-13 14:06:22,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:22,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:22,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:22,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:22,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:22,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:22,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:22,924 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:22,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Forceful destruction successful, exit code 0 [2024-11-13 14:06:22,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:22,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:22,944 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:22,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2024-11-13 14:06:22,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:22,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:22,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:06:22,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:22,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:22,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:22,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:06:22,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:06:22,964 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:22,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Forceful destruction successful, exit code 0 [2024-11-13 14:06:22,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:22,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:22,984 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:22,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2024-11-13 14:06:22,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:06:23,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:06:23,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:06:23,004 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Forceful destruction successful, exit code 0 [2024-11-13 14:06:23,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,024 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2024-11-13 14:06:23,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,045 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Ended with exit code 0 [2024-11-13 14:06:23,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,065 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2024-11-13 14:06:23,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:06:23,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:06:23,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:06:23,084 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Forceful destruction successful, exit code 0 [2024-11-13 14:06:23,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,103 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2024-11-13 14:06:23,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:06:23,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:06:23,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:06:23,121 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Ended with exit code 0 [2024-11-13 14:06:23,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,141 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2024-11-13 14:06:23,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:06:23,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:06:23,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:06:23,161 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Ended with exit code 0 [2024-11-13 14:06:23,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,181 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2024-11-13 14:06:23,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:06:23,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:06:23,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:06:23,199 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Forceful destruction successful, exit code 0 [2024-11-13 14:06:23,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,218 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2024-11-13 14:06:23,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:06:23,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:06:23,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:06:23,239 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Forceful destruction successful, exit code 0 [2024-11-13 14:06:23,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,257 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2024-11-13 14:06:23,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:06:23,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:06:23,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:06:23,276 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Forceful destruction successful, exit code 0 [2024-11-13 14:06:23,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,297 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Waiting until timeout for monitored process [2024-11-13 14:06:23,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:06:23,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:06:23,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:06:23,315 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Forceful destruction successful, exit code 0 [2024-11-13 14:06:23,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,332 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Waiting until timeout for monitored process [2024-11-13 14:06:23,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,353 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Ended with exit code 0 [2024-11-13 14:06:23,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,367 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Waiting until timeout for monitored process [2024-11-13 14:06:23,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,387 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Ended with exit code 0 [2024-11-13 14:06:23,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,400 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Waiting until timeout for monitored process [2024-11-13 14:06:23,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,419 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Ended with exit code 0 [2024-11-13 14:06:23,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,432 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Waiting until timeout for monitored process [2024-11-13 14:06:23,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,452 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Ended with exit code 0 [2024-11-13 14:06:23,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,465 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Waiting until timeout for monitored process [2024-11-13 14:06:23,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,484 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Ended with exit code 0 [2024-11-13 14:06:23,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,497 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Waiting until timeout for monitored process [2024-11-13 14:06:23,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,517 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Ended with exit code 0 [2024-11-13 14:06:23,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,529 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Waiting until timeout for monitored process [2024-11-13 14:06:23,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,549 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Forceful destruction successful, exit code 0 [2024-11-13 14:06:23,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,562 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Waiting until timeout for monitored process [2024-11-13 14:06:23,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,578 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,583 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Ended with exit code 0 [2024-11-13 14:06:23,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,595 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Waiting until timeout for monitored process [2024-11-13 14:06:23,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,612 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Ended with exit code 0 [2024-11-13 14:06:23,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,625 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Waiting until timeout for monitored process [2024-11-13 14:06:23,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,643 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Ended with exit code 0 [2024-11-13 14:06:23,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,656 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Waiting until timeout for monitored process [2024-11-13 14:06:23,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,671 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,676 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Ended with exit code 0 [2024-11-13 14:06:23,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,689 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Waiting until timeout for monitored process [2024-11-13 14:06:23,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,709 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Ended with exit code 0 [2024-11-13 14:06:23,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,722 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Waiting until timeout for monitored process [2024-11-13 14:06:23,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,742 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Forceful destruction successful, exit code 0 [2024-11-13 14:06:23,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,754 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Waiting until timeout for monitored process [2024-11-13 14:06:23,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,769 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,774 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Ended with exit code 0 [2024-11-13 14:06:23,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,787 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Waiting until timeout for monitored process [2024-11-13 14:06:23,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,803 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Ended with exit code 0 [2024-11-13 14:06:23,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,816 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Waiting until timeout for monitored process [2024-11-13 14:06:23,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,838 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:06:23,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Forceful destruction successful, exit code 0 [2024-11-13 14:06:23,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,851 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Waiting until timeout for monitored process [2024-11-13 14:06:23,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:06:23,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:06:23,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:06:23,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:06:23,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:06:23,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:06:23,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:06:23,873 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:06:23,882 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-13 14:06:23,882 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-13 14:06:23,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:06:23,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,884 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Waiting until timeout for monitored process [2024-11-13 14:06:23,885 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:06:23,897 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:06:23,897 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:06:23,897 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 56 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 56 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2024-11-13 14:06:23,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Ended with exit code 0 [2024-11-13 14:06:24,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Ended with exit code 0 [2024-11-13 14:06:24,246 INFO L156 tatePredicateManager]: 32 out of 33 supporting invariants were superfluous and have been removed [2024-11-13 14:06:24,247 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:06:24,247 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:06:24,247 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:06:24,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:06:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:24,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 14:06:24,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:06:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:24,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:06:24,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:06:24,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:06:24,768 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2024-11-13 14:06:24,769 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 127 states and 159 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:06:24,806 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 127 states and 159 transitions. cyclomatic complexity: 49. Second operand has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 128 states and 161 transitions. Complement of second has 4 states. [2024-11-13 14:06:24,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:06:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:06:24,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:06:24,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 109 letters. Loop has 2 letters. [2024-11-13 14:06:24,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:06:24,807 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:06:24,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:06:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:24,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 14:06:24,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:06:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:25,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:06:25,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:06:25,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:06:25,334 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.16 stem predicates 2 loop predicates [2024-11-13 14:06:25,334 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 127 states and 159 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:06:25,367 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 127 states and 159 transitions. cyclomatic complexity: 49. Second operand has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 128 states and 161 transitions. Complement of second has 4 states. [2024-11-13 14:06:25,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:06:25,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:06:25,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:06:25,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 109 letters. Loop has 2 letters. [2024-11-13 14:06:25,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:06:25,368 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:06:25,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:06:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:25,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 14:06:25,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:06:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:25,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:06:25,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:06:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:06:25,964 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2024-11-13 14:06:25,964 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 127 states and 159 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:06:26,565 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 127 states and 159 transitions. cyclomatic complexity: 49. Second operand has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 155 states and 204 transitions. Complement of second has 36 states. [2024-11-13 14:06:26,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 16 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:06:26,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:06:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 110 transitions. [2024-11-13 14:06:26,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 110 transitions. Stem has 109 letters. Loop has 2 letters. [2024-11-13 14:06:26,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:06:26,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 110 transitions. Stem has 111 letters. Loop has 2 letters. [2024-11-13 14:06:26,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:06:26,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 110 transitions. Stem has 109 letters. Loop has 4 letters. [2024-11-13 14:06:26,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:06:26,567 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 204 transitions. [2024-11-13 14:06:26,568 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:06:26,568 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 150 states and 197 transitions. [2024-11-13 14:06:26,569 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:06:26,569 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:06:26,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 197 transitions. [2024-11-13 14:06:26,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:06:26,569 INFO L218 hiAutomatonCegarLoop]: Abstraction has 150 states and 197 transitions. [2024-11-13 14:06:26,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 197 transitions. [2024-11-13 14:06:26,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 132. [2024-11-13 14:06:26,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 132 states have (on average 1.25) internal successors, (165), 131 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:06:26,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 165 transitions. [2024-11-13 14:06:26,571 INFO L240 hiAutomatonCegarLoop]: Abstraction has 132 states and 165 transitions. [2024-11-13 14:06:26,571 INFO L424 stractBuchiCegarLoop]: Abstraction has 132 states and 165 transitions. [2024-11-13 14:06:26,571 INFO L331 stractBuchiCegarLoop]: ======== Iteration 34 ============ [2024-11-13 14:06:26,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 165 transitions. [2024-11-13 14:06:26,572 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:06:26,572 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:06:26,572 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:06:26,573 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:06:26,573 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:06:26,573 INFO L745 eck$LassoCheckResult]: Stem: 23581#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 23576#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 23577#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 23584#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 23578#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 23572#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 23573#L521 assume !(main_~val~0#1 < 0); 23624#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 23574#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 23575#L521 assume !(main_~val~0#1 < 0); 23570#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 23571#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 23623#L521 assume !(main_~val~0#1 < 0); 23622#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 23621#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 23620#L521 assume !(main_~val~0#1 < 0); 23619#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 23618#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 23617#L521 assume !(main_~val~0#1 < 0); 23616#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 23615#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 23614#L521 assume !(main_~val~0#1 < 0); 23613#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 23612#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 23611#L521 assume !(main_~val~0#1 < 0); 23610#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 23609#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 23608#L521 assume !(main_~val~0#1 < 0); 23607#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 23606#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 23605#L521 assume !(main_~val~0#1 < 0); 23604#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 23603#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 23602#L521 assume !(main_~val~0#1 < 0); 23601#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 23600#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 23599#L521 assume !(main_~val~0#1 < 0); 23598#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 23597#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 23596#L521 assume !(main_~val~0#1 < 0); 23595#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 23594#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 23593#L521 assume !(main_~val~0#1 < 0); 23592#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 23591#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 23590#L521 assume !(main_~val~0#1 < 0); 23589#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 23588#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 23586#L521 assume !(main_~val~0#1 < 0); 23587#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 23585#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 23579#L519-3 main_~j~0#1 := 0; 23563#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23564#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23693#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 23692#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 23565#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23566#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23580#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 23582#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 23583#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23690#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23689#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 23688#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 23687#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23685#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23684#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 23683#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 23682#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23680#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23679#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 23678#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 23677#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23675#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23674#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 23673#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 23672#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23670#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23669#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 23668#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 23667#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23665#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23664#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 23663#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 23662#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23660#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23659#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 23658#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 23657#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23655#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23654#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 23653#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 23652#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23650#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23649#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 23648#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 23647#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23645#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23644#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 23643#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 23642#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23640#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23639#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 23638#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 23637#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23635#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23634#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 23633#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 23632#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23631#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23628#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 23627#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 23625#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 23568#L527-3 [2024-11-13 14:06:26,573 INFO L747 eck$LassoCheckResult]: Loop: 23568#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23567#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 23568#L527-3 [2024-11-13 14:06:26,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:06:26,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1768645975, now seen corresponding path program 30 times [2024-11-13 14:06:26,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:06:26,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221806188] [2024-11-13 14:06:26,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:06:26,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:06:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:27,552 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 378 proven. 387 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:06:27,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:06:27,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221806188] [2024-11-13 14:06:27,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221806188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:06:27,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007106994] [2024-11-13 14:06:27,552 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 14:06:27,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:06:27,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:27,554 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:06:27,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (290)] Waiting until timeout for monitored process [2024-11-13 14:06:28,484 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-11-13 14:06:28,484 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:06:28,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 14:06:28,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:06:29,259 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 435 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:06:29,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:06:29,806 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 435 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:06:29,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007106994] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:06:29,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:06:29,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 52 [2024-11-13 14:06:29,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214401470] [2024-11-13 14:06:29,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:06:29,806 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:06:29,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:06:29,807 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 30 times [2024-11-13 14:06:29,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:06:29,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385854650] [2024-11-13 14:06:29,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:06:29,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:06:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:06:29,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:06:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:06:29,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:06:29,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:06:29,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-13 14:06:29,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=634, Invalid=2122, Unknown=0, NotChecked=0, Total=2756 [2024-11-13 14:06:29,851 INFO L87 Difference]: Start difference. First operand 132 states and 165 transitions. cyclomatic complexity: 51 Second operand has 53 states, 52 states have (on average 3.5384615384615383) internal successors, (184), 53 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:06:30,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:06:30,229 INFO L93 Difference]: Finished difference Result 214 states and 264 transitions. [2024-11-13 14:06:30,229 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 264 transitions. [2024-11-13 14:06:30,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:06:30,231 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 137 states and 172 transitions. [2024-11-13 14:06:30,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:06:30,231 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:06:30,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 172 transitions. [2024-11-13 14:06:30,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:06:30,231 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 172 transitions. [2024-11-13 14:06:30,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 172 transitions. [2024-11-13 14:06:30,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2024-11-13 14:06:30,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 135 states have (on average 1.2518518518518518) internal successors, (169), 134 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:06:30,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 169 transitions. [2024-11-13 14:06:30,234 INFO L240 hiAutomatonCegarLoop]: Abstraction has 135 states and 169 transitions. [2024-11-13 14:06:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-13 14:06:30,234 INFO L424 stractBuchiCegarLoop]: Abstraction has 135 states and 169 transitions. [2024-11-13 14:06:30,234 INFO L331 stractBuchiCegarLoop]: ======== Iteration 35 ============ [2024-11-13 14:06:30,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 135 states and 169 transitions. [2024-11-13 14:06:30,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:06:30,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:06:30,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:06:30,236 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 16, 16, 16, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:06:30,236 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:06:30,236 INFO L745 eck$LassoCheckResult]: Stem: 24655#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 24650#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 24651#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 24658#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 24652#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 24646#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24647#L521 assume !(main_~val~0#1 < 0); 24771#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24648#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24649#L521 assume !(main_~val~0#1 < 0); 24644#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24645#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24770#L521 assume !(main_~val~0#1 < 0); 24769#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24768#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24767#L521 assume !(main_~val~0#1 < 0); 24766#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24765#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24764#L521 assume !(main_~val~0#1 < 0); 24763#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24762#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24761#L521 assume !(main_~val~0#1 < 0); 24760#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24759#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24758#L521 assume !(main_~val~0#1 < 0); 24757#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24756#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24755#L521 assume !(main_~val~0#1 < 0); 24754#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24753#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24752#L521 assume !(main_~val~0#1 < 0); 24751#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24750#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24749#L521 assume !(main_~val~0#1 < 0); 24748#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24747#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24746#L521 assume !(main_~val~0#1 < 0); 24745#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24744#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24743#L521 assume !(main_~val~0#1 < 0); 24742#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24741#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24740#L521 assume !(main_~val~0#1 < 0); 24739#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24738#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24737#L521 assume !(main_~val~0#1 < 0); 24736#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24735#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24734#L521 assume !(main_~val~0#1 < 0); 24733#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24732#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 24660#L521 assume !(main_~val~0#1 < 0); 24663#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24659#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 24653#L519-3 main_~j~0#1 := 0; 24637#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24638#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24654#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 24729#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 24639#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24640#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24730#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 24656#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 24657#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24727#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24726#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 24725#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 24724#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24722#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24721#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 24720#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 24719#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24717#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24716#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 24715#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 24714#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24712#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24711#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 24710#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 24709#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24707#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24706#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 24705#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 24704#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24702#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24701#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 24700#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 24699#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24697#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24696#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 24695#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 24694#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24692#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24691#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 24690#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 24689#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24687#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24686#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 24685#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 24684#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24682#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24681#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 24680#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 24679#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24677#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24676#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 24675#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 24674#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24672#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24671#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 24670#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 24669#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24668#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24665#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 24664#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 24661#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 24642#L527-3 [2024-11-13 14:06:30,236 INFO L747 eck$LassoCheckResult]: Loop: 24642#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24641#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 24642#L527-3 [2024-11-13 14:06:30,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:06:30,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1590599709, now seen corresponding path program 31 times [2024-11-13 14:06:30,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:06:30,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044746647] [2024-11-13 14:06:30,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:06:30,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:06:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:06:30,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:06:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:06:30,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:06:30,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:06:30,339 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 31 times [2024-11-13 14:06:30,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:06:30,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219788619] [2024-11-13 14:06:30,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:06:30,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:06:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:06:30,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:06:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:06:30,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:06:30,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:06:30,365 INFO L85 PathProgramCache]: Analyzing trace with hash -442035582, now seen corresponding path program 15 times [2024-11-13 14:06:30,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:06:30,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277565112] [2024-11-13 14:06:30,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:06:30,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:06:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:06:30,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:06:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:06:30,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:08:12,230 WARN L286 SmtUtils]: Spent 1.70m on a formula simplification. DAG size of input: 504 DAG size of output: 365 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-13 14:08:13,518 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:08:13,518 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:08:13,518 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:08:13,518 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:08:13,518 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:08:13,518 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:08:13,518 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:08:13,519 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:08:13,519 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration35_Lasso [2024-11-13 14:08:13,519 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:08:13,519 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:08:13,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:08:13,522 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:08:13,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:08:18,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:08:18,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:08:18,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:08:18,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:08:18,917 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:08:18,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:08:18,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:08:18,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:08:18,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:08:18,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:08:18,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:08:18,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:08:19,701 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:08:19,701 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:08:19,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:08:19,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:08:19,703 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:08:19,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Waiting until timeout for monitored process [2024-11-13 14:08:19,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:08:19,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:08:19,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:08:19,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:08:19,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:08:19,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:08:19,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:08:19,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:08:19,717 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:08:19,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Ended with exit code 0 [2024-11-13 14:08:19,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:08:19,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:08:19,731 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:08:19,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Waiting until timeout for monitored process [2024-11-13 14:08:19,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:08:19,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:08:19,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:08:19,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:08:19,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:08:19,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:08:19,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:08:19,748 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:08:19,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Ended with exit code 0 [2024-11-13 14:08:19,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:08:19,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:08:19,760 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:08:19,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Waiting until timeout for monitored process [2024-11-13 14:08:19,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:08:19,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:08:19,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:08:19,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:08:19,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:08:19,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:08:19,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:08:19,784 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:08:19,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Ended with exit code 0 [2024-11-13 14:08:19,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:08:19,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:08:19,797 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:08:19,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Waiting until timeout for monitored process [2024-11-13 14:08:19,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:08:19,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:08:19,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:08:19,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:08:19,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:08:19,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:08:19,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:08:19,817 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:08:19,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Ended with exit code 0 [2024-11-13 14:08:19,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:08:19,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:08:19,833 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:08:19,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Waiting until timeout for monitored process [2024-11-13 14:08:19,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:08:19,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:08:19,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:08:19,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:08:19,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:08:19,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:08:19,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:08:19,852 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:08:19,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Ended with exit code 0 [2024-11-13 14:08:19,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:08:19,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:08:19,866 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:08:19,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Waiting until timeout for monitored process [2024-11-13 14:08:19,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:08:19,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:08:19,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:08:19,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:08:19,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:08:19,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:08:19,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:08:19,887 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:08:19,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Ended with exit code 0 [2024-11-13 14:08:19,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:08:19,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:08:19,900 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:08:19,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Waiting until timeout for monitored process [2024-11-13 14:08:19,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:08:19,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:08:19,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:08:19,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:08:19,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:08:19,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:08:19,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:08:19,920 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:08:19,929 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-13 14:08:19,929 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-13 14:08:19,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:08:19,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:08:19,932 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:08:19,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Waiting until timeout for monitored process [2024-11-13 14:08:19,934 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:08:19,952 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:08:19,952 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:08:19,952 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 60)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 60)_1 Supporting invariants [] [2024-11-13 14:08:19,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Forceful destruction successful, exit code 0 [2024-11-13 14:08:20,233 INFO L156 tatePredicateManager]: 64 out of 65 supporting invariants were superfluous and have been removed [2024-11-13 14:08:20,234 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:08:20,235 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:08:20,235 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:08:20,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:20,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 14:08:20,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:08:20,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Ended with exit code 0 [2024-11-13 14:08:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:21,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:08:21,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:08:21,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:08:21,081 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.18 stem predicates 2 loop predicates [2024-11-13 14:08:21,081 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 135 states and 169 transitions. cyclomatic complexity: 52 Second operand has 20 states, 20 states have (on average 3.65) internal successors, (73), 20 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:08:21,141 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 135 states and 169 transitions. cyclomatic complexity: 52. Second operand has 20 states, 20 states have (on average 3.65) internal successors, (73), 20 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 136 states and 171 transitions. Complement of second has 5 states. [2024-11-13 14:08:21,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:08:21,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.65) internal successors, (73), 20 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:08:21,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-13 14:08:21,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 116 letters. Loop has 2 letters. [2024-11-13 14:08:21,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:08:21,142 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:08:21,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:21,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 14:08:21,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:08:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:22,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:08:22,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:08:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:08:22,036 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.18 stem predicates 2 loop predicates [2024-11-13 14:08:22,036 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 135 states and 169 transitions. cyclomatic complexity: 52 Second operand has 20 states, 20 states have (on average 3.65) internal successors, (73), 20 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:08:22,107 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 135 states and 169 transitions. cyclomatic complexity: 52. Second operand has 20 states, 20 states have (on average 3.65) internal successors, (73), 20 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 136 states and 171 transitions. Complement of second has 5 states. [2024-11-13 14:08:22,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:08:22,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.65) internal successors, (73), 20 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:08:22,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-13 14:08:22,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 116 letters. Loop has 2 letters. [2024-11-13 14:08:22,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:08:22,110 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:08:22,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:22,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 14:08:22,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:08:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:22,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:08:22,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:08:22,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:08:22,988 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.18 stem predicates 2 loop predicates [2024-11-13 14:08:22,989 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 135 states and 169 transitions. cyclomatic complexity: 52 Second operand has 20 states, 20 states have (on average 3.65) internal successors, (73), 20 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:08:23,673 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 135 states and 169 transitions. cyclomatic complexity: 52. Second operand has 20 states, 20 states have (on average 3.65) internal successors, (73), 20 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 164 states and 216 transitions. Complement of second has 39 states. [2024-11-13 14:08:23,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 22 states 18 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:08:23,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.65) internal successors, (73), 20 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:08:23,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 116 transitions. [2024-11-13 14:08:23,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 116 transitions. Stem has 116 letters. Loop has 2 letters. [2024-11-13 14:08:23,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:08:23,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 116 transitions. Stem has 118 letters. Loop has 2 letters. [2024-11-13 14:08:23,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:08:23,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 116 transitions. Stem has 116 letters. Loop has 4 letters. [2024-11-13 14:08:23,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:08:23,675 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 164 states and 216 transitions. [2024-11-13 14:08:23,676 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:08:23,677 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 164 states to 159 states and 209 transitions. [2024-11-13 14:08:23,677 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:08:23,677 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:08:23,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 159 states and 209 transitions. [2024-11-13 14:08:23,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:08:23,677 INFO L218 hiAutomatonCegarLoop]: Abstraction has 159 states and 209 transitions. [2024-11-13 14:08:23,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states and 209 transitions. [2024-11-13 14:08:23,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 140. [2024-11-13 14:08:23,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 140 states have (on average 1.25) internal successors, (175), 139 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:08:23,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 175 transitions. [2024-11-13 14:08:23,680 INFO L240 hiAutomatonCegarLoop]: Abstraction has 140 states and 175 transitions. [2024-11-13 14:08:23,680 INFO L424 stractBuchiCegarLoop]: Abstraction has 140 states and 175 transitions. [2024-11-13 14:08:23,680 INFO L331 stractBuchiCegarLoop]: ======== Iteration 36 ============ [2024-11-13 14:08:23,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 140 states and 175 transitions. [2024-11-13 14:08:23,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:08:23,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:08:23,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:08:23,681 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:08:23,682 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:08:23,682 INFO L745 eck$LassoCheckResult]: Stem: 26695#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 26690#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 26691#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 26698#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 26692#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 26686#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26687#L521 assume !(main_~val~0#1 < 0); 26741#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26688#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26689#L521 assume !(main_~val~0#1 < 0); 26684#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26685#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26740#L521 assume !(main_~val~0#1 < 0); 26739#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26738#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26737#L521 assume !(main_~val~0#1 < 0); 26736#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26735#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26734#L521 assume !(main_~val~0#1 < 0); 26733#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26732#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26731#L521 assume !(main_~val~0#1 < 0); 26730#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26729#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26728#L521 assume !(main_~val~0#1 < 0); 26727#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26726#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26725#L521 assume !(main_~val~0#1 < 0); 26724#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26723#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26722#L521 assume !(main_~val~0#1 < 0); 26721#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26720#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26719#L521 assume !(main_~val~0#1 < 0); 26718#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26717#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26716#L521 assume !(main_~val~0#1 < 0); 26715#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26714#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26713#L521 assume !(main_~val~0#1 < 0); 26712#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26711#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26710#L521 assume !(main_~val~0#1 < 0); 26709#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26708#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26707#L521 assume !(main_~val~0#1 < 0); 26706#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26705#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26704#L521 assume !(main_~val~0#1 < 0); 26703#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26702#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 26700#L521 assume !(main_~val~0#1 < 0); 26701#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26699#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 26693#L519-3 main_~j~0#1 := 0; 26677#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26678#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26815#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26814#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26679#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26680#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26694#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26696#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26697#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26812#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26811#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26810#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26809#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26807#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26806#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26805#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26804#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26802#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26801#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26800#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26799#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26797#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26796#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26795#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26794#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26792#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26791#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26790#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26789#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26787#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26786#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26785#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26784#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26782#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26781#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26780#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26779#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26777#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26776#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26775#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26774#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26772#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26771#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26770#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26769#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26767#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26766#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26765#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26764#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26762#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26761#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26760#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26759#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26757#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26756#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26755#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26754#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26752#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26751#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26750#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26749#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26748#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26745#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 26744#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 26742#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 26682#L527-3 [2024-11-13 14:08:23,682 INFO L747 eck$LassoCheckResult]: Loop: 26682#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 26681#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 26682#L527-3 [2024-11-13 14:08:23,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:23,683 INFO L85 PathProgramCache]: Analyzing trace with hash 405567795, now seen corresponding path program 32 times [2024-11-13 14:08:23,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:23,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147305522] [2024-11-13 14:08:23,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:23,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 435 proven. 437 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:08:24,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:08:24,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147305522] [2024-11-13 14:08:24,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147305522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:08:24,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108068003] [2024-11-13 14:08:24,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:08:24,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:08:24,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:08:24,754 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:08:24,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (299)] Waiting until timeout for monitored process [2024-11-13 14:08:24,984 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:08:24,984 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:08:24,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 14:08:24,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:08:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 496 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:08:25,836 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:08:26,481 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 496 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:08:26,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108068003] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:08:26,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:08:26,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 55 [2024-11-13 14:08:26,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676822315] [2024-11-13 14:08:26,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:08:26,482 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:08:26,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:26,482 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 32 times [2024-11-13 14:08:26,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:26,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58804120] [2024-11-13 14:08:26,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:26,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:08:26,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:08:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:08:26,487 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:08:26,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:08:26,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-13 14:08:26,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=707, Invalid=2373, Unknown=0, NotChecked=0, Total=3080 [2024-11-13 14:08:26,521 INFO L87 Difference]: Start difference. First operand 140 states and 175 transitions. cyclomatic complexity: 54 Second operand has 56 states, 55 states have (on average 3.5454545454545454) internal successors, (195), 56 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:08:26,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:08:26,926 INFO L93 Difference]: Finished difference Result 227 states and 280 transitions. [2024-11-13 14:08:26,926 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 227 states and 280 transitions. [2024-11-13 14:08:26,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:08:26,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 227 states to 145 states and 182 transitions. [2024-11-13 14:08:26,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:08:26,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:08:26,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 182 transitions. [2024-11-13 14:08:26,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:08:26,928 INFO L218 hiAutomatonCegarLoop]: Abstraction has 145 states and 182 transitions. [2024-11-13 14:08:26,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 182 transitions. [2024-11-13 14:08:26,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2024-11-13 14:08:26,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 143 states have (on average 1.2517482517482517) internal successors, (179), 142 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:08:26,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 179 transitions. [2024-11-13 14:08:26,930 INFO L240 hiAutomatonCegarLoop]: Abstraction has 143 states and 179 transitions. [2024-11-13 14:08:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-13 14:08:26,931 INFO L424 stractBuchiCegarLoop]: Abstraction has 143 states and 179 transitions. [2024-11-13 14:08:26,931 INFO L331 stractBuchiCegarLoop]: ======== Iteration 37 ============ [2024-11-13 14:08:26,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states and 179 transitions. [2024-11-13 14:08:26,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:08:26,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:08:26,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:08:26,932 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [17, 17, 17, 17, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:08:26,932 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:08:26,933 INFO L745 eck$LassoCheckResult]: Stem: 27835#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 27830#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 27831#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 27838#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 27832#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 27826#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27827#L521 assume !(main_~val~0#1 < 0); 27959#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27828#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27829#L521 assume !(main_~val~0#1 < 0); 27824#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27825#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27958#L521 assume !(main_~val~0#1 < 0); 27957#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27956#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27955#L521 assume !(main_~val~0#1 < 0); 27954#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27953#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27952#L521 assume !(main_~val~0#1 < 0); 27951#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27950#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27949#L521 assume !(main_~val~0#1 < 0); 27948#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27947#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27946#L521 assume !(main_~val~0#1 < 0); 27945#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27944#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27943#L521 assume !(main_~val~0#1 < 0); 27942#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27941#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27940#L521 assume !(main_~val~0#1 < 0); 27939#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27938#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27937#L521 assume !(main_~val~0#1 < 0); 27936#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27935#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27934#L521 assume !(main_~val~0#1 < 0); 27933#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27932#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27931#L521 assume !(main_~val~0#1 < 0); 27930#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27929#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27928#L521 assume !(main_~val~0#1 < 0); 27927#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27926#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27925#L521 assume !(main_~val~0#1 < 0); 27924#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27923#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27922#L521 assume !(main_~val~0#1 < 0); 27921#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27920#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27919#L521 assume !(main_~val~0#1 < 0); 27918#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27917#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 27840#L521 assume !(main_~val~0#1 < 0); 27843#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27839#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 27833#L519-3 main_~j~0#1 := 0; 27817#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27818#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27834#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27914#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27819#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27820#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27915#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27836#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27837#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27912#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27911#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27910#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27909#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27907#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27906#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27905#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27904#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27902#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27901#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27900#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27899#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27897#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27896#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27895#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27894#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27892#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27891#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27890#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27889#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27887#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27886#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27885#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27884#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27882#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27881#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27880#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27879#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27877#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27876#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27875#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27874#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27872#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27871#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27870#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27869#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27867#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27866#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27865#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27864#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27862#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27861#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27860#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27859#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27857#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27856#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27855#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27854#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27852#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27851#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27850#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27849#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27848#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27845#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 27844#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 27841#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 27822#L527-3 [2024-11-13 14:08:26,933 INFO L747 eck$LassoCheckResult]: Loop: 27822#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27821#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 27822#L527-3 [2024-11-13 14:08:26,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:26,933 INFO L85 PathProgramCache]: Analyzing trace with hash 968668077, now seen corresponding path program 33 times [2024-11-13 14:08:26,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:26,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423827301] [2024-11-13 14:08:26,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:26,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:08:27,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:08:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:08:27,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:08:27,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:27,090 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 33 times [2024-11-13 14:08:27,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:27,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56271889] [2024-11-13 14:08:27,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:27,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:08:27,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:08:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:08:27,096 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:08:27,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:27,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1117879790, now seen corresponding path program 16 times [2024-11-13 14:08:27,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:27,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398170335] [2024-11-13 14:08:27,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:27,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:08:27,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:08:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:08:27,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:10:25,727 WARN L286 SmtUtils]: Spent 1.97m on a formula simplification. DAG size of input: 533 DAG size of output: 392 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-13 14:10:34,324 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:10:34,325 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:10:34,325 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:10:34,325 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:10:34,325 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:10:34,325 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:10:34,325 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:10:34,325 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:10:34,325 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration37_Lasso [2024-11-13 14:10:34,325 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:10:34,325 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:10:34,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:10:34,329 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:10:34,331 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:10:34,333 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:10:34,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:10:34,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:10:34,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:10:34,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:10:34,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:10:34,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:10:34,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:10:34,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:10:34,348 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:10:34,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:10:34,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:11:28,132 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:11:28,132 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:11:28,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,134 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Waiting until timeout for monitored process [2024-11-13 14:11:28,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:11:28,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:11:28,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:11:28,150 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Ended with exit code 0 [2024-11-13 14:11:28,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,172 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Waiting until timeout for monitored process [2024-11-13 14:11:28,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:28,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:28,194 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Ended with exit code 0 [2024-11-13 14:11:28,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,215 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Waiting until timeout for monitored process [2024-11-13 14:11:28,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:11:28,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:11:28,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:11:28,236 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Ended with exit code 0 [2024-11-13 14:11:28,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,256 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Waiting until timeout for monitored process [2024-11-13 14:11:28,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:28,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:28,278 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Forceful destruction successful, exit code 0 [2024-11-13 14:11:28,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,303 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Waiting until timeout for monitored process [2024-11-13 14:11:28,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:11:28,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:11:28,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:11:28,326 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Forceful destruction successful, exit code 0 [2024-11-13 14:11:28,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,347 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Waiting until timeout for monitored process [2024-11-13 14:11:28,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:11:28,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:11:28,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:11:28,365 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Ended with exit code 0 [2024-11-13 14:11:28,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,386 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Waiting until timeout for monitored process [2024-11-13 14:11:28,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:11:28,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:11:28,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:11:28,405 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Forceful destruction successful, exit code 0 [2024-11-13 14:11:28,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,425 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Waiting until timeout for monitored process [2024-11-13 14:11:28,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:28,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:28,446 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Ended with exit code 0 [2024-11-13 14:11:28,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,467 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Waiting until timeout for monitored process [2024-11-13 14:11:28,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:11:28,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:11:28,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:11:28,492 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Forceful destruction successful, exit code 0 [2024-11-13 14:11:28,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,512 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Waiting until timeout for monitored process [2024-11-13 14:11:28,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:11:28,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:11:28,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:11:28,533 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Forceful destruction successful, exit code 0 [2024-11-13 14:11:28,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,553 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Waiting until timeout for monitored process [2024-11-13 14:11:28,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:11:28,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:11:28,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:11:28,575 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Ended with exit code 0 [2024-11-13 14:11:28,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,595 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Waiting until timeout for monitored process [2024-11-13 14:11:28,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:11:28,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:11:28,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:11:28,615 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Forceful destruction successful, exit code 0 [2024-11-13 14:11:28,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,635 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Waiting until timeout for monitored process [2024-11-13 14:11:28,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:11:28,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:11:28,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:11:28,651 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Forceful destruction successful, exit code 0 [2024-11-13 14:11:28,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,664 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Waiting until timeout for monitored process [2024-11-13 14:11:28,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:11:28,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:11:28,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:11:28,678 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Ended with exit code 0 [2024-11-13 14:11:28,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,693 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Waiting until timeout for monitored process [2024-11-13 14:11:28,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:28,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:28,719 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Forceful destruction successful, exit code 0 [2024-11-13 14:11:28,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,733 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Waiting until timeout for monitored process [2024-11-13 14:11:28,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:28,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:28,750 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Ended with exit code 0 [2024-11-13 14:11:28,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,763 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Waiting until timeout for monitored process [2024-11-13 14:11:28,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:28,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:28,783 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Forceful destruction successful, exit code 0 [2024-11-13 14:11:28,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,796 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Waiting until timeout for monitored process [2024-11-13 14:11:28,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:28,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:28,817 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Ended with exit code 0 [2024-11-13 14:11:28,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,830 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Waiting until timeout for monitored process [2024-11-13 14:11:28,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:28,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:28,849 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Ended with exit code 0 [2024-11-13 14:11:28,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,862 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Waiting until timeout for monitored process [2024-11-13 14:11:28,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:28,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:28,882 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Ended with exit code 0 [2024-11-13 14:11:28,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,895 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Waiting until timeout for monitored process [2024-11-13 14:11:28,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:28,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:28,914 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Ended with exit code 0 [2024-11-13 14:11:28,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,928 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Waiting until timeout for monitored process [2024-11-13 14:11:28,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:28,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:28,948 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Ended with exit code 0 [2024-11-13 14:11:28,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,962 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Waiting until timeout for monitored process [2024-11-13 14:11:28,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:28,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:28,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:28,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:28,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:28,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:28,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:28,982 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:28,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Ended with exit code 0 [2024-11-13 14:11:28,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:28,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:28,995 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:28,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Waiting until timeout for monitored process [2024-11-13 14:11:28,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:29,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:29,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:29,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:29,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:29,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:29,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:29,016 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:29,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Ended with exit code 0 [2024-11-13 14:11:29,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:29,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:29,030 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:29,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Waiting until timeout for monitored process [2024-11-13 14:11:29,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:29,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:29,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:29,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:29,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:29,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:29,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:29,050 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:29,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Ended with exit code 0 [2024-11-13 14:11:29,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:29,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:29,064 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:29,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Waiting until timeout for monitored process [2024-11-13 14:11:29,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:29,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:29,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:29,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:29,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:29,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:29,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:29,083 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:29,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Ended with exit code 0 [2024-11-13 14:11:29,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:29,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:29,097 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:29,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Waiting until timeout for monitored process [2024-11-13 14:11:29,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:29,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:29,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:29,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:29,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:29,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:29,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:29,114 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:29,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Ended with exit code 0 [2024-11-13 14:11:29,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:29,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:29,127 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:29,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Waiting until timeout for monitored process [2024-11-13 14:11:29,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:29,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:29,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:29,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:29,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:29,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:29,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:29,147 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:29,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Ended with exit code 0 [2024-11-13 14:11:29,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:29,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:29,160 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:29,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Waiting until timeout for monitored process [2024-11-13 14:11:29,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:29,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:29,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:29,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:29,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:29,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:29,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:29,183 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:29,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Ended with exit code 0 [2024-11-13 14:11:29,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:29,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:29,196 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:29,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Waiting until timeout for monitored process [2024-11-13 14:11:29,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:29,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:29,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:29,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:29,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:29,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:29,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:29,216 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:29,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Ended with exit code 0 [2024-11-13 14:11:29,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:29,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:29,230 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:29,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Waiting until timeout for monitored process [2024-11-13 14:11:29,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:29,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:29,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:29,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:29,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:29,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:29,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:29,250 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:29,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Forceful destruction successful, exit code 0 [2024-11-13 14:11:29,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:29,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:29,263 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:29,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Waiting until timeout for monitored process [2024-11-13 14:11:29,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:29,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:29,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:29,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:29,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:29,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:29,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:29,285 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:29,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Ended with exit code 0 [2024-11-13 14:11:29,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:29,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:29,299 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:29,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Waiting until timeout for monitored process [2024-11-13 14:11:29,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:29,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:29,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:29,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:29,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:29,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:29,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:29,319 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:11:29,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Ended with exit code 0 [2024-11-13 14:11:29,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:29,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:29,332 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:29,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Waiting until timeout for monitored process [2024-11-13 14:11:29,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:11:29,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:11:29,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:11:29,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:11:29,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:11:29,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:11:29,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:11:29,354 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:11:29,362 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-11-13 14:11:29,362 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-13 14:11:29,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:29,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:29,364 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:29,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Waiting until timeout for monitored process [2024-11-13 14:11:29,366 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:11:29,377 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:11:29,377 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:11:29,377 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 64 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 64 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2024-11-13 14:11:29,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Ended with exit code 0 [2024-11-13 14:11:29,916 INFO L156 tatePredicateManager]: 36 out of 37 supporting invariants were superfluous and have been removed [2024-11-13 14:11:29,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:11:29,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:11:29,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:11:29,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:30,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 14:11:30,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:11:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:30,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:11:30,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:11:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:30,574 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.18 stem predicates 2 loop predicates [2024-11-13 14:11:30,574 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 143 states and 179 transitions. cyclomatic complexity: 55 Second operand has 20 states, 20 states have (on average 3.85) internal successors, (77), 20 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:30,620 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 143 states and 179 transitions. cyclomatic complexity: 55. Second operand has 20 states, 20 states have (on average 3.85) internal successors, (77), 20 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 144 states and 181 transitions. Complement of second has 4 states. [2024-11-13 14:11:30,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:11:30,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.85) internal successors, (77), 20 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:30,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:11:30,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 123 letters. Loop has 2 letters. [2024-11-13 14:11:30,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:11:30,621 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:11:30,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:30,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Forceful destruction successful, exit code 0 [2024-11-13 14:11:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:30,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 14:11:30,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:11:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:31,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:11:31,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:11:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:31,521 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.18 stem predicates 2 loop predicates [2024-11-13 14:11:31,521 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 143 states and 179 transitions. cyclomatic complexity: 55 Second operand has 20 states, 20 states have (on average 3.85) internal successors, (77), 20 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:31,563 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 143 states and 179 transitions. cyclomatic complexity: 55. Second operand has 20 states, 20 states have (on average 3.85) internal successors, (77), 20 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 144 states and 181 transitions. Complement of second has 4 states. [2024-11-13 14:11:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:11:31,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.85) internal successors, (77), 20 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:31,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-13 14:11:31,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 123 letters. Loop has 2 letters. [2024-11-13 14:11:31,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:11:31,564 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:11:31,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:31,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 14:11:31,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:11:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:32,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:11:32,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:11:32,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:32,278 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.18 stem predicates 2 loop predicates [2024-11-13 14:11:32,278 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 143 states and 179 transitions. cyclomatic complexity: 55 Second operand has 20 states, 20 states have (on average 3.85) internal successors, (77), 20 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:33,027 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 143 states and 179 transitions. cyclomatic complexity: 55. Second operand has 20 states, 20 states have (on average 3.85) internal successors, (77), 20 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 173 states and 228 transitions. Complement of second has 40 states. [2024-11-13 14:11:33,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 22 states 18 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:11:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.85) internal successors, (77), 20 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:33,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 122 transitions. [2024-11-13 14:11:33,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 122 transitions. Stem has 123 letters. Loop has 2 letters. [2024-11-13 14:11:33,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:11:33,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 122 transitions. Stem has 125 letters. Loop has 2 letters. [2024-11-13 14:11:33,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:11:33,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 122 transitions. Stem has 123 letters. Loop has 4 letters. [2024-11-13 14:11:33,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:11:33,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 173 states and 228 transitions. [2024-11-13 14:11:33,030 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:11:33,031 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 173 states to 168 states and 221 transitions. [2024-11-13 14:11:33,031 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:11:33,031 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:11:33,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 168 states and 221 transitions. [2024-11-13 14:11:33,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:11:33,031 INFO L218 hiAutomatonCegarLoop]: Abstraction has 168 states and 221 transitions. [2024-11-13 14:11:33,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states and 221 transitions. [2024-11-13 14:11:33,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 148. [2024-11-13 14:11:33,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 148 states have (on average 1.25) internal successors, (185), 147 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:33,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 185 transitions. [2024-11-13 14:11:33,034 INFO L240 hiAutomatonCegarLoop]: Abstraction has 148 states and 185 transitions. [2024-11-13 14:11:33,034 INFO L424 stractBuchiCegarLoop]: Abstraction has 148 states and 185 transitions. [2024-11-13 14:11:33,034 INFO L331 stractBuchiCegarLoop]: ======== Iteration 38 ============ [2024-11-13 14:11:33,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 185 transitions. [2024-11-13 14:11:33,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:11:33,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:11:33,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:11:33,036 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:11:33,036 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:11:33,036 INFO L745 eck$LassoCheckResult]: Stem: 29853#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 29848#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 29849#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 29856#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 29850#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 29844#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29845#L521 assume !(main_~val~0#1 < 0); 29902#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29846#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29847#L521 assume !(main_~val~0#1 < 0); 29842#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29843#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29901#L521 assume !(main_~val~0#1 < 0); 29900#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29899#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29898#L521 assume !(main_~val~0#1 < 0); 29897#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29896#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29895#L521 assume !(main_~val~0#1 < 0); 29894#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29893#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29892#L521 assume !(main_~val~0#1 < 0); 29891#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29890#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29889#L521 assume !(main_~val~0#1 < 0); 29888#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29887#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29886#L521 assume !(main_~val~0#1 < 0); 29885#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29884#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29883#L521 assume !(main_~val~0#1 < 0); 29882#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29881#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29880#L521 assume !(main_~val~0#1 < 0); 29879#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29878#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29877#L521 assume !(main_~val~0#1 < 0); 29876#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29875#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29874#L521 assume !(main_~val~0#1 < 0); 29873#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29872#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29871#L521 assume !(main_~val~0#1 < 0); 29870#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29869#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29868#L521 assume !(main_~val~0#1 < 0); 29867#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29866#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29865#L521 assume !(main_~val~0#1 < 0); 29864#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29863#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29862#L521 assume !(main_~val~0#1 < 0); 29861#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29860#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 29858#L521 assume !(main_~val~0#1 < 0); 29859#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 29857#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 29851#L519-3 main_~j~0#1 := 0; 29835#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29836#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29981#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29980#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29837#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29838#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29852#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29854#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29855#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29978#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29977#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29976#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29975#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29973#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29972#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29971#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29970#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29968#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29967#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29966#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29965#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29963#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29962#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29961#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29960#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29958#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29957#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29956#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29955#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29953#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29952#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29951#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29950#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29948#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29947#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29946#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29945#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29943#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29942#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29941#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29940#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29938#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29937#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29936#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29935#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29933#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29932#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29931#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29930#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29928#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29927#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29926#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29925#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29923#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29922#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29921#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29920#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29918#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29917#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29916#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29915#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29913#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29912#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29911#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29910#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29909#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29906#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 29905#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 29903#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 29840#L527-3 [2024-11-13 14:11:33,037 INFO L747 eck$LassoCheckResult]: Loop: 29840#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29839#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 29840#L527-3 [2024-11-13 14:11:33,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:33,037 INFO L85 PathProgramCache]: Analyzing trace with hash -540654397, now seen corresponding path program 34 times [2024-11-13 14:11:33,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:33,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757237407] [2024-11-13 14:11:33,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:33,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:34,068 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 496 proven. 490 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:34,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:11:34,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757237407] [2024-11-13 14:11:34,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757237407] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:11:34,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892908254] [2024-11-13 14:11:34,069 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 14:11:34,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:11:34,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:34,071 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:11:34,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (335)] Waiting until timeout for monitored process [2024-11-13 14:11:34,309 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 14:11:34,309 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:11:34,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 14:11:34,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:11:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 561 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:35,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:11:36,000 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 561 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:36,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892908254] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:11:36,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:11:36,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 58 [2024-11-13 14:11:36,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874500822] [2024-11-13 14:11:36,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:11:36,001 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:11:36,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:36,001 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 34 times [2024-11-13 14:11:36,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:36,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701755088] [2024-11-13 14:11:36,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:36,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:36,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:11:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:36,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:11:36,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:11:36,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-11-13 14:11:36,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=784, Invalid=2638, Unknown=0, NotChecked=0, Total=3422 [2024-11-13 14:11:36,060 INFO L87 Difference]: Start difference. First operand 148 states and 185 transitions. cyclomatic complexity: 57 Second operand has 59 states, 58 states have (on average 3.5517241379310347) internal successors, (206), 59 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:36,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:11:36,677 INFO L93 Difference]: Finished difference Result 240 states and 296 transitions. [2024-11-13 14:11:36,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 240 states and 296 transitions. [2024-11-13 14:11:36,678 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:11:36,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 240 states to 153 states and 192 transitions. [2024-11-13 14:11:36,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:11:36,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:11:36,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 153 states and 192 transitions. [2024-11-13 14:11:36,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:11:36,679 INFO L218 hiAutomatonCegarLoop]: Abstraction has 153 states and 192 transitions. [2024-11-13 14:11:36,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states and 192 transitions. [2024-11-13 14:11:36,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2024-11-13 14:11:36,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 151 states have (on average 1.2516556291390728) internal successors, (189), 150 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 189 transitions. [2024-11-13 14:11:36,681 INFO L240 hiAutomatonCegarLoop]: Abstraction has 151 states and 189 transitions. [2024-11-13 14:11:36,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 14:11:36,682 INFO L424 stractBuchiCegarLoop]: Abstraction has 151 states and 189 transitions. [2024-11-13 14:11:36,682 INFO L331 stractBuchiCegarLoop]: ======== Iteration 39 ============ [2024-11-13 14:11:36,682 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 189 transitions. [2024-11-13 14:11:36,683 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:11:36,683 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:11:36,683 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:11:36,683 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [18, 18, 18, 18, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:11:36,683 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:11:36,684 INFO L745 eck$LassoCheckResult]: Stem: 31059#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 31054#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 31055#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 31062#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 31056#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 31050#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31051#L521 assume !(main_~val~0#1 < 0); 31191#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31052#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31053#L521 assume !(main_~val~0#1 < 0); 31048#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31049#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31190#L521 assume !(main_~val~0#1 < 0); 31189#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31188#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31187#L521 assume !(main_~val~0#1 < 0); 31186#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31185#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31184#L521 assume !(main_~val~0#1 < 0); 31183#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31182#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31181#L521 assume !(main_~val~0#1 < 0); 31180#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31179#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31178#L521 assume !(main_~val~0#1 < 0); 31177#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31176#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31175#L521 assume !(main_~val~0#1 < 0); 31174#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31173#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31172#L521 assume !(main_~val~0#1 < 0); 31171#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31170#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31169#L521 assume !(main_~val~0#1 < 0); 31168#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31167#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31166#L521 assume !(main_~val~0#1 < 0); 31165#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31164#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31163#L521 assume !(main_~val~0#1 < 0); 31162#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31161#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31160#L521 assume !(main_~val~0#1 < 0); 31159#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31158#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31157#L521 assume !(main_~val~0#1 < 0); 31156#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31155#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31154#L521 assume !(main_~val~0#1 < 0); 31153#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31152#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31151#L521 assume !(main_~val~0#1 < 0); 31150#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31149#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31148#L521 assume !(main_~val~0#1 < 0); 31147#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31146#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 31064#L521 assume !(main_~val~0#1 < 0); 31067#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 31063#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 31057#L519-3 main_~j~0#1 := 0; 31041#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31042#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31058#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31143#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31043#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31044#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31144#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31060#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31061#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31141#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31140#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31139#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31138#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31136#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31135#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31134#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31133#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31131#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31130#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31129#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31128#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31126#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31125#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31124#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31123#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31121#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31120#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31119#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31118#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31116#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31115#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31114#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31113#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31111#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31110#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31109#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31108#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31106#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31105#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31104#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31103#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31101#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31100#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31099#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31098#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31096#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31095#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31094#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31093#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31091#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31090#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31089#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31088#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31086#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31085#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31084#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31083#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31081#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31080#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31079#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31078#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31076#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31075#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31074#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31073#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31072#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31069#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 31068#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 31065#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 31046#L527-3 [2024-11-13 14:11:36,684 INFO L747 eck$LassoCheckResult]: Loop: 31046#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31045#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 31046#L527-3 [2024-11-13 14:11:36,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:36,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1638935817, now seen corresponding path program 35 times [2024-11-13 14:11:36,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:36,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108047041] [2024-11-13 14:11:36,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:36,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:36,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:11:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:36,853 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:11:36,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:36,854 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 35 times [2024-11-13 14:11:36,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:36,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884455657] [2024-11-13 14:11:36,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:36,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:36,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:11:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:36,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:11:36,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:36,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1235676050, now seen corresponding path program 17 times [2024-11-13 14:11:36,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:36,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222946287] [2024-11-13 14:11:36,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:36,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:36,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:11:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:37,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:14:14,564 WARN L286 SmtUtils]: Spent 2.62m on a formula simplification. DAG size of input: 562 DAG size of output: 407 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-13 14:14:15,185 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:14:15,185 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:14:15,185 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:14:15,185 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:14:15,185 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:14:15,185 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:15,185 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:14:15,185 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:14:15,185 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration39_Lasso [2024-11-13 14:14:15,185 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:14:15,185 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:14:15,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:15,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:15,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:15,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:15,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:15,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:15,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:15,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:15,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:15,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:15,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:15,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:15,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:15,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:16,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:16,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:14:16,530 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:14:16,530 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:14:16,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,534 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Waiting until timeout for monitored process [2024-11-13 14:14:16,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:14:16,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:14:16,551 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Forceful destruction successful, exit code 0 [2024-11-13 14:14:16,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,563 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Waiting until timeout for monitored process [2024-11-13 14:14:16,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:14:16,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:14:16,580 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Forceful destruction successful, exit code 0 [2024-11-13 14:14:16,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,592 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Waiting until timeout for monitored process [2024-11-13 14:14:16,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:14:16,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:14:16,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:14:16,606 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Forceful destruction successful, exit code 0 [2024-11-13 14:14:16,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,620 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Waiting until timeout for monitored process [2024-11-13 14:14:16,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:14:16,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:14:16,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:14:16,633 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Ended with exit code 0 [2024-11-13 14:14:16,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,646 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Waiting until timeout for monitored process [2024-11-13 14:14:16,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:14:16,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:14:16,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:14:16,660 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Ended with exit code 0 [2024-11-13 14:14:16,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,673 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Waiting until timeout for monitored process [2024-11-13 14:14:16,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:14:16,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:14:16,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:14:16,687 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Ended with exit code 0 [2024-11-13 14:14:16,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,701 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Waiting until timeout for monitored process [2024-11-13 14:14:16,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:14:16,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:14:16,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:14:16,715 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Ended with exit code 0 [2024-11-13 14:14:16,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,729 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Waiting until timeout for monitored process [2024-11-13 14:14:16,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:14:16,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:14:16,744 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Ended with exit code 0 [2024-11-13 14:14:16,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,757 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Waiting until timeout for monitored process [2024-11-13 14:14:16,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:14:16,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:14:16,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:14:16,771 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Ended with exit code 0 [2024-11-13 14:14:16,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,784 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Waiting until timeout for monitored process [2024-11-13 14:14:16,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:14:16,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:14:16,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:14:16,801 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Ended with exit code 0 [2024-11-13 14:14:16,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,814 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Waiting until timeout for monitored process [2024-11-13 14:14:16,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:14:16,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:14:16,830 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Ended with exit code 0 [2024-11-13 14:14:16,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,843 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Waiting until timeout for monitored process [2024-11-13 14:14:16,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:14:16,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:14:16,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:14:16,857 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Ended with exit code 0 [2024-11-13 14:14:16,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,869 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Waiting until timeout for monitored process [2024-11-13 14:14:16,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:14:16,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:14:16,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:14:16,883 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Ended with exit code 0 [2024-11-13 14:14:16,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,896 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Waiting until timeout for monitored process [2024-11-13 14:14:16,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:14:16,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:14:16,913 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Forceful destruction successful, exit code 0 [2024-11-13 14:14:16,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,927 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Waiting until timeout for monitored process [2024-11-13 14:14:16,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:14:16,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:14:16,944 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Forceful destruction successful, exit code 0 [2024-11-13 14:14:16,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,958 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Waiting until timeout for monitored process [2024-11-13 14:14:16,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:16,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:16,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:16,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:16,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:16,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:14:16,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:14:16,977 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:16,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Ended with exit code 0 [2024-11-13 14:14:16,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:16,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:16,990 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:16,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Waiting until timeout for monitored process [2024-11-13 14:14:16,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:17,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:17,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:17,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:17,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:17,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:14:17,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:14:17,006 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:14:17,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Ended with exit code 0 [2024-11-13 14:14:17,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:17,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:17,019 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:17,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Waiting until timeout for monitored process [2024-11-13 14:14:17,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:14:17,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:14:17,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:14:17,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:14:17,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:14:17,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:14:17,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:14:17,040 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:14:17,048 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-13 14:14:17,048 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-13 14:14:17,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:14:17,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:17,050 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:17,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Waiting until timeout for monitored process [2024-11-13 14:14:17,051 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:14:17,063 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:14:17,063 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:14:17,063 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 68)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 68)_1 Supporting invariants [] [2024-11-13 14:14:17,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Ended with exit code 0 [2024-11-13 14:14:17,125 INFO L156 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2024-11-13 14:14:17,127 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-13 14:14:17,127 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-13 14:14:17,127 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-13 14:14:17,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:17,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 14:14:17,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:14:17,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Ended with exit code 0 [2024-11-13 14:14:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:18,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:14:18,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:14:18,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:14:18,144 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.20 stem predicates 2 loop predicates [2024-11-13 14:14:18,145 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 151 states and 189 transitions. cyclomatic complexity: 58 Second operand has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:18,214 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 151 states and 189 transitions. cyclomatic complexity: 58. Second operand has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 152 states and 191 transitions. Complement of second has 5 states. [2024-11-13 14:14:18,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:14:18,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:18,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-13 14:14:18,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 130 letters. Loop has 2 letters. [2024-11-13 14:14:18,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:14:18,215 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:14:18,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:18,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 14:14:18,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:14:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:19,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:14:19,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:14:19,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:14:19,239 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.20 stem predicates 2 loop predicates [2024-11-13 14:14:19,239 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 151 states and 189 transitions. cyclomatic complexity: 58 Second operand has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:19,307 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 151 states and 189 transitions. cyclomatic complexity: 58. Second operand has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 152 states and 191 transitions. Complement of second has 5 states. [2024-11-13 14:14:19,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:14:19,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:19,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-13 14:14:19,308 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 130 letters. Loop has 2 letters. [2024-11-13 14:14:19,308 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:14:19,308 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:14:19,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:19,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 14:14:19,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:14:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:20,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:14:20,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:14:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:14:20,545 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.20 stem predicates 2 loop predicates [2024-11-13 14:14:20,546 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 151 states and 189 transitions. cyclomatic complexity: 58 Second operand has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:21,554 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 151 states and 189 transitions. cyclomatic complexity: 58. Second operand has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 182 states and 240 transitions. Complement of second has 43 states. [2024-11-13 14:14:21,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 24 states 20 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-13 14:14:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:21,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 128 transitions. [2024-11-13 14:14:21,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 128 transitions. Stem has 130 letters. Loop has 2 letters. [2024-11-13 14:14:21,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:14:21,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 128 transitions. Stem has 132 letters. Loop has 2 letters. [2024-11-13 14:14:21,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:14:21,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 128 transitions. Stem has 130 letters. Loop has 4 letters. [2024-11-13 14:14:21,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:14:21,556 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 240 transitions. [2024-11-13 14:14:21,557 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:14:21,558 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 177 states and 233 transitions. [2024-11-13 14:14:21,558 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 14:14:21,558 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 14:14:21,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 177 states and 233 transitions. [2024-11-13 14:14:21,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:14:21,558 INFO L218 hiAutomatonCegarLoop]: Abstraction has 177 states and 233 transitions. [2024-11-13 14:14:21,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states and 233 transitions. [2024-11-13 14:14:21,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 156. [2024-11-13 14:14:21,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 156 states have (on average 1.25) internal successors, (195), 155 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 195 transitions. [2024-11-13 14:14:21,561 INFO L240 hiAutomatonCegarLoop]: Abstraction has 156 states and 195 transitions. [2024-11-13 14:14:21,561 INFO L424 stractBuchiCegarLoop]: Abstraction has 156 states and 195 transitions. [2024-11-13 14:14:21,561 INFO L331 stractBuchiCegarLoop]: ======== Iteration 40 ============ [2024-11-13 14:14:21,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 195 transitions. [2024-11-13 14:14:21,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:14:21,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:14:21,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:14:21,562 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:21,563 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:14:21,563 INFO L745 eck$LassoCheckResult]: Stem: 33131#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 33126#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 33127#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 33134#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 33128#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 33122#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33123#L521 assume !(main_~val~0#1 < 0); 33183#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33124#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33125#L521 assume !(main_~val~0#1 < 0); 33120#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33121#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33182#L521 assume !(main_~val~0#1 < 0); 33181#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33180#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33179#L521 assume !(main_~val~0#1 < 0); 33178#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33177#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33176#L521 assume !(main_~val~0#1 < 0); 33175#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33174#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33173#L521 assume !(main_~val~0#1 < 0); 33172#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33171#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33170#L521 assume !(main_~val~0#1 < 0); 33169#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33168#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33167#L521 assume !(main_~val~0#1 < 0); 33166#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33165#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33164#L521 assume !(main_~val~0#1 < 0); 33163#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33162#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33161#L521 assume !(main_~val~0#1 < 0); 33160#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33159#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33158#L521 assume !(main_~val~0#1 < 0); 33157#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33156#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33155#L521 assume !(main_~val~0#1 < 0); 33154#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33153#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33152#L521 assume !(main_~val~0#1 < 0); 33151#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33150#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33149#L521 assume !(main_~val~0#1 < 0); 33148#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33147#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33146#L521 assume !(main_~val~0#1 < 0); 33145#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33144#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33143#L521 assume !(main_~val~0#1 < 0); 33142#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33141#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33140#L521 assume !(main_~val~0#1 < 0); 33139#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33138#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 33136#L521 assume !(main_~val~0#1 < 0); 33137#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 33135#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 33129#L519-3 main_~j~0#1 := 0; 33113#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33114#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33267#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33266#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33115#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33116#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33130#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33132#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33133#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33264#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33263#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33262#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33261#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33259#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33258#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33257#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33256#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33254#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33253#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33252#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33251#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33249#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33248#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33247#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33246#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33244#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33243#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33242#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33241#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33239#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33238#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33237#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33236#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33234#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33233#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33232#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33231#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33229#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33228#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33227#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33226#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33224#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33223#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33222#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33221#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33219#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33218#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33217#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33216#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33214#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33213#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33212#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33211#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33209#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33208#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33207#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33206#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33204#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33203#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33202#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33201#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33199#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33198#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33197#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33196#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33194#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33193#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33192#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33191#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33190#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33187#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 33186#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 33184#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 33118#L527-3 [2024-11-13 14:14:21,563 INFO L747 eck$LassoCheckResult]: Loop: 33118#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 33117#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 33118#L527-3 [2024-11-13 14:14:21,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:21,563 INFO L85 PathProgramCache]: Analyzing trace with hash -2073710561, now seen corresponding path program 36 times [2024-11-13 14:14:21,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:21,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368552724] [2024-11-13 14:14:21,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:21,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:22,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 561 proven. 546 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:14:22,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:14:22,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368552724] [2024-11-13 14:14:22,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368552724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:14:22,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650293080] [2024-11-13 14:14:22,629 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 14:14:22,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:14:22,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:22,633 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:14:22,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a462696-b667-43a8-8a17-504d7b05be60/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (355)] Waiting until timeout for monitored process [2024-11-13 14:14:24,070 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2024-11-13 14:14:24,070 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:14:24,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 14:14:24,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:14:25,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 630 proven. 477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:14:25,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:14:25,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 630 proven. 477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:14:25,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650293080] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:14:25,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:14:25,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 61 [2024-11-13 14:14:25,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233313455] [2024-11-13 14:14:25,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:14:25,839 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:14:25,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:25,840 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 36 times [2024-11-13 14:14:25,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:25,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952494936] [2024-11-13 14:14:25,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:25,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:25,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:14:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:25,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:14:25,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:14:25,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-13 14:14:25,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=865, Invalid=2917, Unknown=0, NotChecked=0, Total=3782 [2024-11-13 14:14:25,881 INFO L87 Difference]: Start difference. First operand 156 states and 195 transitions. cyclomatic complexity: 60 Second operand has 62 states, 61 states have (on average 3.557377049180328) internal successors, (217), 62 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:26,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:26,381 INFO L93 Difference]: Finished difference Result 253 states and 312 transitions. [2024-11-13 14:14:26,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 253 states and 312 transitions. [2024-11-13 14:14:26,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:14:26,383 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 253 states to 161 states and 202 transitions. [2024-11-13 14:14:26,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 14:14:26,383 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-13 14:14:26,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 161 states and 202 transitions. [2024-11-13 14:14:26,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:14:26,383 INFO L218 hiAutomatonCegarLoop]: Abstraction has 161 states and 202 transitions. [2024-11-13 14:14:26,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states and 202 transitions. [2024-11-13 14:14:26,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2024-11-13 14:14:26,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 159 states have (on average 1.251572327044025) internal successors, (199), 158 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:26,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 199 transitions. [2024-11-13 14:14:26,386 INFO L240 hiAutomatonCegarLoop]: Abstraction has 159 states and 199 transitions. [2024-11-13 14:14:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-13 14:14:26,387 INFO L424 stractBuchiCegarLoop]: Abstraction has 159 states and 199 transitions. [2024-11-13 14:14:26,387 INFO L331 stractBuchiCegarLoop]: ======== Iteration 41 ============ [2024-11-13 14:14:26,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 159 states and 199 transitions. [2024-11-13 14:14:26,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:14:26,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:14:26,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:14:26,388 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [19, 19, 19, 19, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:26,389 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:14:26,389 INFO L745 eck$LassoCheckResult]: Stem: 34403#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 34398#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 34399#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 34406#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 34400#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 34394#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34395#L521 assume !(main_~val~0#1 < 0); 34543#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34396#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34397#L521 assume !(main_~val~0#1 < 0); 34392#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34393#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34542#L521 assume !(main_~val~0#1 < 0); 34541#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34540#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34539#L521 assume !(main_~val~0#1 < 0); 34538#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34537#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34536#L521 assume !(main_~val~0#1 < 0); 34535#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34534#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34533#L521 assume !(main_~val~0#1 < 0); 34532#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34531#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34530#L521 assume !(main_~val~0#1 < 0); 34529#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34528#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34527#L521 assume !(main_~val~0#1 < 0); 34526#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34525#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34524#L521 assume !(main_~val~0#1 < 0); 34523#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34522#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34521#L521 assume !(main_~val~0#1 < 0); 34520#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34519#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34518#L521 assume !(main_~val~0#1 < 0); 34517#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34516#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34515#L521 assume !(main_~val~0#1 < 0); 34514#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34513#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34512#L521 assume !(main_~val~0#1 < 0); 34511#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34510#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34509#L521 assume !(main_~val~0#1 < 0); 34508#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34507#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34506#L521 assume !(main_~val~0#1 < 0); 34505#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34504#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34503#L521 assume !(main_~val~0#1 < 0); 34502#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34501#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34500#L521 assume !(main_~val~0#1 < 0); 34499#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34498#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34497#L521 assume !(main_~val~0#1 < 0); 34496#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34495#L519-2 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 34408#L521 assume !(main_~val~0#1 < 0); 34411#L521-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 34407#L519-2 assume !(main_~i~0#1 < main_~length~0#1); 34401#L519-3 main_~j~0#1 := 0; 34385#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34386#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34402#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34492#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34387#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34388#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34493#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34404#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34405#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34490#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34489#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34488#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34487#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34485#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34484#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34483#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34482#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34480#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34479#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34478#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34477#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34475#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34474#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34473#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34472#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34470#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34469#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34468#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34467#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34465#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34464#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34463#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34462#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34460#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34459#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34458#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34457#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34455#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34454#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34453#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34452#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34450#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34449#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34448#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34447#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34445#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34444#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34443#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34442#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34440#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34439#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34438#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34437#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34435#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34434#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34433#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34432#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34430#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34429#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34428#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34427#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34425#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34424#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34423#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34422#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34420#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34419#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34418#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34417#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34416#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34413#L527-1 assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 34412#L527-4 main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 34409#L526-2 assume !!(main_~j~0#1 < main_~length~0#1); 34390#L527-3 [2024-11-13 14:14:26,389 INFO L747 eck$LassoCheckResult]: Loop: 34390#L527-3 call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34389#L527-1 assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#0(main_#t~post8#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1; 34390#L527-3 [2024-11-13 14:14:26,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:26,389 INFO L85 PathProgramCache]: Analyzing trace with hash 848891161, now seen corresponding path program 37 times [2024-11-13 14:14:26,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:26,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131916719] [2024-11-13 14:14:26,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:26,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:26,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:14:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:26,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:14:26,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:26,509 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 37 times [2024-11-13 14:14:26,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:26,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843714174] [2024-11-13 14:14:26,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:26,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:26,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:14:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:26,518 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:14:26,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:26,518 INFO L85 PathProgramCache]: Analyzing trace with hash -259379074, now seen corresponding path program 18 times [2024-11-13 14:14:26,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:26,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442399783] [2024-11-13 14:14:26,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:26,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:26,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:14:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:26,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace