./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/count_down-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/count_down-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB --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 64bit --witnessprinter.graph.data.programhash 99c02e26cc69c81635e61f874ccaf79837a3339fa533477441a437bf8690e003 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:23:47,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:23:47,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-27 23:23:47,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:23:47,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:23:47,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:23:47,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:23:47,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:23:47,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:23:47,383 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:23:47,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:23:47,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:23:47,385 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:23:47,386 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 23:23:47,386 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 23:23:47,386 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 23:23:47,386 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 23:23:47,386 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 23:23:47,387 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 23:23:47,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:23:47,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 23:23:47,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:23:47,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:23:47,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 23:23:47,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 23:23:47,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 23:23:47,389 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:23:47,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:23:47,389 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 23:23:47,389 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:23:47,389 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:23:47,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:23:47,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:23:47,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:23:47,390 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 23:23:47,390 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 23:23:47,390 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_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99c02e26cc69c81635e61f874ccaf79837a3339fa533477441a437bf8690e003 [2024-11-27 23:23:47,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:23:47,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:23:47,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:23:47,825 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:23:47,825 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:23:47,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-memory-alloca/count_down-alloca-2.i [2024-11-27 23:23:51,215 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/data/fd78be758/6eaaa8e16a384a328d6a9b8b693de45c/FLAG14220c5f4 [2024-11-27 23:23:51,632 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:23:51,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/sv-benchmarks/c/termination-memory-alloca/count_down-alloca-2.i [2024-11-27 23:23:51,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/data/fd78be758/6eaaa8e16a384a328d6a9b8b693de45c/FLAG14220c5f4 [2024-11-27 23:23:51,687 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/data/fd78be758/6eaaa8e16a384a328d6a9b8b693de45c [2024-11-27 23:23:51,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:23:51,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:23:51,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:23:51,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:23:51,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:23:51,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:51" (1/1) ... [2024-11-27 23:23:51,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364c20f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:51, skipping insertion in model container [2024-11-27 23:23:51,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:51" (1/1) ... [2024-11-27 23:23:51,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:23:52,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:23:52,215 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:23:52,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:23:52,318 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:23:52,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:52 WrapperNode [2024-11-27 23:23:52,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:23:52,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:23:52,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:23:52,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:23:52,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:52" (1/1) ... [2024-11-27 23:23:52,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:52" (1/1) ... [2024-11-27 23:23:52,379 INFO L138 Inliner]: procedures = 110, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2024-11-27 23:23:52,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:23:52,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:23:52,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:23:52,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:23:52,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:52" (1/1) ... [2024-11-27 23:23:52,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:52" (1/1) ... [2024-11-27 23:23:52,401 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:52" (1/1) ... [2024-11-27 23:23:52,415 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]. [2024-11-27 23:23:52,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:52" (1/1) ... [2024-11-27 23:23:52,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:52" (1/1) ... [2024-11-27 23:23:52,428 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:52" (1/1) ... [2024-11-27 23:23:52,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:52" (1/1) ... [2024-11-27 23:23:52,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:52" (1/1) ... [2024-11-27 23:23:52,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:52" (1/1) ... [2024-11-27 23:23:52,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:52" (1/1) ... [2024-11-27 23:23:52,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:23:52,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:23:52,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:23:52,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:23:52,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:52" (1/1) ... [2024-11-27 23:23:52,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:52,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:52,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:52,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 23:23:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:23:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:23:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 23:23:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:23:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:23:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:23:52,690 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:23:52,693 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:23:52,863 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-27 23:23:52,863 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:23:52,874 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:23:52,874 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-27 23:23:52,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:23:52 BoogieIcfgContainer [2024-11-27 23:23:52,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:23:52,876 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 23:23:52,877 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 23:23:52,884 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 23:23:52,885 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:23:52,885 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 11:23:51" (1/3) ... [2024-11-27 23:23:52,887 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15f23e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 11:23:52, skipping insertion in model container [2024-11-27 23:23:52,887 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:23:52,887 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:52" (2/3) ... [2024-11-27 23:23:52,888 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15f23e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 11:23:52, skipping insertion in model container [2024-11-27 23:23:52,888 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:23:52,888 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:23:52" (3/3) ... [2024-11-27 23:23:52,889 INFO L363 chiAutomizerObserver]: Analyzing ICFG count_down-alloca-2.i [2024-11-27 23:23:52,950 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 23:23:52,951 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 23:23:52,951 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 23:23:52,951 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 23:23:52,951 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 23:23:52,951 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 23:23:52,951 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 23:23:52,952 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 23:23:52,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 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) [2024-11-27 23:23:52,976 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-27 23:23:52,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:23:52,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:23:52,984 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-27 23:23:52,984 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 23:23:52,984 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 23:23:52,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 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) [2024-11-27 23:23:52,987 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-27 23:23:52,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:23:52,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:23:52,988 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-27 23:23:52,988 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 23:23:52,996 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" [2024-11-27 23:23:52,996 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume main_~val~0#1 < 0;main_~val~0#1 := 0;" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2024-11-27 23:23:53,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:53,004 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2024-11-27 23:23:53,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:23:53,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713928732] [2024-11-27 23:23:53,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:53,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:53,142 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:23:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:53,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:23:53,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:53,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1543273, now seen corresponding path program 1 times [2024-11-27 23:23:53,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:23:53,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108968679] [2024-11-27 23:23:53,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:53,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:53,208 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:23:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:53,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:23:53,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:53,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1182909745, now seen corresponding path program 1 times [2024-11-27 23:23:53,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:23:53,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100588804] [2024-11-27 23:23:53,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:53,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:53,288 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:23:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:53,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:23:53,873 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:23:53,874 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:23:53,875 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:23:53,875 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:23:53,875 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:23:53,877 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:53,877 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:23:53,877 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:23:53,877 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration1_Lasso [2024-11-27 23:23:53,877 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:23:53,878 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:23:53,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:53,917 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:53,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:53,932 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:53,937 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:53,948 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:53,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:53,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:53,970 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:53,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:53,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:53,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:54,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:54,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:54,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:54,722 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:23:54,727 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:23:54,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:54,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:54,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:54,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-27 23:23:54,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:54,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:54,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:54,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:54,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:54,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:54,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:54,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:54,772 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:54,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-27 23:23:54,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:54,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:54,788 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:54,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:54,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-27 23:23:54,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:54,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:54,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:54,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:54,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:54,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:54,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:54,815 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:54,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:54,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:54,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:54,831 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:54,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-27 23:23:54,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:54,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:54,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:54,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:54,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:54,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:54,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:54,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:54,861 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:54,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:54,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:54,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:54,877 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:54,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:54,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-27 23:23:54,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:54,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:54,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:54,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:54,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:54,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:54,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:54,905 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:54,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:54,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:54,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:54,921 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:54,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-27 23:23:54,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:54,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:54,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:54,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:54,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:54,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:54,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:54,961 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:54,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:54,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:54,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:54,975 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:54,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-27 23:23:54,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:54,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:54,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:54,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:54,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:55,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:55,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:55,012 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:55,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-27 23:23:55,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:55,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:55,026 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:55,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-27 23:23:55,031 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 [2024-11-27 23:23:55,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:55,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:55,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:55,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:55,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:55,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:55,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:55,053 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:55,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:55,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:55,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:55,067 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:55,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-27 23:23:55,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:55,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:55,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:55,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:55,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:55,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:55,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:55,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:55,092 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:55,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:55,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:55,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:55,105 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:55,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-27 23:23:55,111 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 [2024-11-27 23:23:55,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:55,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:55,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:55,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:55,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:55,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:55,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:55,134 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:55,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-27 23:23:55,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:55,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:55,147 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:55,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-27 23:23:55,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:55,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:55,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:55,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:55,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:55,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:55,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:55,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:55,174 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:55,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:55,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:55,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:55,189 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:55,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-27 23:23:55,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:55,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:55,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:55,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:55,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:55,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:55,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:55,220 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:55,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:55,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:55,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:55,234 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:55,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-27 23:23:55,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:55,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:55,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:55,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:55,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:55,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:55,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:55,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:55,259 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:55,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-27 23:23:55,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:55,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:55,273 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:55,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-27 23:23:55,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:55,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:55,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:55,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:55,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:55,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:55,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:55,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:55,298 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:55,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:55,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:55,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:55,312 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:55,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-27 23:23:55,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:55,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:55,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:55,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:55,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:55,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:55,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:55,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:55,337 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:55,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:55,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:55,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:55,351 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:55,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-27 23:23:55,356 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 [2024-11-27 23:23:55,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:55,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:55,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:55,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:55,377 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:55,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:55,382 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:55,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:55,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:55,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:55,397 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:55,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-27 23:23:55,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:55,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:55,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:55,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:55,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:55,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:55,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:55,459 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:23:55,493 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-27 23:23:55,496 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-11-27 23:23:55,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:55,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:55,506 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:55,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-27 23:23:55,508 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:23:55,526 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:23:55,526 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:23:55,527 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_1, ULTIMATE.start_main_~arr~0#1.offset, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_1 - 1*ULTIMATE.start_main_~arr~0#1.offset - 4*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-27 23:23:55,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:55,565 INFO L156 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2024-11-27 23:23:55,576 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-27 23:23:55,577 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-27 23:23:55,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~arr~0!offset [2024-11-27 23:23:55,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:55,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:23:55,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:55,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:23:55,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:55,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:55,836 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 [2024-11-27 23:23:55,838 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 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 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-27 23:23:55,926 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 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 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 36 states and 50 transitions. Complement of second has 7 states. [2024-11-27 23:23:55,927 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 [2024-11-27 23:23:55,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-27 23:23:55,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2024-11-27 23:23:55,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-27 23:23:55,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:23:55,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-27 23:23:55,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:23:55,946 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 8 letters. [2024-11-27 23:23:55,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:23:55,947 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 50 transitions. [2024-11-27 23:23:55,950 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-27 23:23:55,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 16 states and 22 transitions. [2024-11-27 23:23:55,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:23:55,955 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-27 23:23:55,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2024-11-27 23:23:55,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:23:55,956 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2024-11-27 23:23:55,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2024-11-27 23:23:55,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-27 23:23:55,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 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) [2024-11-27 23:23:55,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2024-11-27 23:23:55,987 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2024-11-27 23:23:55,987 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2024-11-27 23:23:55,987 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 23:23:55,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2024-11-27 23:23:55,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-27 23:23:55,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:23:55,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:23:55,988 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:55,989 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:23:55,989 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" [2024-11-27 23:23:55,989 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 < main_~length~0#1;" "assume !true;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" [2024-11-27 23:23:55,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:55,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815574, now seen corresponding path program 1 times [2024-11-27 23:23:55,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:23:55,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481812532] [2024-11-27 23:23:55,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:55,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:56,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:23:56,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481812532] [2024-11-27 23:23:56,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481812532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:56,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999802751] [2024-11-27 23:23:56,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:56,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:56,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:56,110 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:56,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-27 23:23:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:56,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:23:56,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:56,216 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:56,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999802751] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:56,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:56,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-27 23:23:56,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163427162] [2024-11-27 23:23:56,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:56,253 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:23:56,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:56,253 INFO L85 PathProgramCache]: Analyzing trace with hash 70986, now seen corresponding path program 1 times [2024-11-27 23:23:56,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:23:56,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338943514] [2024-11-27 23:23:56,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:56,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:56,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:23:56,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338943514] [2024-11-27 23:23:56,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338943514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:56,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245138252] [2024-11-27 23:23:56,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:56,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:56,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:56,267 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:56,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-27 23:23:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:56,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:23:56,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:56,319 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:56,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245138252] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:56,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:56,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-27 23:23:56,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457007076] [2024-11-27 23:23:56,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:56,320 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 23:23:56,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:23:56,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:23:56,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:23:56,327 INFO L87 Difference]: Start difference. First operand 16 states and 22 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) [2024-11-27 23:23:56,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:56,332 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2024-11-27 23:23:56,332 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2024-11-27 23:23:56,333 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-27 23:23:56,333 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2024-11-27 23:23:56,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:23:56,333 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-27 23:23:56,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2024-11-27 23:23:56,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:23:56,334 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-27 23:23:56,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2024-11-27 23:23:56,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-27 23:23:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 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) [2024-11-27 23:23:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2024-11-27 23:23:56,335 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-27 23:23:56,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:23:56,336 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-27 23:23:56,336 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-27 23:23:56,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2024-11-27 23:23:56,337 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-27 23:23:56,337 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:23:56,337 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:23:56,339 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:56,339 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 23:23:56,339 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post9#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" [2024-11-27 23:23:56,339 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" [2024-11-27 23:23:56,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:56,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815574, now seen corresponding path program 2 times [2024-11-27 23:23:56,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:23:56,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482073843] [2024-11-27 23:23:56,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:56,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:56,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:23:56,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482073843] [2024-11-27 23:23:56,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482073843] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:56,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275722111] [2024-11-27 23:23:56,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:56,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:56,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:56,451 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:56,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-27 23:23:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:56,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:23:56,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:56,529 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:56,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275722111] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:56,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:56,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-27 23:23:56,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865774829] [2024-11-27 23:23:56,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:56,552 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:23:56,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:56,553 INFO L85 PathProgramCache]: Analyzing trace with hash 2191789, now seen corresponding path program 1 times [2024-11-27 23:23:56,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:23:56,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819685856] [2024-11-27 23:23:56,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:56,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:56,563 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:23:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:56,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:23:56,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:23:56,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:23:56,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:23:56,654 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-11-27 23:23:56,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:56,711 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2024-11-27 23:23:56,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2024-11-27 23:23:56,712 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-27 23:23:56,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 24 transitions. [2024-11-27 23:23:56,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:23:56,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-27 23:23:56,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2024-11-27 23:23:56,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:23:56,713 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2024-11-27 23:23:56,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2024-11-27 23:23:56,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 16. [2024-11-27 23:23:56,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 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) [2024-11-27 23:23:56,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2024-11-27 23:23:56,716 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-11-27 23:23:56,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:23:56,717 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-11-27 23:23:56,717 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-27 23:23:56,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2024-11-27 23:23:56,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-27 23:23:56,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:23:56,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:23:56,718 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:56,718 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 23:23:56,719 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" [2024-11-27 23:23:56,719 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" [2024-11-27 23:23:56,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:56,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1390008196, now seen corresponding path program 1 times [2024-11-27 23:23:56,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:23:56,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019639477] [2024-11-27 23:23:56,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:56,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:56,734 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:23:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:56,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:23:56,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:56,747 INFO L85 PathProgramCache]: Analyzing trace with hash 2191789, now seen corresponding path program 2 times [2024-11-27 23:23:56,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:23:56,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27535156] [2024-11-27 23:23:56,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:56,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:56,761 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:23:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:56,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:23:56,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:56,771 INFO L85 PathProgramCache]: Analyzing trace with hash -457644888, now seen corresponding path program 1 times [2024-11-27 23:23:56,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:23:56,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640325350] [2024-11-27 23:23:56,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:56,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:56,792 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:23:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:56,819 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:23:57,136 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:23:57,137 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:23:57,137 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:23:57,137 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:23:57,137 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:23:57,137 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:57,137 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:23:57,137 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:23:57,137 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration4_Lasso [2024-11-27 23:23:57,137 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:23:57,138 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:23:57,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:57,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:57,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:57,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:57,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:57,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:57,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:57,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:57,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:57,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:57,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:57,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:57,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:57,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:57,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:57,636 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:23:57,636 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:23:57,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:57,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:57,639 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:57,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-27 23:23:57,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:57,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:57,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:57,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:57,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:57,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:57,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:57,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:57,663 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:57,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-27 23:23:57,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:57,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:57,675 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:57,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-27 23:23:57,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:57,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:57,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:57,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:57,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:57,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:57,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:57,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:57,697 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:57,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:57,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:57,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:57,706 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:57,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-27 23:23:57,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:57,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:57,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:57,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:57,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:57,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:57,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:57,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:57,723 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:57,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:57,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:57,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:57,738 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:57,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-27 23:23:57,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:57,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:57,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:57,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:57,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:57,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:57,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:57,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:57,760 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:57,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:57,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:57,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:57,774 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:57,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-27 23:23:57,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:57,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:57,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:57,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:57,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:57,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:57,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:57,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:57,802 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:57,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-27 23:23:57,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:57,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:57,817 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:57,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-27 23:23:57,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:57,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:57,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:57,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:57,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:57,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:57,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:57,850 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:57,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:57,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:57,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:57,865 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:57,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-27 23:23:57,869 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 [2024-11-27 23:23:57,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:57,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:57,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:57,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:57,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:57,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:57,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:57,888 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:57,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-27 23:23:57,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:57,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:57,902 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:57,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-27 23:23:57,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:57,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:57,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:57,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:57,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:57,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:57,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:57,931 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:57,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:57,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:57,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:57,944 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:57,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-27 23:23:57,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:57,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:57,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:57,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:57,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:57,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:57,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:57,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:57,967 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:57,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-27 23:23:57,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:57,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:57,981 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:57,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-27 23:23:57,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:58,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:58,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:58,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:58,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:58,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:58,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:58,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:58,003 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:58,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-27 23:23:58,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:58,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:58,012 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:58,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-27 23:23:58,015 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 [2024-11-27 23:23:58,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:58,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:58,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:58,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:58,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:58,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:58,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:58,030 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:58,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-27 23:23:58,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:58,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:58,039 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:58,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-27 23:23:58,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:58,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:58,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:58,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:58,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:58,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:58,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:58,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:58,063 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:58,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-27 23:23:58,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:58,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:58,075 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:58,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-27 23:23:58,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:58,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:58,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:58,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:58,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:58,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:58,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:58,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:58,093 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:58,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-27 23:23:58,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:58,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:58,102 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:58,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-27 23:23:58,105 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 [2024-11-27 23:23:58,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:58,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:58,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:58,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:58,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:58,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:58,126 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:58,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-27 23:23:58,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:58,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:58,135 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:58,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-27 23:23:58,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:58,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:58,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:58,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:58,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:58,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:58,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:58,164 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:58,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-27 23:23:58,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:58,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:58,178 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:58,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-27 23:23:58,183 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 [2024-11-27 23:23:58,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:58,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:58,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:58,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:58,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:58,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:58,210 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:58,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:58,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:58,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:58,224 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:58,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-27 23:23:58,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:58,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:58,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:58,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:58,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:58,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:58,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:58,255 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:58,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:58,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:58,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:58,269 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:58,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-27 23:23:58,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:58,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:58,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:58,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:58,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:58,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:58,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:58,299 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:58,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-27 23:23:58,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:58,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:58,313 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:58,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-27 23:23:58,318 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 [2024-11-27 23:23:58,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:58,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:58,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:58,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:58,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:58,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:58,357 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:23:58,407 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2024-11-27 23:23:58,408 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 15 variables to zero. [2024-11-27 23:23:58,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:58,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:58,412 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:58,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-27 23:23:58,415 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:23:58,435 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:23:58,435 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:23:58,435 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~length~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~length~0#1 Supporting invariants [] [2024-11-27 23:23:58,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:58,460 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2024-11-27 23:23:58,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:58,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:23:58,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:58,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:23:58,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:58,574 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 [2024-11-27 23:23:58,574 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-27 23:23:58,609 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 22 states and 28 transitions. Complement of second has 4 states. [2024-11-27 23:23:58,611 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 [2024-11-27 23:23:58,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-27 23:23:58,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2024-11-27 23:23:58,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 11 letters. Loop has 4 letters. [2024-11-27 23:23:58,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:23:58,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 15 letters. Loop has 4 letters. [2024-11-27 23:23:58,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:23:58,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 11 letters. Loop has 8 letters. [2024-11-27 23:23:58,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:23:58,613 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2024-11-27 23:23:58,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:23:58,614 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 21 states and 27 transitions. [2024-11-27 23:23:58,614 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:23:58,618 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-27 23:23:58,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2024-11-27 23:23:58,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:23:58,618 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2024-11-27 23:23:58,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2024-11-27 23:23:58,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2024-11-27 23:23:58,620 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) [2024-11-27 23:23:58,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2024-11-27 23:23:58,621 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2024-11-27 23:23:58,621 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2024-11-27 23:23:58,621 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-27 23:23:58,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2024-11-27 23:23:58,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:23:58,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:23:58,624 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:23:58,625 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:58,625 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:23:58,625 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:23:58,625 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:23:58,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:58,626 INFO L85 PathProgramCache]: Analyzing trace with hash -140581075, now seen corresponding path program 1 times [2024-11-27 23:23:58,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:23:58,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174644325] [2024-11-27 23:23:58,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:58,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:58,655 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:23:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:58,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:23:58,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:58,678 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 1 times [2024-11-27 23:23:58,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:23:58,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715699603] [2024-11-27 23:23:58,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:58,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:58,691 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:23:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:58,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:23:58,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:58,701 INFO L85 PathProgramCache]: Analyzing trace with hash -457644954, now seen corresponding path program 1 times [2024-11-27 23:23:58,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:23:58,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954336023] [2024-11-27 23:23:58,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:58,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:58,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-27 23:23:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:58,749 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:23:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:23:58,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:23:59,045 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:23:59,045 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:23:59,045 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:23:59,045 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:23:59,045 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:23:59,046 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:59,046 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:23:59,046 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:23:59,046 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration5_Lasso [2024-11-27 23:23:59,046 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:23:59,046 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:23:59,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,052 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:23:59,498 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:23:59,499 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:23:59,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:59,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:59,501 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:59,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-27 23:23:59,505 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 [2024-11-27 23:23:59,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:59,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:59,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:59,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:59,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:59,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:59,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:59,521 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:59,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-27 23:23:59,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:59,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:59,532 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:59,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-27 23:23:59,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:59,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:59,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:59,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:59,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:59,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:59,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:59,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:59,548 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:59,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-27 23:23:59,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:59,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:59,558 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:59,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-27 23:23:59,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:59,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:59,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:59,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:59,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:59,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:59,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:59,580 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:59,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:59,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:59,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:59,591 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:59,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-27 23:23:59,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:59,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:59,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:59,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:59,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:59,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:59,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:59,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:59,611 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:59,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-27 23:23:59,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:59,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:59,624 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:59,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-27 23:23:59,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:59,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:59,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:59,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:59,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:59,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:59,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:59,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:59,648 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:59,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-27 23:23:59,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:59,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:59,661 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:59,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-27 23:23:59,666 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 [2024-11-27 23:23:59,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:59,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:59,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:59,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:59,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:59,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:59,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:59,686 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:59,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:59,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:59,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:59,698 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:59,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-27 23:23:59,702 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 [2024-11-27 23:23:59,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:59,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:23:59,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:59,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:59,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:59,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:23:59,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:23:59,720 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:59,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:59,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:59,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:59,732 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:59,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-27 23:23:59,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:59,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:59,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:59,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:59,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:59,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:59,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:59,769 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:59,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:59,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:59,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:59,781 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:59,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-27 23:23:59,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:23:59,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:59,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:59,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:59,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:59,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:59,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:59,812 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:23:59,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-27 23:23:59,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:59,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:59,824 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:59,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-27 23:23:59,828 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 [2024-11-27 23:23:59,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:23:59,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:23:59,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:23:59,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:23:59,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:23:59,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:23:59,855 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:23:59,869 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-27 23:23:59,870 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-27 23:23:59,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:23:59,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:59,872 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:59,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-27 23:23:59,887 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:23:59,903 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:23:59,903 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:23:59,903 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 0)_2) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 0)_2 Supporting invariants [] [2024-11-27 23:23:59,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-27 23:23:59,925 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2024-11-27 23:23:59,928 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:23:59,928 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:23:59,928 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:23:59,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:59,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:23:59,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:00,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:00,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:00,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:00,108 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2024-11-27 23:24:00,108 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2024-11-27 23:24:00,201 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 33 states and 41 transitions. Complement of second has 11 states. [2024-11-27 23:24:00,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-27 23:24:00,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2024-11-27 23:24:00,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 18 transitions. [2024-11-27 23:24:00,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 18 transitions. Stem has 12 letters. Loop has 3 letters. [2024-11-27 23:24:00,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:00,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2024-11-27 23:24:00,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:00,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 18 transitions. Stem has 12 letters. Loop has 6 letters. [2024-11-27 23:24:00,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:00,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 41 transitions. [2024-11-27 23:24:00,204 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:00,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 25 states and 31 transitions. [2024-11-27 23:24:00,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:24:00,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:24:00,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 31 transitions. [2024-11-27 23:24:00,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:00,206 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2024-11-27 23:24:00,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 31 transitions. [2024-11-27 23:24:00,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2024-11-27 23:24:00,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.25) internal successors, (30), 23 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) [2024-11-27 23:24:00,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2024-11-27 23:24:00,208 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 30 transitions. [2024-11-27 23:24:00,208 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2024-11-27 23:24:00,208 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-27 23:24:00,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2024-11-27 23:24:00,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:00,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:00,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:00,209 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:00,209 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:00,210 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:00,210 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:00,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:00,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1302089599, now seen corresponding path program 2 times [2024-11-27 23:24:00,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:00,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632389831] [2024-11-27 23:24:00,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:00,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:00,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:24:00,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632389831] [2024-11-27 23:24:00,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632389831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:00,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982036645] [2024-11-27 23:24:00,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:00,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:00,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:00,317 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:00,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-27 23:24:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:00,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:24:00,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:00,445 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:00,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982036645] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:00,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:00,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-27 23:24:00,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888967627] [2024-11-27 23:24:00,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:00,501 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:24:00,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:00,502 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 2 times [2024-11-27 23:24:00,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:00,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969501323] [2024-11-27 23:24:00,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:00,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:00,508 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:00,513 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:00,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:24:00,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 23:24:00,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:24:00,564 INFO L87 Difference]: Start difference. First operand 24 states and 30 transitions. cyclomatic complexity: 10 Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 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) [2024-11-27 23:24:00,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:00,695 INFO L93 Difference]: Finished difference Result 49 states and 61 transitions. [2024-11-27 23:24:00,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 61 transitions. [2024-11-27 23:24:00,697 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:00,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 31 states and 38 transitions. [2024-11-27 23:24:00,697 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:24:00,697 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:24:00,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2024-11-27 23:24:00,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:00,698 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 38 transitions. [2024-11-27 23:24:00,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2024-11-27 23:24:00,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2024-11-27 23:24:00,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 27 states have internal predecessors, (34), 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) [2024-11-27 23:24:00,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2024-11-27 23:24:00,703 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 34 transitions. [2024-11-27 23:24:00,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:24:00,706 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2024-11-27 23:24:00,706 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-27 23:24:00,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2024-11-27 23:24:00,707 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:00,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:00,707 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:00,707 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:00,707 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:00,708 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:00,708 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:00,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:00,708 INFO L85 PathProgramCache]: Analyzing trace with hash 197657627, now seen corresponding path program 3 times [2024-11-27 23:24:00,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:00,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666258010] [2024-11-27 23:24:00,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:00,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:00,729 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:00,750 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:00,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:00,751 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 3 times [2024-11-27 23:24:00,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:00,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648174343] [2024-11-27 23:24:00,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:00,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:00,760 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:00,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:00,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:00,772 INFO L85 PathProgramCache]: Analyzing trace with hash 18249912, now seen corresponding path program 1 times [2024-11-27 23:24:00,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:00,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85938071] [2024-11-27 23:24:00,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:00,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:00,793 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:00,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:00,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:01,337 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:24:01,337 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:24:01,337 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:24:01,337 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:24:01,337 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:24:01,338 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:01,338 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:24:01,338 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:24:01,338 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration7_Lasso [2024-11-27 23:24:01,338 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:24:01,338 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:24:01,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:01,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:01,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:01,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:01,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:01,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:01,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:01,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:01,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:01,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:01,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:01,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:01,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:01,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:01,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:01,920 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:24:01,920 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:24:01,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:01,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:01,925 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:01,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:01,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-27 23:24:01,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:01,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:01,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:01,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:01,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:01,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:01,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:01,942 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:01,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:01,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:01,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:01,952 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:01,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-27 23:24:01,955 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 [2024-11-27 23:24:01,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:01,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:01,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:01,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:01,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:01,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:01,979 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:24:01,994 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-27 23:24:01,994 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-27 23:24:01,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:01,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:01,997 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:01,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-27 23:24:01,999 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:24:02,011 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:24:02,011 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:24:02,011 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 [] [2024-11-27 23:24:02,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-27 23:24:02,035 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2024-11-27 23:24:02,037 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:24:02,037 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:24:02,037 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:24:02,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:02,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:24:02,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:02,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:02,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:02,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:02,207 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2024-11-27 23:24:02,207 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) [2024-11-27 23:24:02,233 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 10. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) Result 29 states and 36 transitions. Complement of second has 4 states. [2024-11-27 23:24:02,234 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 [2024-11-27 23:24:02,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) [2024-11-27 23:24:02,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:24:02,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 20 letters. Loop has 3 letters. [2024-11-27 23:24:02,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:02,235 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:02,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:02,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:24:02,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:02,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:02,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:02,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:02,398 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2024-11-27 23:24:02,399 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) [2024-11-27 23:24:02,423 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 10. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) Result 29 states and 36 transitions. Complement of second has 4 states. [2024-11-27 23:24:02,424 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 [2024-11-27 23:24:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) [2024-11-27 23:24:02,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:24:02,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 20 letters. Loop has 3 letters. [2024-11-27 23:24:02,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:02,425 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:02,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:02,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:24:02,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:02,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:02,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:02,591 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 3 loop predicates [2024-11-27 23:24:02,591 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) [2024-11-27 23:24:02,697 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 10. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) Result 47 states and 57 transitions. Complement of second has 12 states. [2024-11-27 23:24:02,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 3 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:24:02,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) [2024-11-27 23:24:02,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 37 transitions. [2024-11-27 23:24:02,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 37 transitions. Stem has 20 letters. Loop has 3 letters. [2024-11-27 23:24:02,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:02,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 37 transitions. Stem has 23 letters. Loop has 3 letters. [2024-11-27 23:24:02,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:02,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 37 transitions. Stem has 20 letters. Loop has 6 letters. [2024-11-27 23:24:02,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:02,700 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 57 transitions. [2024-11-27 23:24:02,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:02,701 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 39 states and 47 transitions. [2024-11-27 23:24:02,701 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:24:02,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:24:02,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 47 transitions. [2024-11-27 23:24:02,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:02,705 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 47 transitions. [2024-11-27 23:24:02,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 47 transitions. [2024-11-27 23:24:02,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 34. [2024-11-27 23:24:02,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 33 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) [2024-11-27 23:24:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2024-11-27 23:24:02,710 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 41 transitions. [2024-11-27 23:24:02,710 INFO L425 stractBuchiCegarLoop]: Abstraction has 34 states and 41 transitions. [2024-11-27 23:24:02,710 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-27 23:24:02,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 41 transitions. [2024-11-27 23:24:02,711 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:02,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:02,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:02,715 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:02,715 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:02,715 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:02,715 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:02,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:02,716 INFO L85 PathProgramCache]: Analyzing trace with hash 565749359, now seen corresponding path program 4 times [2024-11-27 23:24:02,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:02,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905346269] [2024-11-27 23:24:02,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:02,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:02,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-27 23:24:02,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:24:02,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905346269] [2024-11-27 23:24:02,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905346269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:02,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670688] [2024-11-27 23:24:02,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:02,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:02,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:02,949 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:02,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-11-27 23:24:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:03,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:03,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:03,115 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:03,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670688] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:03,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:03,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-11-27 23:24:03,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465920242] [2024-11-27 23:24:03,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:03,198 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:24:03,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:03,198 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 4 times [2024-11-27 23:24:03,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:03,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669867070] [2024-11-27 23:24:03,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:03,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:03,207 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:03,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:03,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:24:03,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:24:03,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:24:03,272 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. cyclomatic complexity: 12 Second operand has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 14 states have internal predecessors, (44), 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) [2024-11-27 23:24:03,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:03,379 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2024-11-27 23:24:03,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 66 transitions. [2024-11-27 23:24:03,380 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:03,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 41 states and 50 transitions. [2024-11-27 23:24:03,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:24:03,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:24:03,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 50 transitions. [2024-11-27 23:24:03,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:03,385 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 50 transitions. [2024-11-27 23:24:03,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 50 transitions. [2024-11-27 23:24:03,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2024-11-27 23:24:03,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 37 states have internal predecessors, (46), 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) [2024-11-27 23:24:03,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2024-11-27 23:24:03,389 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 46 transitions. [2024-11-27 23:24:03,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:24:03,392 INFO L425 stractBuchiCegarLoop]: Abstraction has 38 states and 46 transitions. [2024-11-27 23:24:03,392 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-27 23:24:03,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 46 transitions. [2024-11-27 23:24:03,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:03,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:03,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:03,393 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:03,393 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:03,393 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:03,393 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:03,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:03,394 INFO L85 PathProgramCache]: Analyzing trace with hash 944029705, now seen corresponding path program 5 times [2024-11-27 23:24:03,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:03,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858091783] [2024-11-27 23:24:03,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:03,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:03,428 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:03,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:03,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:03,462 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 5 times [2024-11-27 23:24:03,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:03,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334741401] [2024-11-27 23:24:03,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:03,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:03,471 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:03,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:03,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:03,476 INFO L85 PathProgramCache]: Analyzing trace with hash 143134218, now seen corresponding path program 2 times [2024-11-27 23:24:03,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:03,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206295695] [2024-11-27 23:24:03,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:03,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:03,510 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:03,531 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:04,117 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:24:04,117 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:24:04,118 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:24:04,118 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:24:04,118 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:24:04,118 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:04,118 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:24:04,118 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:24:04,118 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration9_Lasso [2024-11-27 23:24:04,118 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:24:04,118 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:24:04,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:04,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:04,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:04,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:04,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:04,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:04,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:04,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:04,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:04,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:04,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:04,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:04,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:04,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:04,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:04,795 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:24:04,795 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:24:04,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:04,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:04,798 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:04,803 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 [2024-11-27 23:24:04,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-27 23:24:04,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:04,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:04,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:04,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:04,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:04,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:04,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:04,821 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:04,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-11-27 23:24:04,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:04,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:04,832 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:04,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-27 23:24:04,836 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 [2024-11-27 23:24:04,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:04,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:04,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:04,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:04,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:04,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:04,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:04,852 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:04,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-11-27 23:24:04,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:04,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:04,861 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:04,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-27 23:24:04,864 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 [2024-11-27 23:24:04,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:04,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:04,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:04,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:04,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:04,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:04,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:04,878 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:04,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:04,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:04,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:04,890 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:04,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-27 23:24:04,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:04,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:04,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:04,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:04,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:04,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:04,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:04,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:04,907 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:04,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-27 23:24:04,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:04,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:04,922 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:04,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-27 23:24:04,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:04,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:04,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:04,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:04,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:04,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:04,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:04,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:04,942 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:04,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-11-27 23:24:04,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:04,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:04,953 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:04,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-11-27 23:24:04,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:04,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:04,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:04,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:04,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:04,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:04,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:04,979 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:04,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:04,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:04,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:04,990 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:04,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:04,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-27 23:24:05,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:05,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:05,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:05,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:05,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:05,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:05,020 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:05,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2024-11-27 23:24:05,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:05,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:05,032 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:05,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-27 23:24:05,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:05,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:05,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:05,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:05,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:05,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:05,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:05,066 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:24:05,082 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-27 23:24:05,082 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-27 23:24:05,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:05,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:05,086 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:05,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-11-27 23:24:05,091 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:24:05,107 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:24:05,107 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:24:05,107 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 8)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 8)_1 Supporting invariants [] [2024-11-27 23:24:05,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-11-27 23:24:05,153 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2024-11-27 23:24:05,155 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:24:05,155 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:24:05,155 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:24:05,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:05,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:24:05,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:05,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:05,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:05,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2024-11-27 23:24:05,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:05,490 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2024-11-27 23:24:05,490 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 46 transitions. cyclomatic complexity: 13 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2024-11-27 23:24:05,533 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 46 transitions. cyclomatic complexity: 13. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) Result 39 states and 48 transitions. Complement of second has 5 states. [2024-11-27 23:24:05,535 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 [2024-11-27 23:24:05,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2024-11-27 23:24:05,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-27 23:24:05,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 28 letters. Loop has 3 letters. [2024-11-27 23:24:05,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:05,538 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:05,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:05,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:24:05,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:05,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:05,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:05,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:05,828 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 3 loop predicates [2024-11-27 23:24:05,828 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 46 transitions. cyclomatic complexity: 13 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2024-11-27 23:24:05,863 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 46 transitions. cyclomatic complexity: 13. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) Result 39 states and 48 transitions. Complement of second has 5 states. [2024-11-27 23:24:05,863 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 [2024-11-27 23:24:05,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2024-11-27 23:24:05,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-27 23:24:05,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 28 letters. Loop has 3 letters. [2024-11-27 23:24:05,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:05,864 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:05,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:05,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:24:05,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:06,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:06,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:06,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:06,145 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2024-11-27 23:24:06,145 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 46 transitions. cyclomatic complexity: 13 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2024-11-27 23:24:06,299 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 46 transitions. cyclomatic complexity: 13. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) Result 58 states and 71 transitions. Complement of second has 15 states. [2024-11-27 23:24:06,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 5 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:24:06,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2024-11-27 23:24:06,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 44 transitions. [2024-11-27 23:24:06,303 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 44 transitions. Stem has 28 letters. Loop has 3 letters. [2024-11-27 23:24:06,303 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:06,303 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 44 transitions. Stem has 31 letters. Loop has 3 letters. [2024-11-27 23:24:06,303 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:06,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 44 transitions. Stem has 28 letters. Loop has 6 letters. [2024-11-27 23:24:06,306 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:06,306 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 71 transitions. [2024-11-27 23:24:06,307 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:06,307 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 50 states and 61 transitions. [2024-11-27 23:24:06,307 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:24:06,308 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:24:06,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 61 transitions. [2024-11-27 23:24:06,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:06,308 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 61 transitions. [2024-11-27 23:24:06,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 61 transitions. [2024-11-27 23:24:06,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 44. [2024-11-27 23:24:06,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 43 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) [2024-11-27 23:24:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2024-11-27 23:24:06,314 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 53 transitions. [2024-11-27 23:24:06,314 INFO L425 stractBuchiCegarLoop]: Abstraction has 44 states and 53 transitions. [2024-11-27 23:24:06,314 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-27 23:24:06,315 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 53 transitions. [2024-11-27 23:24:06,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:06,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:06,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:06,319 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:06,319 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:06,319 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:06,319 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:06,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:06,320 INFO L85 PathProgramCache]: Analyzing trace with hash 142195549, now seen corresponding path program 6 times [2024-11-27 23:24:06,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:06,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474201973] [2024-11-27 23:24:06,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:06,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:06,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:24:06,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474201973] [2024-11-27 23:24:06,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474201973] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:06,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846555675] [2024-11-27 23:24:06,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:06,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:06,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:06,488 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:06,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-11-27 23:24:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:06,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:24:06,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:06,683 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:06,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846555675] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:06,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:06,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2024-11-27 23:24:06,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516539140] [2024-11-27 23:24:06,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:06,788 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:24:06,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:06,789 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 6 times [2024-11-27 23:24:06,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:06,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003981940] [2024-11-27 23:24:06,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:06,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:06,794 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:06,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:06,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:24:06,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 23:24:06,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:24:06,834 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. cyclomatic complexity: 15 Second operand has 17 states, 16 states have (on average 3.5) internal successors, (56), 17 states have internal predecessors, (56), 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) [2024-11-27 23:24:06,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:06,936 INFO L93 Difference]: Finished difference Result 71 states and 85 transitions. [2024-11-27 23:24:06,936 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 85 transitions. [2024-11-27 23:24:06,936 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:06,937 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 51 states and 62 transitions. [2024-11-27 23:24:06,937 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:24:06,937 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:24:06,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 62 transitions. [2024-11-27 23:24:06,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:06,938 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 62 transitions. [2024-11-27 23:24:06,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 62 transitions. [2024-11-27 23:24:06,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2024-11-27 23:24:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 47 states have internal predecessors, (58), 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) [2024-11-27 23:24:06,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2024-11-27 23:24:06,941 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 58 transitions. [2024-11-27 23:24:06,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:24:06,942 INFO L425 stractBuchiCegarLoop]: Abstraction has 48 states and 58 transitions. [2024-11-27 23:24:06,942 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-27 23:24:06,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 58 transitions. [2024-11-27 23:24:06,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:06,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:06,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:06,944 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:06,944 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:06,944 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:06,944 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:06,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:06,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1291347209, now seen corresponding path program 7 times [2024-11-27 23:24:06,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:06,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422997473] [2024-11-27 23:24:06,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:06,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:06,965 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:06,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:06,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:06,986 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 7 times [2024-11-27 23:24:06,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:06,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317326158] [2024-11-27 23:24:06,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:06,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:06,995 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:07,003 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:07,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:07,003 INFO L85 PathProgramCache]: Analyzing trace with hash -502586276, now seen corresponding path program 3 times [2024-11-27 23:24:07,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:07,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511955975] [2024-11-27 23:24:07,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:07,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:07,025 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:07,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:08,338 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:24:08,338 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:24:08,338 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:24:08,339 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:24:08,339 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:24:08,339 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:08,339 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:24:08,339 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:24:08,339 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration11_Lasso [2024-11-27 23:24:08,339 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:24:08,339 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:24:08,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:08,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:08,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:08,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:08,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:08,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:08,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:08,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:08,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:08,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:08,764 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:08,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:08,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:08,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:08,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:09,094 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:24:09,094 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:24:09,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:09,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:09,098 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:09,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-11-27 23:24:09,100 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 [2024-11-27 23:24:09,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:09,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:09,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:09,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:09,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:09,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:09,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:09,118 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:09,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-11-27 23:24:09,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:09,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:09,129 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:09,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-11-27 23:24:09,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:09,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:09,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:09,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:09,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:09,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:09,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:09,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:09,145 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:09,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-11-27 23:24:09,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:09,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:09,157 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:09,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-11-27 23:24:09,163 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 [2024-11-27 23:24:09,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:09,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:09,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:09,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:09,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:09,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:09,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:09,178 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:09,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2024-11-27 23:24:09,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:09,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:09,186 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:09,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-11-27 23:24:09,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:09,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:09,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:09,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:09,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:09,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:09,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:09,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:09,201 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:09,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-11-27 23:24:09,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:09,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:09,209 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:09,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-11-27 23:24:09,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:09,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:09,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:09,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:09,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:09,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:09,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:09,227 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:09,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2024-11-27 23:24:09,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:09,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:09,234 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:09,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-11-27 23:24:09,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:09,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:09,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:09,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:09,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:09,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:09,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:09,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:09,249 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:09,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-11-27 23:24:09,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:09,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:09,257 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:09,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-11-27 23:24:09,260 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 [2024-11-27 23:24:09,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:09,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:09,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:09,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:09,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:09,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:09,276 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:09,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2024-11-27 23:24:09,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:09,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:09,284 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:09,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-11-27 23:24:09,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:09,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:09,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:09,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:09,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:09,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:09,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:09,303 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:09,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2024-11-27 23:24:09,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:09,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:09,312 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:09,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-11-27 23:24:09,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:09,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:09,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:09,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:09,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:09,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:09,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:09,336 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:09,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2024-11-27 23:24:09,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:09,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:09,348 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:09,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-11-27 23:24:09,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:09,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:09,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:09,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:09,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:09,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:09,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:09,375 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:09,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2024-11-27 23:24:09,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:09,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:09,383 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:09,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-11-27 23:24:09,386 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 [2024-11-27 23:24:09,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:09,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:09,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:09,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:09,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:09,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:09,408 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:24:09,417 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-27 23:24:09,417 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-27 23:24:09,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:09,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:09,419 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:09,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-11-27 23:24:09,421 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:24:09,434 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:24:09,434 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:24:09,434 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 12))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 12))_1 Supporting invariants [] [2024-11-27 23:24:09,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2024-11-27 23:24:09,477 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2024-11-27 23:24:09,480 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:24:09,480 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:24:09,480 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:24:09,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:09,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:24:09,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:09,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:09,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:09,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:09,674 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2024-11-27 23:24:09,674 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 58 transitions. cyclomatic complexity: 16 Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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) [2024-11-27 23:24:09,704 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 58 transitions. cyclomatic complexity: 16. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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 49 states and 60 transitions. Complement of second has 4 states. [2024-11-27 23:24:09,705 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 [2024-11-27 23:24:09,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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) [2024-11-27 23:24:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:24:09,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 36 letters. Loop has 3 letters. [2024-11-27 23:24:09,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:09,706 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:09,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-11-27 23:24:09,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:09,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:24:09,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:09,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:09,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:09,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:09,942 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 3 loop predicates [2024-11-27 23:24:09,942 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 58 transitions. cyclomatic complexity: 16 Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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) [2024-11-27 23:24:09,966 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 58 transitions. cyclomatic complexity: 16. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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 49 states and 60 transitions. Complement of second has 4 states. [2024-11-27 23:24:09,967 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 [2024-11-27 23:24:09,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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) [2024-11-27 23:24:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:24:09,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 36 letters. Loop has 3 letters. [2024-11-27 23:24:09,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:09,968 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:09,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:10,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:24:10,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:10,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:10,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:10,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:10,171 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2024-11-27 23:24:10,171 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 58 transitions. cyclomatic complexity: 16 Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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) [2024-11-27 23:24:10,296 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 58 transitions. cyclomatic complexity: 16. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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 69 states and 85 transitions. Complement of second has 16 states. [2024-11-27 23:24:10,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 5 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:24:10,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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) [2024-11-27 23:24:10,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 51 transitions. [2024-11-27 23:24:10,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 36 letters. Loop has 3 letters. [2024-11-27 23:24:10,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:10,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 39 letters. Loop has 3 letters. [2024-11-27 23:24:10,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:10,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 36 letters. Loop has 6 letters. [2024-11-27 23:24:10,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:10,299 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 85 transitions. [2024-11-27 23:24:10,300 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:10,301 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 61 states and 75 transitions. [2024-11-27 23:24:10,301 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:24:10,301 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:24:10,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 75 transitions. [2024-11-27 23:24:10,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:10,301 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 75 transitions. [2024-11-27 23:24:10,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 75 transitions. [2024-11-27 23:24:10,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 54. [2024-11-27 23:24:10,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 53 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) [2024-11-27 23:24:10,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2024-11-27 23:24:10,305 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 65 transitions. [2024-11-27 23:24:10,305 INFO L425 stractBuchiCegarLoop]: Abstraction has 54 states and 65 transitions. [2024-11-27 23:24:10,305 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-11-27 23:24:10,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 65 transitions. [2024-11-27 23:24:10,306 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:10,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:10,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:10,307 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:10,307 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:10,307 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:10,307 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:10,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:10,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1599696715, now seen corresponding path program 8 times [2024-11-27 23:24:10,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:10,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136136797] [2024-11-27 23:24:10,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:10,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:10,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:24:10,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136136797] [2024-11-27 23:24:10,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136136797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:10,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119452515] [2024-11-27 23:24:10,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:10,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:10,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:10,569 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:10,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Waiting until timeout for monitored process [2024-11-27 23:24:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:10,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:24:10,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:10,843 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:10,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119452515] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:10,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:10,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2024-11-27 23:24:10,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874420448] [2024-11-27 23:24:10,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:10,997 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:24:10,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:10,997 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 8 times [2024-11-27 23:24:10,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:10,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102651272] [2024-11-27 23:24:10,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:10,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:11,004 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:11,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:11,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:24:11,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-27 23:24:11,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:24:11,057 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. cyclomatic complexity: 18 Second operand has 20 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 20 states have internal predecessors, (68), 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) [2024-11-27 23:24:11,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:11,202 INFO L93 Difference]: Finished difference Result 87 states and 104 transitions. [2024-11-27 23:24:11,202 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 104 transitions. [2024-11-27 23:24:11,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:11,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 61 states and 74 transitions. [2024-11-27 23:24:11,204 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:24:11,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:24:11,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 74 transitions. [2024-11-27 23:24:11,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:11,204 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 74 transitions. [2024-11-27 23:24:11,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 74 transitions. [2024-11-27 23:24:11,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 58. [2024-11-27 23:24:11,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.206896551724138) internal successors, (70), 57 states have internal predecessors, (70), 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) [2024-11-27 23:24:11,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 70 transitions. [2024-11-27 23:24:11,208 INFO L240 hiAutomatonCegarLoop]: Abstraction has 58 states and 70 transitions. [2024-11-27 23:24:11,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:24:11,209 INFO L425 stractBuchiCegarLoop]: Abstraction has 58 states and 70 transitions. [2024-11-27 23:24:11,209 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-11-27 23:24:11,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 70 transitions. [2024-11-27 23:24:11,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:11,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:11,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:11,210 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:11,210 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:11,211 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:11,211 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:11,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:11,211 INFO L85 PathProgramCache]: Analyzing trace with hash -87878427, now seen corresponding path program 9 times [2024-11-27 23:24:11,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:11,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143576752] [2024-11-27 23:24:11,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:11,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:11,235 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:11,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:11,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:11,262 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 9 times [2024-11-27 23:24:11,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:11,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625482868] [2024-11-27 23:24:11,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:11,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:11,267 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:11,270 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:11,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:11,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1943878574, now seen corresponding path program 4 times [2024-11-27 23:24:11,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:11,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389523897] [2024-11-27 23:24:11,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:11,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:11,296 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:11,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:13,325 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:24:13,325 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:24:13,325 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:24:13,325 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:24:13,325 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:24:13,325 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:13,325 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:24:13,325 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:24:13,325 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration13_Lasso [2024-11-27 23:24:13,325 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:24:13,325 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:24:13,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:13,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:13,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:13,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:13,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:13,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:13,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:13,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:13,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:13,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:14,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:14,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:14,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:14,018 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:14,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:14,405 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:24:14,405 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:24:14,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:14,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:14,408 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:14,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-11-27 23:24:14,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:14,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:14,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:14,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:14,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:14,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:14,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:14,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:14,423 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:14,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:14,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:14,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:14,432 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:14,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2024-11-27 23:24:14,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:14,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:14,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:14,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:14,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:14,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:14,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:14,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:14,447 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:14,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2024-11-27 23:24:14,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:14,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:14,455 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:14,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2024-11-27 23:24:14,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:14,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:14,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:14,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:14,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:14,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:14,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:14,473 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:14,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2024-11-27 23:24:14,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:14,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:14,480 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:14,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2024-11-27 23:24:14,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:14,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:14,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:14,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:14,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:14,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:14,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:14,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:14,495 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:14,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2024-11-27 23:24:14,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:14,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:14,502 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:14,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2024-11-27 23:24:14,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:14,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:14,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:14,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:14,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:14,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:14,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:14,525 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:14,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2024-11-27 23:24:14,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:14,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:14,532 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:14,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2024-11-27 23:24:14,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:14,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:14,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:14,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:14,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:14,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:14,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:14,557 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:14,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:14,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:14,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:14,565 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:14,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2024-11-27 23:24:14,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:14,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:14,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:14,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:14,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:14,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:14,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:14,587 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:14,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2024-11-27 23:24:14,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:14,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:14,595 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:14,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2024-11-27 23:24:14,597 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 [2024-11-27 23:24:14,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:14,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:14,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:14,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:14,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:14,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:14,617 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:14,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2024-11-27 23:24:14,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:14,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:14,624 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:14,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2024-11-27 23:24:14,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:14,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:14,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:14,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:14,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:14,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:14,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:14,642 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:14,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2024-11-27 23:24:14,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:14,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:14,650 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:14,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2024-11-27 23:24:14,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:14,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:14,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:14,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:14,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:14,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:14,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:14,671 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:14,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2024-11-27 23:24:14,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:14,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:14,679 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:14,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2024-11-27 23:24:14,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:14,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:14,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:14,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:14,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:14,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:14,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:14,702 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:24:14,712 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-11-27 23:24:14,712 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-27 23:24:14,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:14,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:14,714 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:14,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2024-11-27 23:24:14,716 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:24:14,727 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:24:14,728 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:24:14,728 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 [] [2024-11-27 23:24:14,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2024-11-27 23:24:14,779 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2024-11-27 23:24:14,781 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:24:14,781 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:24:14,781 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:24:14,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:14,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:24:14,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:14,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:14,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:15,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:15,016 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2024-11-27 23:24:15,017 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 58 states and 70 transitions. cyclomatic complexity: 19 Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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) [2024-11-27 23:24:15,046 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 58 states and 70 transitions. cyclomatic complexity: 19. Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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 59 states and 72 transitions. Complement of second has 4 states. [2024-11-27 23:24:15,047 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 [2024-11-27 23:24:15,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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) [2024-11-27 23:24:15,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:24:15,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 44 letters. Loop has 3 letters. [2024-11-27 23:24:15,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:15,049 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:15,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:15,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:24:15,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:15,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2024-11-27 23:24:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:15,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:15,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:15,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:15,292 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 3 loop predicates [2024-11-27 23:24:15,292 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 58 states and 70 transitions. cyclomatic complexity: 19 Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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) [2024-11-27 23:24:15,314 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 58 states and 70 transitions. cyclomatic complexity: 19. Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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 59 states and 72 transitions. Complement of second has 4 states. [2024-11-27 23:24:15,315 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 [2024-11-27 23:24:15,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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) [2024-11-27 23:24:15,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:24:15,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 44 letters. Loop has 3 letters. [2024-11-27 23:24:15,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:15,316 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:15,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:15,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:24:15,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:15,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:15,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:15,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:15,593 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 3 loop predicates [2024-11-27 23:24:15,594 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 58 states and 70 transitions. cyclomatic complexity: 19 Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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) [2024-11-27 23:24:15,753 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 58 states and 70 transitions. cyclomatic complexity: 19. Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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 99 transitions. Complement of second has 18 states. [2024-11-27 23:24:15,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 6 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:24:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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) [2024-11-27 23:24:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 58 transitions. [2024-11-27 23:24:15,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 58 transitions. Stem has 44 letters. Loop has 3 letters. [2024-11-27 23:24:15,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:15,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 58 transitions. Stem has 47 letters. Loop has 3 letters. [2024-11-27 23:24:15,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:15,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 58 transitions. Stem has 44 letters. Loop has 6 letters. [2024-11-27 23:24:15,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:15,755 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 99 transitions. [2024-11-27 23:24:15,756 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:15,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 72 states and 89 transitions. [2024-11-27 23:24:15,757 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:24:15,757 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:24:15,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 89 transitions. [2024-11-27 23:24:15,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:15,757 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 89 transitions. [2024-11-27 23:24:15,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 89 transitions. [2024-11-27 23:24:15,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 64. [2024-11-27 23:24:15,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 64 states have (on average 1.203125) internal successors, (77), 63 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) [2024-11-27 23:24:15,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 77 transitions. [2024-11-27 23:24:15,761 INFO L240 hiAutomatonCegarLoop]: Abstraction has 64 states and 77 transitions. [2024-11-27 23:24:15,761 INFO L425 stractBuchiCegarLoop]: Abstraction has 64 states and 77 transitions. [2024-11-27 23:24:15,761 INFO L332 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2024-11-27 23:24:15,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 64 states and 77 transitions. [2024-11-27 23:24:15,761 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:15,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:15,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:15,762 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:15,763 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:15,763 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:15,763 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:15,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:15,763 INFO L85 PathProgramCache]: Analyzing trace with hash 130695737, now seen corresponding path program 10 times [2024-11-27 23:24:15,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:15,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67412842] [2024-11-27 23:24:15,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:15,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:16,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:24:16,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67412842] [2024-11-27 23:24:16,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67412842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:16,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819831356] [2024-11-27 23:24:16,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:16,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:16,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:16,058 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:16,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Waiting until timeout for monitored process [2024-11-27 23:24:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:16,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:24:16,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:16,335 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:16,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819831356] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:16,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:16,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 22 [2024-11-27 23:24:16,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941642024] [2024-11-27 23:24:16,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:16,481 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:24:16,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:16,482 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 10 times [2024-11-27 23:24:16,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:16,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730759999] [2024-11-27 23:24:16,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:16,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:16,491 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:16,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:16,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:24:16,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-27 23:24:16,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-11-27 23:24:16,542 INFO L87 Difference]: Start difference. First operand 64 states and 77 transitions. cyclomatic complexity: 21 Second operand has 23 states, 22 states have (on average 3.6363636363636362) internal successors, (80), 23 states have internal predecessors, (80), 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) [2024-11-27 23:24:16,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:16,702 INFO L93 Difference]: Finished difference Result 103 states and 123 transitions. [2024-11-27 23:24:16,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 123 transitions. [2024-11-27 23:24:16,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:16,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 71 states and 86 transitions. [2024-11-27 23:24:16,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:24:16,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:24:16,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 86 transitions. [2024-11-27 23:24:16,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:16,708 INFO L218 hiAutomatonCegarLoop]: Abstraction has 71 states and 86 transitions. [2024-11-27 23:24:16,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 86 transitions. [2024-11-27 23:24:16,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 68. [2024-11-27 23:24:16,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.2058823529411764) internal successors, (82), 67 states have internal predecessors, (82), 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) [2024-11-27 23:24:16,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 82 transitions. [2024-11-27 23:24:16,712 INFO L240 hiAutomatonCegarLoop]: Abstraction has 68 states and 82 transitions. [2024-11-27 23:24:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 23:24:16,713 INFO L425 stractBuchiCegarLoop]: Abstraction has 68 states and 82 transitions. [2024-11-27 23:24:16,716 INFO L332 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2024-11-27 23:24:16,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 82 transitions. [2024-11-27 23:24:16,717 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:16,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:16,717 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:16,718 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:16,718 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:16,718 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:16,718 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:16,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:16,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1995025875, now seen corresponding path program 11 times [2024-11-27 23:24:16,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:16,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110951344] [2024-11-27 23:24:16,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:16,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:16,747 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:16,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:16,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:16,768 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 11 times [2024-11-27 23:24:16,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:16,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150487584] [2024-11-27 23:24:16,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:16,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:16,772 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:16,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:16,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:16,776 INFO L85 PathProgramCache]: Analyzing trace with hash 58446848, now seen corresponding path program 5 times [2024-11-27 23:24:16,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:16,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251657706] [2024-11-27 23:24:16,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:16,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:16,827 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:16,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:18,882 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:24:18,882 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:24:18,882 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:24:18,882 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:24:18,882 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:24:18,882 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:18,882 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:24:18,882 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:24:18,882 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration15_Lasso [2024-11-27 23:24:18,882 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:24:18,882 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:24:18,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:18,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:18,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:18,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:18,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:18,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:18,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:18,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:18,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:18,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:18,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:18,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:18,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:18,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:18,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:19,536 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:24:19,536 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:24:19,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,538 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2024-11-27 23:24:19,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:19,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:19,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:19,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:19,554 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:19,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,561 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2024-11-27 23:24:19,564 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 [2024-11-27 23:24:19,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:19,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:19,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:19,578 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2024-11-27 23:24:19,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,590 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2024-11-27 23:24:19,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:19,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:19,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:19,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:19,606 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2024-11-27 23:24:19,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,613 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2024-11-27 23:24:19,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:19,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:19,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:19,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:19,629 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:19,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,637 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2024-11-27 23:24:19,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:19,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:19,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:19,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:19,653 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2024-11-27 23:24:19,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,661 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2024-11-27 23:24:19,663 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 [2024-11-27 23:24:19,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:19,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:19,679 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:19,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,687 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2024-11-27 23:24:19,692 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 [2024-11-27 23:24:19,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:19,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:19,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:19,708 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:19,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,718 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2024-11-27 23:24:19,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:19,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:19,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:19,737 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2024-11-27 23:24:19,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,746 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2024-11-27 23:24:19,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:19,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:19,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:19,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:19,762 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2024-11-27 23:24:19,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,769 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2024-11-27 23:24:19,772 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 [2024-11-27 23:24:19,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:19,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:19,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:19,785 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2024-11-27 23:24:19,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,793 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2024-11-27 23:24:19,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:19,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:19,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:19,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:19,808 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:19,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,816 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2024-11-27 23:24:19,818 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 [2024-11-27 23:24:19,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:19,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:19,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:19,833 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2024-11-27 23:24:19,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,840 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2024-11-27 23:24:19,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:19,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:19,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:19,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:19,856 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:19,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,864 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2024-11-27 23:24:19,867 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 [2024-11-27 23:24:19,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:19,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:19,883 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:19,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,892 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2024-11-27 23:24:19,894 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 [2024-11-27 23:24:19,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:19,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:19,913 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2024-11-27 23:24:19,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,920 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2024-11-27 23:24:19,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:19,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:19,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:19,939 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:19,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2024-11-27 23:24:19,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,947 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2024-11-27 23:24:19,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:19,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:19,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:19,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:19,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:19,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:19,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:19,970 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:24:19,981 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-11-27 23:24:19,981 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-27 23:24:19,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:19,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:19,983 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:19,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2024-11-27 23:24:19,985 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:24:19,997 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:24:19,997 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:24:19,997 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 [] [2024-11-27 23:24:20,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2024-11-27 23:24:20,039 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2024-11-27 23:24:20,042 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:24:20,042 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:24:20,042 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:24:20,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:20,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:24:20,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:20,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:20,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:20,390 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 3 loop predicates [2024-11-27 23:24:20,390 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 68 states and 82 transitions. cyclomatic complexity: 22 Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 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) [2024-11-27 23:24:20,423 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 68 states and 82 transitions. cyclomatic complexity: 22. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 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) Result 69 states and 84 transitions. Complement of second has 4 states. [2024-11-27 23:24:20,424 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 [2024-11-27 23:24:20,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 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) [2024-11-27 23:24:20,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:24:20,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 52 letters. Loop has 3 letters. [2024-11-27 23:24:20,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:20,424 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:20,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:20,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:24:20,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:20,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2024-11-27 23:24:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:20,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:20,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:20,741 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.7 stem predicates 3 loop predicates [2024-11-27 23:24:20,741 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 68 states and 82 transitions. cyclomatic complexity: 22 Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 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) [2024-11-27 23:24:20,782 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 68 states and 82 transitions. cyclomatic complexity: 22. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 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) Result 69 states and 84 transitions. Complement of second has 4 states. [2024-11-27 23:24:20,783 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 [2024-11-27 23:24:20,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 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) [2024-11-27 23:24:20,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:24:20,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 52 letters. Loop has 3 letters. [2024-11-27 23:24:20,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:20,784 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:20,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:20,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:24:20,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:21,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:21,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:21,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:21,066 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 3 loop predicates [2024-11-27 23:24:21,067 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 68 states and 82 transitions. cyclomatic complexity: 22 Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 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) [2024-11-27 23:24:21,253 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 68 states and 82 transitions. cyclomatic complexity: 22. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 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) Result 91 states and 113 transitions. Complement of second has 20 states. [2024-11-27 23:24:21,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 7 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:24:21,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 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) [2024-11-27 23:24:21,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 65 transitions. [2024-11-27 23:24:21,255 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 65 transitions. Stem has 52 letters. Loop has 3 letters. [2024-11-27 23:24:21,255 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:21,255 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 65 transitions. Stem has 55 letters. Loop has 3 letters. [2024-11-27 23:24:21,255 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:21,255 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 65 transitions. Stem has 52 letters. Loop has 6 letters. [2024-11-27 23:24:21,255 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:21,255 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 113 transitions. [2024-11-27 23:24:21,256 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:21,257 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 83 states and 103 transitions. [2024-11-27 23:24:21,257 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:24:21,257 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:24:21,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 103 transitions. [2024-11-27 23:24:21,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:21,258 INFO L218 hiAutomatonCegarLoop]: Abstraction has 83 states and 103 transitions. [2024-11-27 23:24:21,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 103 transitions. [2024-11-27 23:24:21,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 74. [2024-11-27 23:24:21,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 74 states have (on average 1.2027027027027026) internal successors, (89), 73 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) [2024-11-27 23:24:21,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 89 transitions. [2024-11-27 23:24:21,261 INFO L240 hiAutomatonCegarLoop]: Abstraction has 74 states and 89 transitions. [2024-11-27 23:24:21,261 INFO L425 stractBuchiCegarLoop]: Abstraction has 74 states and 89 transitions. [2024-11-27 23:24:21,261 INFO L332 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2024-11-27 23:24:21,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 89 transitions. [2024-11-27 23:24:21,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:21,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:21,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:21,263 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:21,263 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:21,263 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:21,263 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:21,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:21,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1811854375, now seen corresponding path program 12 times [2024-11-27 23:24:21,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:21,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502701159] [2024-11-27 23:24:21,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:21,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:21,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:24:21,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502701159] [2024-11-27 23:24:21,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502701159] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:21,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028247824] [2024-11-27 23:24:21,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:21,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:21,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:21,604 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:21,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (112)] Waiting until timeout for monitored process [2024-11-27 23:24:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:21,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:24:21,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:22,029 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:22,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028247824] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:22,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:22,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 25 [2024-11-27 23:24:22,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705115037] [2024-11-27 23:24:22,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:22,278 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:24:22,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:22,279 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 12 times [2024-11-27 23:24:22,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:22,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655757887] [2024-11-27 23:24:22,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:22,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:22,284 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:22,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:22,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:24:22,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-27 23:24:22,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2024-11-27 23:24:22,338 INFO L87 Difference]: Start difference. First operand 74 states and 89 transitions. cyclomatic complexity: 24 Second operand has 26 states, 25 states have (on average 3.68) internal successors, (92), 26 states have internal predecessors, (92), 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) [2024-11-27 23:24:22,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:22,573 INFO L93 Difference]: Finished difference Result 119 states and 142 transitions. [2024-11-27 23:24:22,573 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 142 transitions. [2024-11-27 23:24:22,574 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:22,574 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 81 states and 98 transitions. [2024-11-27 23:24:22,574 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:24:22,575 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:24:22,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 81 states and 98 transitions. [2024-11-27 23:24:22,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:22,575 INFO L218 hiAutomatonCegarLoop]: Abstraction has 81 states and 98 transitions. [2024-11-27 23:24:22,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states and 98 transitions. [2024-11-27 23:24:22,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2024-11-27 23:24:22,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.205128205128205) internal successors, (94), 77 states have internal predecessors, (94), 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) [2024-11-27 23:24:22,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 94 transitions. [2024-11-27 23:24:22,582 INFO L240 hiAutomatonCegarLoop]: Abstraction has 78 states and 94 transitions. [2024-11-27 23:24:22,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 23:24:22,583 INFO L425 stractBuchiCegarLoop]: Abstraction has 78 states and 94 transitions. [2024-11-27 23:24:22,586 INFO L332 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2024-11-27 23:24:22,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 94 transitions. [2024-11-27 23:24:22,587 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:22,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:22,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:22,588 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 7, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:22,588 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:22,588 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:22,588 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:22,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:22,588 INFO L85 PathProgramCache]: Analyzing trace with hash 397272513, now seen corresponding path program 13 times [2024-11-27 23:24:22,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:22,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692769590] [2024-11-27 23:24:22,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:22,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:22,645 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:22,669 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:22,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:22,670 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 13 times [2024-11-27 23:24:22,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:22,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794620897] [2024-11-27 23:24:22,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:22,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:22,676 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:22,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:22,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:22,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1784386222, now seen corresponding path program 6 times [2024-11-27 23:24:22,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:22,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556998562] [2024-11-27 23:24:22,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:22,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:22,706 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:22,733 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:26,086 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:24:26,086 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:24:26,087 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:24:26,087 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:24:26,087 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:24:26,087 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:26,087 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:24:26,087 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:24:26,087 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration17_Lasso [2024-11-27 23:24:26,087 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:24:26,087 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:24:26,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,095 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,110 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:26,664 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:24:26,664 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:24:26,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:26,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:26,666 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:26,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2024-11-27 23:24:26,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:26,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:26,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:26,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:26,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:26,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:26,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:26,685 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:26,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2024-11-27 23:24:26,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:26,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:26,692 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:26,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2024-11-27 23:24:26,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:26,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:26,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:26,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:26,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:26,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:26,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:26,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:26,710 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:26,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:26,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:26,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:26,719 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:26,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2024-11-27 23:24:26,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:26,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:26,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:26,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:26,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:26,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:26,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:26,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:26,734 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:26,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2024-11-27 23:24:26,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:26,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:26,742 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:26,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2024-11-27 23:24:26,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:26,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:26,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:26,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:26,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:26,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:26,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:26,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:26,757 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:26,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2024-11-27 23:24:26,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:26,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:26,768 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:26,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2024-11-27 23:24:26,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:26,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:26,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:26,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:26,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:26,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:26,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:26,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:26,784 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:26,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2024-11-27 23:24:26,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:26,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:26,792 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:26,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2024-11-27 23:24:26,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:26,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:26,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:26,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:26,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:26,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:26,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:26,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:26,811 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:26,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2024-11-27 23:24:26,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:26,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:26,824 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:26,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2024-11-27 23:24:26,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:26,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:26,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:26,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:26,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:26,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:26,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:26,844 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:26,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:26,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:26,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:26,852 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:26,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2024-11-27 23:24:26,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:26,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:26,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:26,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:26,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:26,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:26,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:26,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:26,868 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:26,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2024-11-27 23:24:26,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:26,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:26,876 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:26,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2024-11-27 23:24:26,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:26,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:26,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:26,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:26,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:26,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:26,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:26,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:26,892 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:26,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2024-11-27 23:24:26,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:26,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:26,900 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:26,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2024-11-27 23:24:26,903 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 [2024-11-27 23:24:26,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:26,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:26,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:26,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:26,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:26,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:26,920 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:26,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2024-11-27 23:24:26,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:26,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:26,928 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:26,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2024-11-27 23:24:26,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:26,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:26,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:26,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:26,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:26,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:26,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:26,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:26,944 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:26,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2024-11-27 23:24:26,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:26,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:26,952 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:26,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2024-11-27 23:24:26,955 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 [2024-11-27 23:24:26,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:26,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:26,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:26,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:26,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:26,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:26,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:26,969 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:26,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2024-11-27 23:24:26,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:26,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:26,977 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:26,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2024-11-27 23:24:26,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:26,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:26,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:26,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:26,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:26,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:26,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:26,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:26,995 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:27,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2024-11-27 23:24:27,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:27,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:27,003 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:27,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2024-11-27 23:24:27,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:27,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:27,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:27,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:27,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:27,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:27,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:27,027 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:27,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2024-11-27 23:24:27,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:27,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:27,038 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:27,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2024-11-27 23:24:27,041 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 [2024-11-27 23:24:27,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:27,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:27,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:27,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:27,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:27,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:27,058 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:27,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2024-11-27 23:24:27,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:27,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:27,066 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:27,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2024-11-27 23:24:27,069 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 [2024-11-27 23:24:27,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:27,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:27,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:27,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:27,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:27,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:27,091 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:27,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:27,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:27,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:27,099 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:27,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2024-11-27 23:24:27,102 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 [2024-11-27 23:24:27,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:27,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:27,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:27,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:27,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:27,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:27,121 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:27,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:27,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:27,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:27,129 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:27,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2024-11-27 23:24:27,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:27,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:27,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:27,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:27,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:27,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:27,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:27,148 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:27,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2024-11-27 23:24:27,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:27,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:27,157 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:27,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2024-11-27 23:24:27,159 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 [2024-11-27 23:24:27,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:27,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:27,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:27,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:27,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:27,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:27,179 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:24:27,187 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-27 23:24:27,187 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-27 23:24:27,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:27,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:27,189 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:27,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2024-11-27 23:24:27,192 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:24:27,205 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:24:27,205 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:24:27,205 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 24)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 24)_1 Supporting invariants [] [2024-11-27 23:24:27,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:27,237 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2024-11-27 23:24:27,239 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:24:27,239 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:24:27,239 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:24:27,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:27,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:24:27,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:27,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:27,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:27,780 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2024-11-27 23:24:27,781 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 94 transitions. cyclomatic complexity: 25 Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 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) [2024-11-27 23:24:27,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2024-11-27 23:24:27,876 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 94 transitions. cyclomatic complexity: 25. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 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) Result 79 states and 96 transitions. Complement of second has 5 states. [2024-11-27 23:24:27,877 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 [2024-11-27 23:24:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 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) [2024-11-27 23:24:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-27 23:24:27,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 60 letters. Loop has 3 letters. [2024-11-27 23:24:27,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:27,879 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:27,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:27,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:24:27,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:28,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:28,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:28,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:28,414 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.9 stem predicates 3 loop predicates [2024-11-27 23:24:28,414 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 94 transitions. cyclomatic complexity: 25 Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 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) [2024-11-27 23:24:28,454 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 94 transitions. cyclomatic complexity: 25. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 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) Result 79 states and 96 transitions. Complement of second has 5 states. [2024-11-27 23:24:28,456 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 [2024-11-27 23:24:28,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 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) [2024-11-27 23:24:28,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-27 23:24:28,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 60 letters. Loop has 3 letters. [2024-11-27 23:24:28,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:28,457 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:28,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:28,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:24:28,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:28,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:28,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:28,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:28,954 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2024-11-27 23:24:28,954 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 94 transitions. cyclomatic complexity: 25 Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 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) [2024-11-27 23:24:29,208 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 94 transitions. cyclomatic complexity: 25. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 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) Result 102 states and 127 transitions. Complement of second has 23 states. [2024-11-27 23:24:29,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 9 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:24:29,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 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) [2024-11-27 23:24:29,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 72 transitions. [2024-11-27 23:24:29,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 72 transitions. Stem has 60 letters. Loop has 3 letters. [2024-11-27 23:24:29,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:29,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 72 transitions. Stem has 63 letters. Loop has 3 letters. [2024-11-27 23:24:29,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:29,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 72 transitions. Stem has 60 letters. Loop has 6 letters. [2024-11-27 23:24:29,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:29,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 127 transitions. [2024-11-27 23:24:29,212 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:29,213 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 94 states and 117 transitions. [2024-11-27 23:24:29,213 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:24:29,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:24:29,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 117 transitions. [2024-11-27 23:24:29,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:29,213 INFO L218 hiAutomatonCegarLoop]: Abstraction has 94 states and 117 transitions. [2024-11-27 23:24:29,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 117 transitions. [2024-11-27 23:24:29,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 84. [2024-11-27 23:24:29,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.2023809523809523) internal successors, (101), 83 states have internal predecessors, (101), 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) [2024-11-27 23:24:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 101 transitions. [2024-11-27 23:24:29,217 INFO L240 hiAutomatonCegarLoop]: Abstraction has 84 states and 101 transitions. [2024-11-27 23:24:29,217 INFO L425 stractBuchiCegarLoop]: Abstraction has 84 states and 101 transitions. [2024-11-27 23:24:29,217 INFO L332 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2024-11-27 23:24:29,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 101 transitions. [2024-11-27 23:24:29,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:29,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:29,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:29,219 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:29,219 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:29,219 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:29,219 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:29,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:29,220 INFO L85 PathProgramCache]: Analyzing trace with hash 518604053, now seen corresponding path program 14 times [2024-11-27 23:24:29,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:29,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477032932] [2024-11-27 23:24:29,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:29,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:29,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:24:29,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477032932] [2024-11-27 23:24:29,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477032932] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:29,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094001607] [2024-11-27 23:24:29,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:29,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:29,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:29,681 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:29,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (133)] Waiting until timeout for monitored process [2024-11-27 23:24:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:29,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 23:24:29,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:30,245 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:30,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094001607] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:30,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:30,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 28 [2024-11-27 23:24:30,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197178626] [2024-11-27 23:24:30,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:30,550 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:24:30,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:30,551 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 14 times [2024-11-27 23:24:30,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:30,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061381130] [2024-11-27 23:24:30,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:30,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:30,557 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:30,561 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:30,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:24:30,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-27 23:24:30,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2024-11-27 23:24:30,613 INFO L87 Difference]: Start difference. First operand 84 states and 101 transitions. cyclomatic complexity: 27 Second operand has 29 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 29 states have internal predecessors, (104), 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) [2024-11-27 23:24:30,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:30,871 INFO L93 Difference]: Finished difference Result 135 states and 161 transitions. [2024-11-27 23:24:30,872 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 135 states and 161 transitions. [2024-11-27 23:24:30,873 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:30,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 135 states to 91 states and 110 transitions. [2024-11-27 23:24:30,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:24:30,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:24:30,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 110 transitions. [2024-11-27 23:24:30,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:30,873 INFO L218 hiAutomatonCegarLoop]: Abstraction has 91 states and 110 transitions. [2024-11-27 23:24:30,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 110 transitions. [2024-11-27 23:24:30,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 88. [2024-11-27 23:24:30,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 87 states have internal predecessors, (106), 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) [2024-11-27 23:24:30,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 106 transitions. [2024-11-27 23:24:30,876 INFO L240 hiAutomatonCegarLoop]: Abstraction has 88 states and 106 transitions. [2024-11-27 23:24:30,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 23:24:30,878 INFO L425 stractBuchiCegarLoop]: Abstraction has 88 states and 106 transitions. [2024-11-27 23:24:30,878 INFO L332 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2024-11-27 23:24:30,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 106 transitions. [2024-11-27 23:24:30,879 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:30,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:30,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:30,881 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 8, 8, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:30,881 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:30,881 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:30,881 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:30,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:30,881 INFO L85 PathProgramCache]: Analyzing trace with hash -167625553, now seen corresponding path program 15 times [2024-11-27 23:24:30,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:30,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031820740] [2024-11-27 23:24:30,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:30,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:30,910 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:30,941 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:30,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:30,942 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 15 times [2024-11-27 23:24:30,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:30,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714754634] [2024-11-27 23:24:30,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:30,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:30,947 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:30,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:30,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:30,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1314162596, now seen corresponding path program 7 times [2024-11-27 23:24:30,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:30,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239503756] [2024-11-27 23:24:30,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:30,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:30,992 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:31,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:36,875 WARN L286 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 268 DAG size of output: 200 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 23:24:37,907 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:24:37,907 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:24:37,907 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:24:37,907 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:24:37,907 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:24:37,908 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:37,908 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:24:37,908 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:24:37,908 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration19_Lasso [2024-11-27 23:24:37,908 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:24:37,908 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:24:37,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:37,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:37,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:37,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:37,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:37,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:37,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:37,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:37,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:39,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:39,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:39,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:39,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:39,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:39,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:40,372 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:24:40,372 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:24:40,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,377 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2024-11-27 23:24:40,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:40,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:40,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:40,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:40,397 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:40,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,405 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2024-11-27 23:24:40,408 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 [2024-11-27 23:24:40,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:40,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:40,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:40,422 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2024-11-27 23:24:40,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,430 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2024-11-27 23:24:40,433 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 [2024-11-27 23:24:40,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:40,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:40,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:40,447 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2024-11-27 23:24:40,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,454 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2024-11-27 23:24:40,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:40,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:40,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:40,473 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2024-11-27 23:24:40,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,482 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2024-11-27 23:24:40,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:40,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:40,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:40,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:40,499 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2024-11-27 23:24:40,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,509 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2024-11-27 23:24:40,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:40,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:40,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:40,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:40,528 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:40,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,536 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2024-11-27 23:24:40,540 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 [2024-11-27 23:24:40,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:40,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:40,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:40,554 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2024-11-27 23:24:40,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,564 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2024-11-27 23:24:40,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:40,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:40,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:40,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:40,581 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2024-11-27 23:24:40,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,590 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2024-11-27 23:24:40,593 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 [2024-11-27 23:24:40,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:40,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:40,616 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2024-11-27 23:24:40,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,626 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2024-11-27 23:24:40,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:40,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:40,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:40,647 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:40,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,656 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2024-11-27 23:24:40,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:40,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:40,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:40,681 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2024-11-27 23:24:40,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,690 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2024-11-27 23:24:40,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:40,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:40,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:40,714 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2024-11-27 23:24:40,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,723 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2024-11-27 23:24:40,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:40,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:40,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:40,747 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2024-11-27 23:24:40,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,756 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2024-11-27 23:24:40,758 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 [2024-11-27 23:24:40,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:40,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:40,780 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2024-11-27 23:24:40,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,789 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2024-11-27 23:24:40,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:40,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:40,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:40,812 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2024-11-27 23:24:40,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,821 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2024-11-27 23:24:40,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:40,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:40,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:40,841 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:40,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2024-11-27 23:24:40,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,850 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2024-11-27 23:24:40,852 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 [2024-11-27 23:24:40,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:40,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:40,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:40,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:40,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:40,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:40,877 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:24:40,885 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-27 23:24:40,886 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-27 23:24:40,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:40,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:40,888 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:40,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2024-11-27 23:24:40,890 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:24:40,903 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:24:40,903 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:24:40,903 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 28))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 28))_1 Supporting invariants [] [2024-11-27 23:24:40,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2024-11-27 23:24:41,041 INFO L156 tatePredicateManager]: 18 out of 19 supporting invariants were superfluous and have been removed [2024-11-27 23:24:41,043 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:24:41,043 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:24:41,043 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:24:41,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:41,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 23:24:41,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:41,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2024-11-27 23:24:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:41,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:41,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:41,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:41,478 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2024-11-27 23:24:41,479 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 88 states and 106 transitions. cyclomatic complexity: 28 Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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) [2024-11-27 23:24:41,521 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 88 states and 106 transitions. cyclomatic complexity: 28. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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 89 states and 108 transitions. Complement of second has 4 states. [2024-11-27 23:24:41,521 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 [2024-11-27 23:24:41,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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) [2024-11-27 23:24:41,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:24:41,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 68 letters. Loop has 3 letters. [2024-11-27 23:24:41,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:41,523 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:41,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:41,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 23:24:41,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:41,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:41,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:41,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:41,949 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.9 stem predicates 3 loop predicates [2024-11-27 23:24:41,949 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 88 states and 106 transitions. cyclomatic complexity: 28 Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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) [2024-11-27 23:24:41,977 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 88 states and 106 transitions. cyclomatic complexity: 28. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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 89 states and 108 transitions. Complement of second has 4 states. [2024-11-27 23:24:41,977 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 [2024-11-27 23:24:41,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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) [2024-11-27 23:24:41,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:24:41,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 68 letters. Loop has 3 letters. [2024-11-27 23:24:41,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:41,978 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:42,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:42,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 23:24:42,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:42,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:42,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:42,332 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2024-11-27 23:24:42,333 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 88 states and 106 transitions. cyclomatic complexity: 28 Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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) [2024-11-27 23:24:42,663 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 88 states and 106 transitions. cyclomatic complexity: 28. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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 113 states and 141 transitions. Complement of second has 24 states. [2024-11-27 23:24:42,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 9 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:24:42,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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) [2024-11-27 23:24:42,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 79 transitions. [2024-11-27 23:24:42,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 79 transitions. Stem has 68 letters. Loop has 3 letters. [2024-11-27 23:24:42,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:42,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 79 transitions. Stem has 71 letters. Loop has 3 letters. [2024-11-27 23:24:42,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:42,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 79 transitions. Stem has 68 letters. Loop has 6 letters. [2024-11-27 23:24:42,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:42,665 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 113 states and 141 transitions. [2024-11-27 23:24:42,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:42,666 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 113 states to 105 states and 131 transitions. [2024-11-27 23:24:42,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:24:42,667 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:24:42,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 105 states and 131 transitions. [2024-11-27 23:24:42,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:42,667 INFO L218 hiAutomatonCegarLoop]: Abstraction has 105 states and 131 transitions. [2024-11-27 23:24:42,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states and 131 transitions. [2024-11-27 23:24:42,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 94. [2024-11-27 23:24:42,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 94 states have (on average 1.202127659574468) internal successors, (113), 93 states have internal predecessors, (113), 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) [2024-11-27 23:24:42,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 113 transitions. [2024-11-27 23:24:42,670 INFO L240 hiAutomatonCegarLoop]: Abstraction has 94 states and 113 transitions. [2024-11-27 23:24:42,670 INFO L425 stractBuchiCegarLoop]: Abstraction has 94 states and 113 transitions. [2024-11-27 23:24:42,670 INFO L332 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2024-11-27 23:24:42,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 113 transitions. [2024-11-27 23:24:42,671 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:42,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:42,672 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:42,672 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:42,673 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:42,673 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:42,673 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:42,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:42,673 INFO L85 PathProgramCache]: Analyzing trace with hash 2084336899, now seen corresponding path program 16 times [2024-11-27 23:24:42,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:42,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758614983] [2024-11-27 23:24:42,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:42,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:43,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:24:43,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758614983] [2024-11-27 23:24:43,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758614983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:43,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566603150] [2024-11-27 23:24:43,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:43,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:43,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:43,213 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:43,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (152)] Waiting until timeout for monitored process [2024-11-27 23:24:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:43,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:24:43,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:43,806 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:44,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566603150] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:44,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:44,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 31 [2024-11-27 23:24:44,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777891828] [2024-11-27 23:24:44,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:44,208 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:24:44,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:44,208 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 16 times [2024-11-27 23:24:44,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:44,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129284623] [2024-11-27 23:24:44,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:44,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:44,216 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:44,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:44,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:24:44,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-27 23:24:44,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992 [2024-11-27 23:24:44,278 INFO L87 Difference]: Start difference. First operand 94 states and 113 transitions. cyclomatic complexity: 30 Second operand has 32 states, 31 states have (on average 3.7419354838709675) internal successors, (116), 32 states have internal predecessors, (116), 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) [2024-11-27 23:24:44,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:44,575 INFO L93 Difference]: Finished difference Result 151 states and 180 transitions. [2024-11-27 23:24:44,575 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 151 states and 180 transitions. [2024-11-27 23:24:44,576 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:44,577 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 151 states to 101 states and 122 transitions. [2024-11-27 23:24:44,577 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:24:44,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:24:44,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 122 transitions. [2024-11-27 23:24:44,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:44,578 INFO L218 hiAutomatonCegarLoop]: Abstraction has 101 states and 122 transitions. [2024-11-27 23:24:44,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 122 transitions. [2024-11-27 23:24:44,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2024-11-27 23:24:44,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 98 states have (on average 1.2040816326530612) internal successors, (118), 97 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) [2024-11-27 23:24:44,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 118 transitions. [2024-11-27 23:24:44,580 INFO L240 hiAutomatonCegarLoop]: Abstraction has 98 states and 118 transitions. [2024-11-27 23:24:44,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 23:24:44,581 INFO L425 stractBuchiCegarLoop]: Abstraction has 98 states and 118 transitions. [2024-11-27 23:24:44,581 INFO L332 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2024-11-27 23:24:44,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states and 118 transitions. [2024-11-27 23:24:44,582 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:44,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:44,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:44,583 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 9, 9, 9, 9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:44,583 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:44,583 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:44,583 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:44,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:44,583 INFO L85 PathProgramCache]: Analyzing trace with hash -208063843, now seen corresponding path program 17 times [2024-11-27 23:24:44,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:44,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091819819] [2024-11-27 23:24:44,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:44,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:44,619 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:44,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:44,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:44,651 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 17 times [2024-11-27 23:24:44,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:44,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123956951] [2024-11-27 23:24:44,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:44,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:44,656 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:44,660 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:44,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:44,660 INFO L85 PathProgramCache]: Analyzing trace with hash -792091914, now seen corresponding path program 8 times [2024-11-27 23:24:44,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:44,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734920668] [2024-11-27 23:24:44,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:44,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:44,699 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:44,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:50,699 WARN L286 SmtUtils]: Spent 5.91s on a formula simplification. DAG size of input: 297 DAG size of output: 221 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 23:24:51,625 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:24:51,625 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:24:51,625 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:24:51,625 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:24:51,625 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:24:51,626 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:51,626 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:24:51,626 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:24:51,626 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration21_Lasso [2024-11-27 23:24:51,626 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:24:51,626 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:24:51,627 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:51,630 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:51,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:51,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:51,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:51,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:51,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:52,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:52,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:52,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:52,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:52,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:52,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:52,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:52,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:24:52,841 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:24:52,841 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:24:52,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:52,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:52,843 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:52,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2024-11-27 23:24:52,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:52,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:52,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:52,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:52,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:52,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:52,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:52,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:52,860 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:52,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2024-11-27 23:24:52,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:52,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:52,870 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:52,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2024-11-27 23:24:52,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:52,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:52,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:52,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:52,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:52,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:52,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:52,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:52,888 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:52,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:52,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:52,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:52,898 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:52,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2024-11-27 23:24:52,901 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 [2024-11-27 23:24:52,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:52,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:52,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:52,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:52,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:52,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:52,920 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:52,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2024-11-27 23:24:52,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:52,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:52,928 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:52,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2024-11-27 23:24:52,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:52,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:52,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:52,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:52,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:52,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:52,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:52,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:52,948 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:52,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2024-11-27 23:24:52,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:52,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:52,957 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:52,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2024-11-27 23:24:52,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:52,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:52,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:52,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:52,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:52,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:52,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:52,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:52,976 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:52,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2024-11-27 23:24:52,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:52,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:52,984 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:52,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2024-11-27 23:24:52,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:53,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:53,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:24:53,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:53,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:53,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:53,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:24:53,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:24:53,006 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:53,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2024-11-27 23:24:53,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:53,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:53,014 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:53,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2024-11-27 23:24:53,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:53,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:53,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:53,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:53,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:53,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:53,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:53,038 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:53,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2024-11-27 23:24:53,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:53,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:53,046 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:53,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2024-11-27 23:24:53,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:53,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:53,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:53,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:53,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:53,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:53,063 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:53,068 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:53,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2024-11-27 23:24:53,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:53,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:53,081 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:53,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2024-11-27 23:24:53,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:53,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:53,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:53,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:53,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:53,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:53,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:53,101 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:53,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2024-11-27 23:24:53,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:53,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:53,110 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:53,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2024-11-27 23:24:53,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:53,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:53,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:53,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:53,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:53,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:53,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:53,135 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:53,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2024-11-27 23:24:53,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:53,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:53,146 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:53,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2024-11-27 23:24:53,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:53,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:53,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:53,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:53,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:53,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:53,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:53,198 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:53,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2024-11-27 23:24:53,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:53,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:53,211 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:53,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2024-11-27 23:24:53,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:53,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:53,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:53,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:53,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:53,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:53,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:53,238 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:53,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2024-11-27 23:24:53,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:53,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:53,253 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:53,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2024-11-27 23:24:53,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:53,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:53,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:53,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:53,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:53,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:53,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:53,283 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:24:53,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2024-11-27 23:24:53,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:53,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:53,298 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:53,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2024-11-27 23:24:53,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:24:53,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:24:53,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:24:53,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:24:53,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:24:53,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:24:53,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:24:53,330 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:24:53,350 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-27 23:24:53,350 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-27 23:24:53,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:24:53,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:53,356 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:53,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2024-11-27 23:24:53,357 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:24:53,375 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:24:53,375 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:24:53,376 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 [] [2024-11-27 23:24:53,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:53,430 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2024-11-27 23:24:53,433 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:24:53,433 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:24:53,433 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:24:53,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:53,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:24:53,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:53,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:53,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:53,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:53,900 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.10 stem predicates 3 loop predicates [2024-11-27 23:24:53,900 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 98 states and 118 transitions. cyclomatic complexity: 31 Second operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 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) [2024-11-27 23:24:53,935 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 98 states and 118 transitions. cyclomatic complexity: 31. Second operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 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 99 states and 120 transitions. Complement of second has 4 states. [2024-11-27 23:24:53,936 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 [2024-11-27 23:24:53,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 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) [2024-11-27 23:24:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:24:53,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 76 letters. Loop has 3 letters. [2024-11-27 23:24:53,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:53,937 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:53,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:54,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:24:54,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:54,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:54,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:54,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:54,361 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.10 stem predicates 3 loop predicates [2024-11-27 23:24:54,361 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 98 states and 118 transitions. cyclomatic complexity: 31 Second operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 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) [2024-11-27 23:24:54,402 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 98 states and 118 transitions. cyclomatic complexity: 31. Second operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 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 99 states and 120 transitions. Complement of second has 4 states. [2024-11-27 23:24:54,403 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 [2024-11-27 23:24:54,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 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) [2024-11-27 23:24:54,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:24:54,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 76 letters. Loop has 3 letters. [2024-11-27 23:24:54,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:54,404 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:24:54,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:54,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:24:54,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:54,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:54,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:54,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:54,849 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 3 loop predicates [2024-11-27 23:24:54,849 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 98 states and 118 transitions. cyclomatic complexity: 31 Second operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 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) [2024-11-27 23:24:55,161 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 98 states and 118 transitions. cyclomatic complexity: 31. Second operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 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 124 states and 155 transitions. Complement of second has 26 states. [2024-11-27 23:24:55,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 10 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:24:55,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 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) [2024-11-27 23:24:55,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 86 transitions. [2024-11-27 23:24:55,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 86 transitions. Stem has 76 letters. Loop has 3 letters. [2024-11-27 23:24:55,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:55,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 86 transitions. Stem has 79 letters. Loop has 3 letters. [2024-11-27 23:24:55,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:55,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 86 transitions. Stem has 76 letters. Loop has 6 letters. [2024-11-27 23:24:55,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:24:55,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 155 transitions. [2024-11-27 23:24:55,163 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:55,164 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 116 states and 145 transitions. [2024-11-27 23:24:55,165 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:24:55,165 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:24:55,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 145 transitions. [2024-11-27 23:24:55,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:55,165 INFO L218 hiAutomatonCegarLoop]: Abstraction has 116 states and 145 transitions. [2024-11-27 23:24:55,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 145 transitions. [2024-11-27 23:24:55,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 104. [2024-11-27 23:24:55,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 104 states have (on average 1.2019230769230769) internal successors, (125), 103 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) [2024-11-27 23:24:55,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 125 transitions. [2024-11-27 23:24:55,168 INFO L240 hiAutomatonCegarLoop]: Abstraction has 104 states and 125 transitions. [2024-11-27 23:24:55,168 INFO L425 stractBuchiCegarLoop]: Abstraction has 104 states and 125 transitions. [2024-11-27 23:24:55,168 INFO L332 stractBuchiCegarLoop]: ======== Iteration 22 ============ [2024-11-27 23:24:55,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states and 125 transitions. [2024-11-27 23:24:55,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:55,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:55,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:55,170 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:55,170 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:55,170 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:55,170 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:55,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:55,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1214956529, now seen corresponding path program 18 times [2024-11-27 23:24:55,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:55,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519139458] [2024-11-27 23:24:55,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:55,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:55,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:24:55,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519139458] [2024-11-27 23:24:55,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519139458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:55,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763566334] [2024-11-27 23:24:55,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:55,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:55,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:55,696 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:55,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (168)] Waiting until timeout for monitored process [2024-11-27 23:24:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:55,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 23:24:55,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:56,292 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:56,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763566334] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:56,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:56,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 34 [2024-11-27 23:24:56,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370363275] [2024-11-27 23:24:56,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:56,599 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:24:56,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:56,599 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 18 times [2024-11-27 23:24:56,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:56,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145185288] [2024-11-27 23:24:56,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:56,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:56,603 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:56,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:56,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:24:56,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-27 23:24:56,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2024-11-27 23:24:56,664 INFO L87 Difference]: Start difference. First operand 104 states and 125 transitions. cyclomatic complexity: 33 Second operand has 35 states, 34 states have (on average 3.764705882352941) internal successors, (128), 35 states have internal predecessors, (128), 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) [2024-11-27 23:24:56,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:56,971 INFO L93 Difference]: Finished difference Result 167 states and 199 transitions. [2024-11-27 23:24:56,971 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 167 states and 199 transitions. [2024-11-27 23:24:56,972 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:56,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 167 states to 111 states and 134 transitions. [2024-11-27 23:24:56,973 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:24:56,973 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:24:56,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 111 states and 134 transitions. [2024-11-27 23:24:56,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:24:56,974 INFO L218 hiAutomatonCegarLoop]: Abstraction has 111 states and 134 transitions. [2024-11-27 23:24:56,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states and 134 transitions. [2024-11-27 23:24:56,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 108. [2024-11-27 23:24:56,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 108 states have (on average 1.2037037037037037) internal successors, (130), 107 states have internal predecessors, (130), 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) [2024-11-27 23:24:56,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 130 transitions. [2024-11-27 23:24:56,980 INFO L240 hiAutomatonCegarLoop]: Abstraction has 108 states and 130 transitions. [2024-11-27 23:24:56,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 23:24:56,981 INFO L425 stractBuchiCegarLoop]: Abstraction has 108 states and 130 transitions. [2024-11-27 23:24:56,981 INFO L332 stractBuchiCegarLoop]: ======== Iteration 23 ============ [2024-11-27 23:24:56,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 130 transitions. [2024-11-27 23:24:56,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:24:56,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:24:56,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:24:56,983 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:56,983 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:24:56,983 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:24:56,983 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:24:56,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:56,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1524975499, now seen corresponding path program 19 times [2024-11-27 23:24:56,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:56,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454251485] [2024-11-27 23:24:56,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:56,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:57,022 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:57,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:57,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:57,084 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 19 times [2024-11-27 23:24:57,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:57,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570694297] [2024-11-27 23:24:57,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:57,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:57,088 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:57,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:24:57,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:57,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1618919608, now seen corresponding path program 9 times [2024-11-27 23:24:57,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:24:57,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567500861] [2024-11-27 23:24:57,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:57,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:57,144 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:57,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:25:05,814 WARN L286 SmtUtils]: Spent 8.57s on a formula simplification. DAG size of input: 326 DAG size of output: 239 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 23:25:06,192 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:25:06,192 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:25:06,192 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:25:06,192 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:25:06,192 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:25:06,192 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:06,192 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:25:06,192 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:25:06,192 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration23_Lasso [2024-11-27 23:25:06,192 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:25:06,192 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:25:06,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:06,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:06,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:06,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:06,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:06,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:06,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:06,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:06,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:06,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:06,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:06,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:06,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:06,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:06,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:06,679 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:07,043 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:25:07,044 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:25:07,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,046 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2024-11-27 23:25:07,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:07,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:07,063 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:07,067 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2024-11-27 23:25:07,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,076 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2024-11-27 23:25:07,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:07,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:07,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:07,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:07,094 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2024-11-27 23:25:07,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,103 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2024-11-27 23:25:07,105 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 [2024-11-27 23:25:07,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:07,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:07,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:07,121 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2024-11-27 23:25:07,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,129 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2024-11-27 23:25:07,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:07,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:07,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:07,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:07,147 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2024-11-27 23:25:07,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,156 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2024-11-27 23:25:07,158 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 [2024-11-27 23:25:07,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:07,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:07,176 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2024-11-27 23:25:07,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,185 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2024-11-27 23:25:07,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:07,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:07,205 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:07,210 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2024-11-27 23:25:07,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,222 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2024-11-27 23:25:07,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:07,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:07,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:07,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:07,241 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:07,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,250 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2024-11-27 23:25:07,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:07,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:07,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:07,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:07,271 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:07,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,279 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2024-11-27 23:25:07,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:07,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:07,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:07,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:07,297 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2024-11-27 23:25:07,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,305 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2024-11-27 23:25:07,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:07,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:07,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:07,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:07,323 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2024-11-27 23:25:07,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,331 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2024-11-27 23:25:07,334 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 [2024-11-27 23:25:07,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:07,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:07,352 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2024-11-27 23:25:07,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,361 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2024-11-27 23:25:07,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:07,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:07,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:07,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:07,378 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2024-11-27 23:25:07,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,386 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2024-11-27 23:25:07,389 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 [2024-11-27 23:25:07,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:07,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:07,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:07,406 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2024-11-27 23:25:07,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,414 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2024-11-27 23:25:07,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:07,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:07,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:07,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:07,431 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:07,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,439 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2024-11-27 23:25:07,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:07,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:07,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:07,460 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2024-11-27 23:25:07,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,468 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2024-11-27 23:25:07,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:07,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,487 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:07,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:07,495 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2024-11-27 23:25:07,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,504 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,508 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 [2024-11-27 23:25:07,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2024-11-27 23:25:07,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:07,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:07,527 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:07,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,536 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2024-11-27 23:25:07,539 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 [2024-11-27 23:25:07,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:07,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:07,557 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2024-11-27 23:25:07,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,565 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2024-11-27 23:25:07,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:07,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:07,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:07,586 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Ended with exit code 0 [2024-11-27 23:25:07,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,594 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2024-11-27 23:25:07,597 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 [2024-11-27 23:25:07,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:07,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:07,615 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2024-11-27 23:25:07,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,623 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2024-11-27 23:25:07,626 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 [2024-11-27 23:25:07,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:07,640 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:07,644 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2024-11-27 23:25:07,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,653 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2024-11-27 23:25:07,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:07,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:07,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:07,674 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Ended with exit code 0 [2024-11-27 23:25:07,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,687 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,691 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 [2024-11-27 23:25:07,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2024-11-27 23:25:07,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:07,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:07,717 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:07,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:07,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,726 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2024-11-27 23:25:07,731 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 [2024-11-27 23:25:07,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:07,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:07,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:07,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:07,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:07,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:07,755 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:25:07,764 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-27 23:25:07,764 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-27 23:25:07,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:07,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:07,767 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:07,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2024-11-27 23:25:07,769 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:25:07,783 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:25:07,783 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:25:07,783 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 [] [2024-11-27 23:25:07,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2024-11-27 23:25:07,825 INFO L156 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2024-11-27 23:25:07,827 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:25:07,827 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:25:07,827 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:25:07,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:07,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 23:25:07,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:08,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:25:08,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:25:08,584 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 3 loop predicates [2024-11-27 23:25:08,584 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 108 states and 130 transitions. cyclomatic complexity: 34 Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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) [2024-11-27 23:25:08,637 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 108 states and 130 transitions. cyclomatic complexity: 34. Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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 109 states and 132 transitions. Complement of second has 5 states. [2024-11-27 23:25:08,637 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 [2024-11-27 23:25:08,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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) [2024-11-27 23:25:08,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-27 23:25:08,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 84 letters. Loop has 3 letters. [2024-11-27 23:25:08,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:25:08,638 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:25:08,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:08,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:08,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 23:25:08,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:09,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:25:09,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:09,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:25:09,418 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.12 stem predicates 3 loop predicates [2024-11-27 23:25:09,419 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 108 states and 130 transitions. cyclomatic complexity: 34 Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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) [2024-11-27 23:25:09,491 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 108 states and 130 transitions. cyclomatic complexity: 34. Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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 109 states and 132 transitions. Complement of second has 5 states. [2024-11-27 23:25:09,491 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 [2024-11-27 23:25:09,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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) [2024-11-27 23:25:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-27 23:25:09,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 84 letters. Loop has 3 letters. [2024-11-27 23:25:09,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:25:09,493 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:25:09,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:09,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 23:25:09,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:10,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:25:10,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:10,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:25:10,295 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 3 loop predicates [2024-11-27 23:25:10,295 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 108 states and 130 transitions. cyclomatic complexity: 34 Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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) [2024-11-27 23:25:10,817 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 108 states and 130 transitions. cyclomatic complexity: 34. Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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 135 states and 169 transitions. Complement of second has 29 states. [2024-11-27 23:25:10,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 12 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:25:10,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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) [2024-11-27 23:25:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 93 transitions. [2024-11-27 23:25:10,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 93 transitions. Stem has 84 letters. Loop has 3 letters. [2024-11-27 23:25:10,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:25:10,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 93 transitions. Stem has 87 letters. Loop has 3 letters. [2024-11-27 23:25:10,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:25:10,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 93 transitions. Stem has 84 letters. Loop has 6 letters. [2024-11-27 23:25:10,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:25:10,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 135 states and 169 transitions. [2024-11-27 23:25:10,821 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:25:10,821 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 135 states to 127 states and 159 transitions. [2024-11-27 23:25:10,822 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:25:10,822 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:25:10,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 159 transitions. [2024-11-27 23:25:10,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:25:10,822 INFO L218 hiAutomatonCegarLoop]: Abstraction has 127 states and 159 transitions. [2024-11-27 23:25:10,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 159 transitions. [2024-11-27 23:25:10,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 114. [2024-11-27 23:25:10,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 114 states have (on average 1.2017543859649122) internal successors, (137), 113 states have internal predecessors, (137), 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) [2024-11-27 23:25:10,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 137 transitions. [2024-11-27 23:25:10,826 INFO L240 hiAutomatonCegarLoop]: Abstraction has 114 states and 137 transitions. [2024-11-27 23:25:10,826 INFO L425 stractBuchiCegarLoop]: Abstraction has 114 states and 137 transitions. [2024-11-27 23:25:10,826 INFO L332 stractBuchiCegarLoop]: ======== Iteration 24 ============ [2024-11-27 23:25:10,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states and 137 transitions. [2024-11-27 23:25:10,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:25:10,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:25:10,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:25:10,828 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:10,828 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:25:10,829 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:25:10,829 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:25:10,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:10,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1353101791, now seen corresponding path program 20 times [2024-11-27 23:25:10,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:25:10,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184802347] [2024-11-27 23:25:10,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:10,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:11,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:25:11,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184802347] [2024-11-27 23:25:11,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184802347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:25:11,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390007611] [2024-11-27 23:25:11,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:11,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:25:11,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:11,491 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:25:11,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (194)] Waiting until timeout for monitored process [2024-11-27 23:25:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:11,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:25:11,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:12,252 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:25:12,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390007611] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:25:12,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:25:12,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 37 [2024-11-27 23:25:12,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088461019] [2024-11-27 23:25:12,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:25:12,758 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:25:12,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:12,758 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 20 times [2024-11-27 23:25:12,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:25:12,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943766656] [2024-11-27 23:25:12,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:12,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:12,764 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:25:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:12,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:25:12,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:25:12,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-27 23:25:12,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1077, Unknown=0, NotChecked=0, Total=1406 [2024-11-27 23:25:12,817 INFO L87 Difference]: Start difference. First operand 114 states and 137 transitions. cyclomatic complexity: 36 Second operand has 38 states, 37 states have (on average 3.7837837837837838) internal successors, (140), 38 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) [2024-11-27 23:25:13,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:13,219 INFO L93 Difference]: Finished difference Result 183 states and 218 transitions. [2024-11-27 23:25:13,219 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 183 states and 218 transitions. [2024-11-27 23:25:13,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:25:13,221 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 183 states to 121 states and 146 transitions. [2024-11-27 23:25:13,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:25:13,221 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:25:13,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 146 transitions. [2024-11-27 23:25:13,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:25:13,222 INFO L218 hiAutomatonCegarLoop]: Abstraction has 121 states and 146 transitions. [2024-11-27 23:25:13,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 146 transitions. [2024-11-27 23:25:13,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2024-11-27 23:25:13,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 118 states have (on average 1.2033898305084745) internal successors, (142), 117 states have internal predecessors, (142), 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) [2024-11-27 23:25:13,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 142 transitions. [2024-11-27 23:25:13,225 INFO L240 hiAutomatonCegarLoop]: Abstraction has 118 states and 142 transitions. [2024-11-27 23:25:13,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 23:25:13,226 INFO L425 stractBuchiCegarLoop]: Abstraction has 118 states and 142 transitions. [2024-11-27 23:25:13,226 INFO L332 stractBuchiCegarLoop]: ======== Iteration 25 ============ [2024-11-27 23:25:13,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 142 transitions. [2024-11-27 23:25:13,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:25:13,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:25:13,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:25:13,228 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 11, 11, 11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:13,228 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:25:13,228 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:25:13,229 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:25:13,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:13,229 INFO L85 PathProgramCache]: Analyzing trace with hash 2132343673, now seen corresponding path program 21 times [2024-11-27 23:25:13,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:25:13,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100784397] [2024-11-27 23:25:13,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:13,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:13,272 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:25:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:13,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:25:13,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:13,313 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 21 times [2024-11-27 23:25:13,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:25:13,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226181011] [2024-11-27 23:25:13,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:13,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:13,319 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:25:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:13,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:25:13,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:13,324 INFO L85 PathProgramCache]: Analyzing trace with hash 2084101274, now seen corresponding path program 10 times [2024-11-27 23:25:13,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:25:13,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610729557] [2024-11-27 23:25:13,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:13,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:13,368 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:25:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:13,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:25:24,942 WARN L286 SmtUtils]: Spent 11.44s on a formula simplification. DAG size of input: 355 DAG size of output: 263 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 23:25:26,993 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:25:26,993 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:25:26,993 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:25:26,993 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:25:26,993 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:25:26,993 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:26,993 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:25:26,993 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:25:26,993 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration25_Lasso [2024-11-27 23:25:26,993 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:25:26,993 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:25:26,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:28,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:28,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:28,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:28,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:28,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:28,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:28,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:28,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:28,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:28,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:28,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:28,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:28,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:28,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:29,110 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:25:29,110 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:25:29,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:29,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:29,113 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:29,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2024-11-27 23:25:29,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:29,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:29,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:29,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:29,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:29,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:29,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:29,135 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:29,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2024-11-27 23:25:29,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:29,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:29,143 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:29,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2024-11-27 23:25:29,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:29,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:29,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:29,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:29,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:29,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:29,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:29,170 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:29,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2024-11-27 23:25:29,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:29,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:29,179 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:29,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2024-11-27 23:25:29,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:29,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:29,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:29,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:29,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:29,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:29,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:29,202 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:29,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:29,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:29,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:29,211 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:29,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2024-11-27 23:25:29,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:29,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:29,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:29,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:29,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:29,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:29,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:29,234 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:29,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2024-11-27 23:25:29,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:29,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:29,243 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:29,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2024-11-27 23:25:29,246 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 [2024-11-27 23:25:29,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:29,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:29,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:29,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:29,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:29,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:29,265 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:29,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2024-11-27 23:25:29,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:29,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:29,274 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:29,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2024-11-27 23:25:29,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:29,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:29,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:29,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:29,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:29,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:29,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:29,300 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:25:29,310 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-27 23:25:29,310 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-27 23:25:29,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:29,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:29,312 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:29,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2024-11-27 23:25:29,314 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:25:29,328 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:25:29,328 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:25:29,328 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 [] [2024-11-27 23:25:29,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Ended with exit code 0 [2024-11-27 23:25:29,374 INFO L156 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2024-11-27 23:25:29,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:25:29,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:25:29,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:25:29,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:29,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:25:29,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:29,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:25:29,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:29,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:25:29,904 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 3 loop predicates [2024-11-27 23:25:29,904 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 118 states and 142 transitions. cyclomatic complexity: 37 Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 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) [2024-11-27 23:25:29,943 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 118 states and 142 transitions. cyclomatic complexity: 37. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 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) Result 119 states and 144 transitions. Complement of second has 4 states. [2024-11-27 23:25:29,943 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 [2024-11-27 23:25:29,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 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) [2024-11-27 23:25:29,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:25:29,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 92 letters. Loop has 3 letters. [2024-11-27 23:25:29,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:25:29,944 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:25:29,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:30,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:25:30,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:30,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:25:30,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:30,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:25:30,567 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.12 stem predicates 3 loop predicates [2024-11-27 23:25:30,567 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 118 states and 142 transitions. cyclomatic complexity: 37 Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 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) [2024-11-27 23:25:30,612 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 118 states and 142 transitions. cyclomatic complexity: 37. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 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) Result 119 states and 144 transitions. Complement of second has 4 states. [2024-11-27 23:25:30,612 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 [2024-11-27 23:25:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 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) [2024-11-27 23:25:30,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:25:30,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 92 letters. Loop has 3 letters. [2024-11-27 23:25:30,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:25:30,613 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:25:30,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:30,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:25:30,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:31,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:25:31,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:25:31,141 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 3 loop predicates [2024-11-27 23:25:31,141 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 118 states and 142 transitions. cyclomatic complexity: 37 Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 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) [2024-11-27 23:25:31,585 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 118 states and 142 transitions. cyclomatic complexity: 37. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 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) Result 146 states and 183 transitions. Complement of second has 30 states. [2024-11-27 23:25:31,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 12 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:25:31,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 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) [2024-11-27 23:25:31,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 100 transitions. [2024-11-27 23:25:31,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 100 transitions. Stem has 92 letters. Loop has 3 letters. [2024-11-27 23:25:31,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:25:31,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 100 transitions. Stem has 95 letters. Loop has 3 letters. [2024-11-27 23:25:31,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:25:31,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 100 transitions. Stem has 92 letters. Loop has 6 letters. [2024-11-27 23:25:31,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:25:31,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 146 states and 183 transitions. [2024-11-27 23:25:31,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:25:31,589 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 146 states to 138 states and 173 transitions. [2024-11-27 23:25:31,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:25:31,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:25:31,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 138 states and 173 transitions. [2024-11-27 23:25:31,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:25:31,590 INFO L218 hiAutomatonCegarLoop]: Abstraction has 138 states and 173 transitions. [2024-11-27 23:25:31,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states and 173 transitions. [2024-11-27 23:25:31,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 124. [2024-11-27 23:25:31,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.2016129032258065) internal successors, (149), 123 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) [2024-11-27 23:25:31,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2024-11-27 23:25:31,593 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 149 transitions. [2024-11-27 23:25:31,593 INFO L425 stractBuchiCegarLoop]: Abstraction has 124 states and 149 transitions. [2024-11-27 23:25:31,593 INFO L332 stractBuchiCegarLoop]: ======== Iteration 26 ============ [2024-11-27 23:25:31,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 149 transitions. [2024-11-27 23:25:31,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:25:31,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:25:31,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:25:31,595 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:31,595 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:25:31,596 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:25:31,596 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:25:31,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:31,596 INFO L85 PathProgramCache]: Analyzing trace with hash 182632141, now seen corresponding path program 22 times [2024-11-27 23:25:31,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:25:31,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912901508] [2024-11-27 23:25:31,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:31,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:32,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:25:32,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912901508] [2024-11-27 23:25:32,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912901508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:25:32,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274918553] [2024-11-27 23:25:32,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:32,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:25:32,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:32,357 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:25:32,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (202)] Waiting until timeout for monitored process [2024-11-27 23:25:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:32,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 23:25:32,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:33,286 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:25:33,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274918553] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:25:33,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:25:33,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 40 [2024-11-27 23:25:33,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242283897] [2024-11-27 23:25:33,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:25:33,769 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:25:33,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:33,769 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 22 times [2024-11-27 23:25:33,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:25:33,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094821638] [2024-11-27 23:25:33,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:33,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:33,776 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:25:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:33,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:25:33,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:25:33,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-27 23:25:33,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=1258, Unknown=0, NotChecked=0, Total=1640 [2024-11-27 23:25:33,832 INFO L87 Difference]: Start difference. First operand 124 states and 149 transitions. cyclomatic complexity: 39 Second operand has 41 states, 40 states have (on average 3.8) internal successors, (152), 41 states have internal predecessors, (152), 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) [2024-11-27 23:25:34,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:34,190 INFO L93 Difference]: Finished difference Result 199 states and 237 transitions. [2024-11-27 23:25:34,190 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 199 states and 237 transitions. [2024-11-27 23:25:34,191 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:25:34,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 199 states to 131 states and 158 transitions. [2024-11-27 23:25:34,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:25:34,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:25:34,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 131 states and 158 transitions. [2024-11-27 23:25:34,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:25:34,192 INFO L218 hiAutomatonCegarLoop]: Abstraction has 131 states and 158 transitions. [2024-11-27 23:25:34,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states and 158 transitions. [2024-11-27 23:25:34,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2024-11-27 23:25:34,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 128 states have (on average 1.203125) internal successors, (154), 127 states have internal predecessors, (154), 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) [2024-11-27 23:25:34,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 154 transitions. [2024-11-27 23:25:34,197 INFO L240 hiAutomatonCegarLoop]: Abstraction has 128 states and 154 transitions. [2024-11-27 23:25:34,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-27 23:25:34,198 INFO L425 stractBuchiCegarLoop]: Abstraction has 128 states and 154 transitions. [2024-11-27 23:25:34,198 INFO L332 stractBuchiCegarLoop]: ======== Iteration 27 ============ [2024-11-27 23:25:34,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 128 states and 154 transitions. [2024-11-27 23:25:34,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:25:34,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:25:34,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:25:34,200 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 12, 12, 12, 12, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:34,200 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:25:34,200 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:25:34,200 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:25:34,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:34,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1546047079, now seen corresponding path program 23 times [2024-11-27 23:25:34,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:25:34,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607903785] [2024-11-27 23:25:34,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:34,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:34,243 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:25:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:34,285 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:25:34,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:34,285 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 23 times [2024-11-27 23:25:34,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:25:34,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739729548] [2024-11-27 23:25:34,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:34,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:34,292 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:25:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:34,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:25:34,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:34,299 INFO L85 PathProgramCache]: Analyzing trace with hash -940705044, now seen corresponding path program 11 times [2024-11-27 23:25:34,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:25:34,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393124857] [2024-11-27 23:25:34,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:34,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:34,347 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:25:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:25:34,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:25:51,299 WARN L286 SmtUtils]: Spent 16.85s on a formula simplification. DAG size of input: 384 DAG size of output: 284 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 23:25:53,635 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:25:53,635 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:25:53,635 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:25:53,635 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:25:53,635 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:25:53,636 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:53,636 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:25:53,636 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:25:53,636 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration27_Lasso [2024-11-27 23:25:53,636 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:25:53,636 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:25:53,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:53,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:53,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:53,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:53,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:53,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:53,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:53,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:53,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:53,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:53,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:53,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:53,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:53,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:56,323 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:25:56,767 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:25:56,767 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:25:56,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:56,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:56,769 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:56,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2024-11-27 23:25:56,772 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 [2024-11-27 23:25:56,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:56,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:56,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:56,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:56,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:56,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:56,790 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:56,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Ended with exit code 0 [2024-11-27 23:25:56,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:56,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:56,799 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:56,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2024-11-27 23:25:56,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:56,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:56,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:56,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:56,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:56,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:56,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:56,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:56,817 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:56,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2024-11-27 23:25:56,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:56,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:56,826 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:56,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2024-11-27 23:25:56,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:56,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:56,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:56,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:56,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:56,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:56,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:56,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:56,845 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:56,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Ended with exit code 0 [2024-11-27 23:25:56,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:56,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:56,854 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:56,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2024-11-27 23:25:56,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:56,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:56,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:56,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:56,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:56,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:56,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:56,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:56,871 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:56,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2024-11-27 23:25:56,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:56,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:56,880 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:56,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2024-11-27 23:25:56,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:56,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:56,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:56,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:56,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:56,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:56,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:56,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:56,898 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:56,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2024-11-27 23:25:56,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:56,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:56,907 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:56,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2024-11-27 23:25:56,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:56,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:56,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:56,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:56,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:56,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:56,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:56,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:56,925 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:56,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:56,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:56,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:56,934 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:56,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2024-11-27 23:25:56,937 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 [2024-11-27 23:25:56,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:56,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:56,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:56,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:56,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:56,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:56,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:56,953 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:56,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2024-11-27 23:25:56,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:56,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:56,961 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:56,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2024-11-27 23:25:56,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:56,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:56,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:56,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:56,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:56,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:56,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:56,983 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:56,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:56,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:56,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:56,992 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:56,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2024-11-27 23:25:56,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:57,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:57,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:57,011 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Ended with exit code 0 [2024-11-27 23:25:57,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,020 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2024-11-27 23:25:57,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:57,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:57,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:57,038 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Ended with exit code 0 [2024-11-27 23:25:57,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,047 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2024-11-27 23:25:57,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:57,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:57,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:57,065 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Ended with exit code 0 [2024-11-27 23:25:57,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,073 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2024-11-27 23:25:57,076 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 [2024-11-27 23:25:57,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:57,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:57,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:57,091 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Ended with exit code 0 [2024-11-27 23:25:57,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,100 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2024-11-27 23:25:57,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:25:57,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:25:57,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:25:57,118 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Ended with exit code 0 [2024-11-27 23:25:57,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,127 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2024-11-27 23:25:57,130 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 [2024-11-27 23:25:57,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:57,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:57,150 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Ended with exit code 0 [2024-11-27 23:25:57,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,164 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2024-11-27 23:25:57,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:57,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:57,189 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Ended with exit code 0 [2024-11-27 23:25:57,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,198 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Waiting until timeout for monitored process [2024-11-27 23:25:57,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:57,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:57,220 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Ended with exit code 0 [2024-11-27 23:25:57,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,228 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2024-11-27 23:25:57,231 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 [2024-11-27 23:25:57,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:57,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:57,251 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Ended with exit code 0 [2024-11-27 23:25:57,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,259 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2024-11-27 23:25:57,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:57,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:57,281 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Ended with exit code 0 [2024-11-27 23:25:57,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,289 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2024-11-27 23:25:57,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:57,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:57,311 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Ended with exit code 0 [2024-11-27 23:25:57,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,320 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2024-11-27 23:25:57,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:57,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:57,342 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Ended with exit code 0 [2024-11-27 23:25:57,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,351 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2024-11-27 23:25:57,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:57,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:57,373 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Ended with exit code 0 [2024-11-27 23:25:57,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,382 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2024-11-27 23:25:57,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:57,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:57,413 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:57,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,422 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2024-11-27 23:25:57,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:57,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:57,445 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Ended with exit code 0 [2024-11-27 23:25:57,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,454 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2024-11-27 23:25:57,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:57,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:57,476 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Ended with exit code 0 [2024-11-27 23:25:57,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,484 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Waiting until timeout for monitored process [2024-11-27 23:25:57,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:57,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:57,510 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Ended with exit code 0 [2024-11-27 23:25:57,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,519 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2024-11-27 23:25:57,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:57,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:57,541 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Ended with exit code 0 [2024-11-27 23:25:57,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,551 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2024-11-27 23:25:57,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:57,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:57,577 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:25:57,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:57,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,586 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2024-11-27 23:25:57,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:25:57,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:25:57,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:25:57,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:25:57,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:25:57,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:25:57,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:25:57,614 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:25:57,626 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-27 23:25:57,626 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-27 23:25:57,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:25:57,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:57,628 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:25:57,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Waiting until timeout for monitored process [2024-11-27 23:25:57,631 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:25:57,645 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:25:57,645 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:25:57,645 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 [] [2024-11-27 23:25:57,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:57,696 INFO L156 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2024-11-27 23:25:57,698 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:25:57,698 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:25:57,698 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:25:57,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:57,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 23:25:57,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:58,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:25:58,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:25:58,275 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.13 stem predicates 3 loop predicates [2024-11-27 23:25:58,276 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 128 states and 154 transitions. cyclomatic complexity: 40 Second operand has 16 states, 16 states have (on average 3.6875) internal successors, (59), 16 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) [2024-11-27 23:25:58,314 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 128 states and 154 transitions. cyclomatic complexity: 40. Second operand has 16 states, 16 states have (on average 3.6875) internal successors, (59), 16 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) Result 129 states and 156 transitions. Complement of second has 4 states. [2024-11-27 23:25:58,315 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 [2024-11-27 23:25:58,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.6875) internal successors, (59), 16 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) [2024-11-27 23:25:58,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:25:58,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 100 letters. Loop has 3 letters. [2024-11-27 23:25:58,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:25:58,315 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:25:58,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:58,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 23:25:58,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:58,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:58,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:25:58,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:25:58,899 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.13 stem predicates 3 loop predicates [2024-11-27 23:25:58,899 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 128 states and 154 transitions. cyclomatic complexity: 40 Second operand has 16 states, 16 states have (on average 3.6875) internal successors, (59), 16 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) [2024-11-27 23:25:58,934 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 128 states and 154 transitions. cyclomatic complexity: 40. Second operand has 16 states, 16 states have (on average 3.6875) internal successors, (59), 16 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) Result 129 states and 156 transitions. Complement of second has 4 states. [2024-11-27 23:25:58,935 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 [2024-11-27 23:25:58,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.6875) internal successors, (59), 16 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) [2024-11-27 23:25:58,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:25:58,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 100 letters. Loop has 3 letters. [2024-11-27 23:25:58,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:25:58,936 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:25:58,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:59,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 23:25:59,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:59,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:25:59,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:59,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:25:59,519 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 3 loop predicates [2024-11-27 23:25:59,519 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 128 states and 154 transitions. cyclomatic complexity: 40 Second operand has 16 states, 16 states have (on average 3.6875) internal successors, (59), 16 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) [2024-11-27 23:25:59,987 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 128 states and 154 transitions. cyclomatic complexity: 40. Second operand has 16 states, 16 states have (on average 3.6875) internal successors, (59), 16 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) Result 157 states and 197 transitions. Complement of second has 32 states. [2024-11-27 23:25:59,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 13 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:25:59,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.6875) internal successors, (59), 16 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) [2024-11-27 23:25:59,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 107 transitions. [2024-11-27 23:25:59,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 107 transitions. Stem has 100 letters. Loop has 3 letters. [2024-11-27 23:25:59,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:25:59,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 107 transitions. Stem has 103 letters. Loop has 3 letters. [2024-11-27 23:25:59,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:25:59,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 107 transitions. Stem has 100 letters. Loop has 6 letters. [2024-11-27 23:25:59,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:25:59,990 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 157 states and 197 transitions. [2024-11-27 23:25:59,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:25:59,992 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 157 states to 149 states and 187 transitions. [2024-11-27 23:25:59,992 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:25:59,992 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:25:59,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 187 transitions. [2024-11-27 23:25:59,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:25:59,994 INFO L218 hiAutomatonCegarLoop]: Abstraction has 149 states and 187 transitions. [2024-11-27 23:25:59,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 187 transitions. [2024-11-27 23:25:59,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 134. [2024-11-27 23:25:59,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 134 states have (on average 1.2014925373134329) internal successors, (161), 133 states have internal predecessors, (161), 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) [2024-11-27 23:25:59,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 161 transitions. [2024-11-27 23:25:59,997 INFO L240 hiAutomatonCegarLoop]: Abstraction has 134 states and 161 transitions. [2024-11-27 23:25:59,997 INFO L425 stractBuchiCegarLoop]: Abstraction has 134 states and 161 transitions. [2024-11-27 23:25:59,997 INFO L332 stractBuchiCegarLoop]: ======== Iteration 28 ============ [2024-11-27 23:25:59,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 161 transitions. [2024-11-27 23:25:59,998 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:25:59,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:25:59,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:26:00,000 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:00,000 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:26:00,000 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:26:00,000 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:26:00,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:00,001 INFO L85 PathProgramCache]: Analyzing trace with hash 902916795, now seen corresponding path program 24 times [2024-11-27 23:26:00,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:00,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117400903] [2024-11-27 23:26:00,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:00,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:00,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:26:00,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117400903] [2024-11-27 23:26:00,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117400903] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:26:00,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006022109] [2024-11-27 23:26:00,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:00,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:26:00,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:00,797 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:26:00,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (232)] Waiting until timeout for monitored process [2024-11-27 23:26:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:00,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-27 23:26:00,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:01,670 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:26:02,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006022109] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:26:02,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:26:02,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 43 [2024-11-27 23:26:02,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343264450] [2024-11-27 23:26:02,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:26:02,198 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:26:02,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:02,198 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 24 times [2024-11-27 23:26:02,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:02,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658142483] [2024-11-27 23:26:02,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:02,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:02,203 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:02,208 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:26:02,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:26:02,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-27 23:26:02,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=1453, Unknown=0, NotChecked=0, Total=1892 [2024-11-27 23:26:02,265 INFO L87 Difference]: Start difference. First operand 134 states and 161 transitions. cyclomatic complexity: 42 Second operand has 44 states, 43 states have (on average 3.813953488372093) internal successors, (164), 44 states have internal predecessors, (164), 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) [2024-11-27 23:26:02,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:26:02,714 INFO L93 Difference]: Finished difference Result 215 states and 256 transitions. [2024-11-27 23:26:02,714 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 215 states and 256 transitions. [2024-11-27 23:26:02,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:26:02,716 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 215 states to 141 states and 170 transitions. [2024-11-27 23:26:02,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:26:02,716 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:26:02,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141 states and 170 transitions. [2024-11-27 23:26:02,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:26:02,717 INFO L218 hiAutomatonCegarLoop]: Abstraction has 141 states and 170 transitions. [2024-11-27 23:26:02,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states and 170 transitions. [2024-11-27 23:26:02,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 138. [2024-11-27 23:26:02,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.2028985507246377) internal successors, (166), 137 states have internal predecessors, (166), 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) [2024-11-27 23:26:02,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 166 transitions. [2024-11-27 23:26:02,720 INFO L240 hiAutomatonCegarLoop]: Abstraction has 138 states and 166 transitions. [2024-11-27 23:26:02,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 23:26:02,721 INFO L425 stractBuchiCegarLoop]: Abstraction has 138 states and 166 transitions. [2024-11-27 23:26:02,721 INFO L332 stractBuchiCegarLoop]: ======== Iteration 29 ============ [2024-11-27 23:26:02,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 166 transitions. [2024-11-27 23:26:02,722 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:26:02,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:26:02,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:26:02,723 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 13, 13, 13, 13, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:02,724 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:26:02,724 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:26:02,724 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:26:02,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:02,724 INFO L85 PathProgramCache]: Analyzing trace with hash 918634581, now seen corresponding path program 25 times [2024-11-27 23:26:02,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:02,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445126745] [2024-11-27 23:26:02,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:02,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:02,773 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:02,818 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:26:02,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:02,818 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 25 times [2024-11-27 23:26:02,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:02,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409818620] [2024-11-27 23:26:02,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:02,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:02,823 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:02,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:26:02,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:02,827 INFO L85 PathProgramCache]: Analyzing trace with hash -488760770, now seen corresponding path program 12 times [2024-11-27 23:26:02,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:02,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354371007] [2024-11-27 23:26:02,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:02,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:02,877 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:02,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:26:33,249 WARN L286 SmtUtils]: Spent 30.26s on a formula simplification. DAG size of input: 413 DAG size of output: 302 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 23:26:33,794 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:26:33,794 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:26:33,794 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:26:33,794 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:26:33,795 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:26:33,795 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:26:33,795 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:26:33,795 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:26:33,795 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration29_Lasso [2024-11-27 23:26:33,795 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:26:33,795 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:26:33,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:33,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:33,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:33,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:33,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:34,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:34,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:34,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:34,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:34,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:34,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:34,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:34,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:34,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:34,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:34,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:26:34,837 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:26:34,837 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:26:34,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:26:34,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:34,839 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:26:34,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2024-11-27 23:26:34,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:26:34,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:26:34,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:26:34,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:26:34,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:26:34,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:26:34,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:26:34,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:26:34,857 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:26:34,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Ended with exit code 0 [2024-11-27 23:26:34,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:26:34,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:34,865 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:26:34,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2024-11-27 23:26:34,868 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 [2024-11-27 23:26:34,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:26:34,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:26:34,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:26:34,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:26:34,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:26:34,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:26:34,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:26:34,883 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:26:34,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Forceful destruction successful, exit code 0 [2024-11-27 23:26:34,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:26:34,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:34,892 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:26:34,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2024-11-27 23:26:34,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:26:34,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:26:34,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:26:34,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:26:34,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:26:34,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:26:34,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:26:34,915 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:26:34,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Ended with exit code 0 [2024-11-27 23:26:34,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:26:34,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:34,924 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:26:34,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Waiting until timeout for monitored process [2024-11-27 23:26:34,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:26:34,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:26:34,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:26:34,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:26:34,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:26:34,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:26:34,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:26:34,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:26:34,942 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:26:34,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Forceful destruction successful, exit code 0 [2024-11-27 23:26:34,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:26:34,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:34,950 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:26:34,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2024-11-27 23:26:34,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:26:34,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:26:34,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:26:34,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:26:34,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:26:34,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:26:34,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:26:34,976 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:26:34,985 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-27 23:26:34,985 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-27 23:26:34,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:26:34,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:34,988 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:26:34,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2024-11-27 23:26:34,990 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:26:35,004 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:26:35,004 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:26:35,004 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 48)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 48)_1 Supporting invariants [] [2024-11-27 23:26:35,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Ended with exit code 0 [2024-11-27 23:26:35,056 INFO L156 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2024-11-27 23:26:35,058 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:26:35,058 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:26:35,058 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:26:35,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:35,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-27 23:26:35,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:36,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:26:36,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:36,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:26:36,073 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.15 stem predicates 3 loop predicates [2024-11-27 23:26:36,073 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 138 states and 166 transitions. cyclomatic complexity: 43 Second operand has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 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) [2024-11-27 23:26:36,143 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 138 states and 166 transitions. cyclomatic complexity: 43. Second operand has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 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) Result 139 states and 168 transitions. Complement of second has 5 states. [2024-11-27 23:26:36,143 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 [2024-11-27 23:26:36,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 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) [2024-11-27 23:26:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-27 23:26:36,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 108 letters. Loop has 3 letters. [2024-11-27 23:26:36,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:26:36,144 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:26:36,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:36,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-27 23:26:36,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:36,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Ended with exit code 0 [2024-11-27 23:26:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:37,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:26:37,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:37,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:26:37,224 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.15 stem predicates 3 loop predicates [2024-11-27 23:26:37,224 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 138 states and 166 transitions. cyclomatic complexity: 43 Second operand has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 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) [2024-11-27 23:26:37,290 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 138 states and 166 transitions. cyclomatic complexity: 43. Second operand has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 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) Result 139 states and 168 transitions. Complement of second has 5 states. [2024-11-27 23:26:37,290 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 [2024-11-27 23:26:37,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 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) [2024-11-27 23:26:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-27 23:26:37,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 108 letters. Loop has 3 letters. [2024-11-27 23:26:37,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:26:37,291 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:26:37,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:37,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-27 23:26:37,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:38,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:26:38,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:26:38,238 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 3 loop predicates [2024-11-27 23:26:38,238 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 138 states and 166 transitions. cyclomatic complexity: 43 Second operand has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 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) [2024-11-27 23:26:38,870 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 138 states and 166 transitions. cyclomatic complexity: 43. Second operand has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 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) Result 168 states and 211 transitions. Complement of second has 35 states. [2024-11-27 23:26:38,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 15 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:26:38,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 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) [2024-11-27 23:26:38,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 114 transitions. [2024-11-27 23:26:38,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 114 transitions. Stem has 108 letters. Loop has 3 letters. [2024-11-27 23:26:38,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:26:38,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 114 transitions. Stem has 111 letters. Loop has 3 letters. [2024-11-27 23:26:38,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:26:38,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 114 transitions. Stem has 108 letters. Loop has 6 letters. [2024-11-27 23:26:38,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:26:38,874 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 168 states and 211 transitions. [2024-11-27 23:26:38,875 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:26:38,876 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 168 states to 160 states and 201 transitions. [2024-11-27 23:26:38,876 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:26:38,876 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:26:38,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 201 transitions. [2024-11-27 23:26:38,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:26:38,876 INFO L218 hiAutomatonCegarLoop]: Abstraction has 160 states and 201 transitions. [2024-11-27 23:26:38,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 201 transitions. [2024-11-27 23:26:38,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 144. [2024-11-27 23:26:38,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 144 states have (on average 1.2013888888888888) internal successors, (173), 143 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) [2024-11-27 23:26:38,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 173 transitions. [2024-11-27 23:26:38,880 INFO L240 hiAutomatonCegarLoop]: Abstraction has 144 states and 173 transitions. [2024-11-27 23:26:38,880 INFO L425 stractBuchiCegarLoop]: Abstraction has 144 states and 173 transitions. [2024-11-27 23:26:38,880 INFO L332 stractBuchiCegarLoop]: ======== Iteration 30 ============ [2024-11-27 23:26:38,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 144 states and 173 transitions. [2024-11-27 23:26:38,881 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:26:38,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:26:38,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:26:38,882 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:38,882 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:26:38,882 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:26:38,882 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:26:38,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:38,883 INFO L85 PathProgramCache]: Analyzing trace with hash 2028287401, now seen corresponding path program 26 times [2024-11-27 23:26:38,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:38,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228201463] [2024-11-27 23:26:38,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:38,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:39,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:26:39,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228201463] [2024-11-27 23:26:39,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228201463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:26:39,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81656145] [2024-11-27 23:26:39,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:39,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:26:39,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:39,923 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:26:39,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (239)] Waiting until timeout for monitored process [2024-11-27 23:26:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:40,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-27 23:26:40,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:41,056 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:26:41,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81656145] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:26:41,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:26:41,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 46 [2024-11-27 23:26:41,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607075499] [2024-11-27 23:26:41,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:26:41,712 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:26:41,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:41,713 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 26 times [2024-11-27 23:26:41,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:41,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657749996] [2024-11-27 23:26:41,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:41,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:41,718 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:41,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:26:41,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:26:41,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-27 23:26:41,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=500, Invalid=1662, Unknown=0, NotChecked=0, Total=2162 [2024-11-27 23:26:41,778 INFO L87 Difference]: Start difference. First operand 144 states and 173 transitions. cyclomatic complexity: 45 Second operand has 47 states, 46 states have (on average 3.8260869565217392) internal successors, (176), 47 states have internal predecessors, (176), 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) [2024-11-27 23:26:42,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:26:42,290 INFO L93 Difference]: Finished difference Result 231 states and 275 transitions. [2024-11-27 23:26:42,290 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 231 states and 275 transitions. [2024-11-27 23:26:42,291 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:26:42,292 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 231 states to 151 states and 182 transitions. [2024-11-27 23:26:42,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:26:42,293 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:26:42,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 151 states and 182 transitions. [2024-11-27 23:26:42,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:26:42,293 INFO L218 hiAutomatonCegarLoop]: Abstraction has 151 states and 182 transitions. [2024-11-27 23:26:42,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states and 182 transitions. [2024-11-27 23:26:42,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 148. [2024-11-27 23:26:42,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 148 states have (on average 1.2027027027027026) internal successors, (178), 147 states have internal predecessors, (178), 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) [2024-11-27 23:26:42,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 178 transitions. [2024-11-27 23:26:42,296 INFO L240 hiAutomatonCegarLoop]: Abstraction has 148 states and 178 transitions. [2024-11-27 23:26:42,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-27 23:26:42,297 INFO L425 stractBuchiCegarLoop]: Abstraction has 148 states and 178 transitions. [2024-11-27 23:26:42,297 INFO L332 stractBuchiCegarLoop]: ======== Iteration 31 ============ [2024-11-27 23:26:42,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 178 transitions. [2024-11-27 23:26:42,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:26:42,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:26:42,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:26:42,299 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 14, 14, 14, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:42,299 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:26:42,299 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:26:42,299 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:26:42,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:42,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1012584771, now seen corresponding path program 27 times [2024-11-27 23:26:42,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:42,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354124755] [2024-11-27 23:26:42,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:42,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:42,350 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:42,399 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:26:42,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:42,400 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 27 times [2024-11-27 23:26:42,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:42,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45339141] [2024-11-27 23:26:42,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:42,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:42,405 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:42,408 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:26:42,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:42,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1937327472, now seen corresponding path program 13 times [2024-11-27 23:26:42,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:26:42,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535161044] [2024-11-27 23:26:42,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:42,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:42,462 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:26:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:26:42,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:27:22,044 WARN L286 SmtUtils]: Spent 39.38s on a formula simplification. DAG size of input: 442 DAG size of output: 326 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 23:27:25,458 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:27:25,459 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:27:25,459 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:27:25,459 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:27:25,459 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:27:25,459 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:25,459 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:27:25,459 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:27:25,459 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration31_Lasso [2024-11-27 23:27:25,459 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:27:25,459 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:27:25,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:25,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:25,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:25,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:25,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:25,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:25,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:25,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:25,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:25,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:25,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:30,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:30,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:30,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:30,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:30,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:27:30,781 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:27:30,781 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:27:30,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:30,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:30,785 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:30,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2024-11-27 23:27:30,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:27:30,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:30,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:27:30,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:30,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:30,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:30,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:27:30,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:27:30,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:27:30,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Ended with exit code 0 [2024-11-27 23:27:30,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:30,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:30,821 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:30,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2024-11-27 23:27:30,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:27:30,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:30,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:30,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:30,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:30,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:27:30,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:27:30,842 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:27:30,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Ended with exit code 0 [2024-11-27 23:27:30,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:30,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:30,852 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:30,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2024-11-27 23:27:30,855 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 [2024-11-27 23:27:30,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:30,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:30,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:30,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:30,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:27:30,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:27:30,874 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:27:30,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Ended with exit code 0 [2024-11-27 23:27:30,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:30,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:30,882 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:30,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2024-11-27 23:27:30,886 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 [2024-11-27 23:27:30,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:30,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:27:30,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:30,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:30,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:30,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:27:30,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:27:30,901 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:27:30,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Ended with exit code 0 [2024-11-27 23:27:30,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:30,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:30,911 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:30,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2024-11-27 23:27:30,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:27:30,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:30,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:27:30,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:30,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:30,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:30,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:27:30,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:27:30,929 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:27:30,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Forceful destruction successful, exit code 0 [2024-11-27 23:27:30,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:30,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:30,938 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:30,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2024-11-27 23:27:30,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:27:30,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:30,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:27:30,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:30,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:30,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:30,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:27:30,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:27:30,956 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:27:30,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Ended with exit code 0 [2024-11-27 23:27:30,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:30,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:30,966 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:30,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2024-11-27 23:27:30,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:27:30,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:30,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:30,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:30,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:30,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:27:30,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:27:30,988 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:27:30,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Ended with exit code 0 [2024-11-27 23:27:30,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:30,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:30,997 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:30,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2024-11-27 23:27:31,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:27:31,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:31,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:27:31,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:31,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:31,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:31,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:27:31,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:27:31,015 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:27:31,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Forceful destruction successful, exit code 0 [2024-11-27 23:27:31,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:31,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:31,024 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:31,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2024-11-27 23:27:31,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:27:31,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:31,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:27:31,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:31,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:31,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:31,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:27:31,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:27:31,042 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:27:31,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Ended with exit code 0 [2024-11-27 23:27:31,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:31,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:31,051 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:31,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2024-11-27 23:27:31,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:27:31,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:31,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:27:31,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:31,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:31,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:31,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:27:31,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:27:31,069 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:27:31,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Ended with exit code 0 [2024-11-27 23:27:31,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:31,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:31,078 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:31,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2024-11-27 23:27:31,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:27:31,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:31,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:31,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:31,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:31,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:27:31,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:27:31,100 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:27:31,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Forceful destruction successful, exit code 0 [2024-11-27 23:27:31,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:31,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:31,110 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:31,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2024-11-27 23:27:31,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:27:31,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:31,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:31,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:31,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:31,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:27:31,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:27:31,138 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:27:31,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Forceful destruction successful, exit code 0 [2024-11-27 23:27:31,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:31,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:31,149 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:31,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2024-11-27 23:27:31,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:27:31,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:31,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:31,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:31,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:31,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:27:31,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:27:31,171 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:27:31,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Ended with exit code 0 [2024-11-27 23:27:31,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:31,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:31,179 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:31,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2024-11-27 23:27:31,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:27:31,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:31,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:31,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:31,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:31,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:27:31,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:27:31,202 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:27:31,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Ended with exit code 0 [2024-11-27 23:27:31,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:31,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:31,210 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:31,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2024-11-27 23:27:31,213 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 [2024-11-27 23:27:31,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:31,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:31,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:31,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:31,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:27:31,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:27:31,233 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:27:31,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Forceful destruction successful, exit code 0 [2024-11-27 23:27:31,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:31,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:31,242 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:31,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2024-11-27 23:27:31,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:27:31,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:27:31,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:27:31,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:27:31,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:27:31,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:27:31,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:27:31,269 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:27:31,282 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-27 23:27:31,282 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-27 23:27:31,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:27:31,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:31,287 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:31,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2024-11-27 23:27:31,289 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:27:31,304 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:27:31,305 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:27:31,305 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 [] [2024-11-27 23:27:31,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Forceful destruction successful, exit code 0 [2024-11-27 23:27:31,361 INFO L156 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2024-11-27 23:27:31,364 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:27:31,364 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:27:31,364 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:27:31,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:31,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-27 23:27:31,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:32,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:27:32,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:32,068 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.15 stem predicates 3 loop predicates [2024-11-27 23:27:32,068 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 148 states and 178 transitions. cyclomatic complexity: 46 Second operand has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 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) [2024-11-27 23:27:32,130 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 148 states and 178 transitions. cyclomatic complexity: 46. Second operand has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 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 149 states and 180 transitions. Complement of second has 4 states. [2024-11-27 23:27:32,131 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 [2024-11-27 23:27:32,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 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) [2024-11-27 23:27:32,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:27:32,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 116 letters. Loop has 3 letters. [2024-11-27 23:27:32,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:27:32,132 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:27:32,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:32,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-27 23:27:32,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:32,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Ended with exit code 0 [2024-11-27 23:27:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:32,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:27:32,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:32,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:32,900 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.15 stem predicates 3 loop predicates [2024-11-27 23:27:32,900 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 148 states and 178 transitions. cyclomatic complexity: 46 Second operand has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 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) [2024-11-27 23:27:32,942 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 148 states and 178 transitions. cyclomatic complexity: 46. Second operand has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 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 149 states and 180 transitions. Complement of second has 4 states. [2024-11-27 23:27:32,942 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 [2024-11-27 23:27:32,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 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) [2024-11-27 23:27:32,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:27:32,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 116 letters. Loop has 3 letters. [2024-11-27 23:27:32,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:27:32,943 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:27:32,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:33,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-27 23:27:33,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:33,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:27:33,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:33,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:33,632 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 3 loop predicates [2024-11-27 23:27:33,632 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 148 states and 178 transitions. cyclomatic complexity: 46 Second operand has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 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) [2024-11-27 23:27:34,299 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 148 states and 178 transitions. cyclomatic complexity: 46. Second operand has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 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 179 states and 225 transitions. Complement of second has 36 states. [2024-11-27 23:27:34,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 15 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:27:34,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 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) [2024-11-27 23:27:34,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 121 transitions. [2024-11-27 23:27:34,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 121 transitions. Stem has 116 letters. Loop has 3 letters. [2024-11-27 23:27:34,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:27:34,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 121 transitions. Stem has 119 letters. Loop has 3 letters. [2024-11-27 23:27:34,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:27:34,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 121 transitions. Stem has 116 letters. Loop has 6 letters. [2024-11-27 23:27:34,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:27:34,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 179 states and 225 transitions. [2024-11-27 23:27:34,302 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:27:34,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 179 states to 171 states and 215 transitions. [2024-11-27 23:27:34,303 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:27:34,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:27:34,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 215 transitions. [2024-11-27 23:27:34,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:27:34,304 INFO L218 hiAutomatonCegarLoop]: Abstraction has 171 states and 215 transitions. [2024-11-27 23:27:34,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 215 transitions. [2024-11-27 23:27:34,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 154. [2024-11-27 23:27:34,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 154 states have (on average 1.2012987012987013) internal successors, (185), 153 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) [2024-11-27 23:27:34,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 185 transitions. [2024-11-27 23:27:34,308 INFO L240 hiAutomatonCegarLoop]: Abstraction has 154 states and 185 transitions. [2024-11-27 23:27:34,308 INFO L425 stractBuchiCegarLoop]: Abstraction has 154 states and 185 transitions. [2024-11-27 23:27:34,308 INFO L332 stractBuchiCegarLoop]: ======== Iteration 32 ============ [2024-11-27 23:27:34,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 154 states and 185 transitions. [2024-11-27 23:27:34,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:27:34,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:27:34,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:27:34,310 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:34,310 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:27:34,310 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:27:34,311 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:27:34,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:34,311 INFO L85 PathProgramCache]: Analyzing trace with hash 72392599, now seen corresponding path program 28 times [2024-11-27 23:27:34,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:27:34,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699737963] [2024-11-27 23:27:34,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:34,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:35,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:27:35,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699737963] [2024-11-27 23:27:35,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699737963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:27:35,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632865398] [2024-11-27 23:27:35,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:35,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:27:35,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:35,382 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:27:35,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (257)] Waiting until timeout for monitored process [2024-11-27 23:27:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:35,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-27 23:27:35,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:36,550 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:27:37,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632865398] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:27:37,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:27:37,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 49 [2024-11-27 23:27:37,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886757264] [2024-11-27 23:27:37,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:27:37,262 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:27:37,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:37,262 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 28 times [2024-11-27 23:27:37,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:27:37,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676115491] [2024-11-27 23:27:37,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:37,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:27:37,268 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:27:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:27:37,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:27:37,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:27:37,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-27 23:27:37,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=565, Invalid=1885, Unknown=0, NotChecked=0, Total=2450 [2024-11-27 23:27:37,328 INFO L87 Difference]: Start difference. First operand 154 states and 185 transitions. cyclomatic complexity: 48 Second operand has 50 states, 49 states have (on average 3.836734693877551) internal successors, (188), 50 states have internal predecessors, (188), 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) [2024-11-27 23:27:37,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:37,832 INFO L93 Difference]: Finished difference Result 247 states and 294 transitions. [2024-11-27 23:27:37,833 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 247 states and 294 transitions. [2024-11-27 23:27:37,834 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:27:37,835 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 247 states to 161 states and 194 transitions. [2024-11-27 23:27:37,835 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:27:37,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:27:37,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 161 states and 194 transitions. [2024-11-27 23:27:37,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:27:37,835 INFO L218 hiAutomatonCegarLoop]: Abstraction has 161 states and 194 transitions. [2024-11-27 23:27:37,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states and 194 transitions. [2024-11-27 23:27:37,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 158. [2024-11-27 23:27:37,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 158 states have (on average 1.2025316455696202) internal successors, (190), 157 states have internal predecessors, (190), 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) [2024-11-27 23:27:37,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 190 transitions. [2024-11-27 23:27:37,839 INFO L240 hiAutomatonCegarLoop]: Abstraction has 158 states and 190 transitions. [2024-11-27 23:27:37,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-27 23:27:37,840 INFO L425 stractBuchiCegarLoop]: Abstraction has 158 states and 190 transitions. [2024-11-27 23:27:37,840 INFO L332 stractBuchiCegarLoop]: ======== Iteration 33 ============ [2024-11-27 23:27:37,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states and 190 transitions. [2024-11-27 23:27:37,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:27:37,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:27:37,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:27:37,842 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 15, 15, 15, 15, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:37,842 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:27:37,843 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:27:37,843 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:27:37,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:37,843 INFO L85 PathProgramCache]: Analyzing trace with hash 589693233, now seen corresponding path program 29 times [2024-11-27 23:27:37,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:27:37,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313512341] [2024-11-27 23:27:37,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:37,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:27:37,901 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:27:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:27:37,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:27:37,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:37,957 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 29 times [2024-11-27 23:27:37,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:27:37,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032568205] [2024-11-27 23:27:37,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:37,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:27:37,963 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:27:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:27:37,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:27:37,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:37,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1134910434, now seen corresponding path program 14 times [2024-11-27 23:27:37,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:27:37,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158776234] [2024-11-27 23:27:37,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:37,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:27:38,057 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:27:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:27:38,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:28:34,996 WARN L286 SmtUtils]: Spent 56.81s on a formula simplification. DAG size of input: 471 DAG size of output: 347 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 23:28:41,545 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:28:41,545 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:28:41,545 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:28:41,545 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:28:41,545 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:28:41,545 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:41,545 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:28:41,545 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:28:41,545 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration33_Lasso [2024-11-27 23:28:41,545 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:28:41,545 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:28:41,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:28:41,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:28:41,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:28:41,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:28:41,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:28:41,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:28:41,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:28:41,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:28:41,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:28:49,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:28:49,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:28:49,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:28:49,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:28:49,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:28:49,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:28:50,366 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:28:50,366 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:28:50,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,371 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,374 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 [2024-11-27 23:28:50,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2024-11-27 23:28:50,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:50,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:50,396 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Forceful destruction successful, exit code 0 [2024-11-27 23:28:50,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,412 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2024-11-27 23:28:50,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:50,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:28:50,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:28:50,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:28:50,431 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Ended with exit code 0 [2024-11-27 23:28:50,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,441 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Waiting until timeout for monitored process [2024-11-27 23:28:50,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:50,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:28:50,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:28:50,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:28:50,459 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Ended with exit code 0 [2024-11-27 23:28:50,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,468 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2024-11-27 23:28:50,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:50,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:50,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:50,490 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Ended with exit code 0 [2024-11-27 23:28:50,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,498 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2024-11-27 23:28:50,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:50,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:28:50,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:28:50,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:28:50,516 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Ended with exit code 0 [2024-11-27 23:28:50,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,526 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2024-11-27 23:28:50,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:50,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:28:50,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:28:50,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:28:50,544 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Ended with exit code 0 [2024-11-27 23:28:50,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,553 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2024-11-27 23:28:50,556 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 [2024-11-27 23:28:50,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:28:50,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:28:50,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:28:50,571 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Ended with exit code 0 [2024-11-27 23:28:50,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,580 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2024-11-27 23:28:50,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:50,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:28:50,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:28:50,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:28:50,599 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Ended with exit code 0 [2024-11-27 23:28:50,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,608 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2024-11-27 23:28:50,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:50,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:50,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:50,630 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Ended with exit code 0 [2024-11-27 23:28:50,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,639 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2024-11-27 23:28:50,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:50,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:50,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:50,663 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Ended with exit code 0 [2024-11-27 23:28:50,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,671 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2024-11-27 23:28:50,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:50,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:50,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:50,693 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Ended with exit code 0 [2024-11-27 23:28:50,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,702 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2024-11-27 23:28:50,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:50,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:50,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:50,725 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Ended with exit code 0 [2024-11-27 23:28:50,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,738 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2024-11-27 23:28:50,742 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 [2024-11-27 23:28:50,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:50,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:50,762 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Ended with exit code 0 [2024-11-27 23:28:50,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,771 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Waiting until timeout for monitored process [2024-11-27 23:28:50,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:50,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:50,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:50,793 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Ended with exit code 0 [2024-11-27 23:28:50,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,802 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Waiting until timeout for monitored process [2024-11-27 23:28:50,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:50,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:50,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:50,826 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Ended with exit code 0 [2024-11-27 23:28:50,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,834 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Waiting until timeout for monitored process [2024-11-27 23:28:50,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:50,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:50,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:50,861 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Forceful destruction successful, exit code 0 [2024-11-27 23:28:50,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,875 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:50,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Waiting until timeout for monitored process [2024-11-27 23:28:50,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:50,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:50,907 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Forceful destruction successful, exit code 0 [2024-11-27 23:28:50,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,924 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Waiting until timeout for monitored process [2024-11-27 23:28:50,929 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 [2024-11-27 23:28:50,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:50,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:50,954 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:50,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Ended with exit code 0 [2024-11-27 23:28:50,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:50,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:50,967 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:50,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Waiting until timeout for monitored process [2024-11-27 23:28:50,972 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 [2024-11-27 23:28:50,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:50,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:50,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:50,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:50,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:50,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:50,997 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:51,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Ended with exit code 0 [2024-11-27 23:28:51,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:51,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:51,011 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:51,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Waiting until timeout for monitored process [2024-11-27 23:28:51,015 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 [2024-11-27 23:28:51,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:51,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:51,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:51,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:51,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:51,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:51,044 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:51,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Forceful destruction successful, exit code 0 [2024-11-27 23:28:51,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:51,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:51,057 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:51,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Waiting until timeout for monitored process [2024-11-27 23:28:51,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:51,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:51,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:51,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:51,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:51,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:51,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:51,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:28:51,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Forceful destruction successful, exit code 0 [2024-11-27 23:28:51,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:51,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:51,102 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:51,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Waiting until timeout for monitored process [2024-11-27 23:28:51,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:28:51,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:28:51,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:28:51,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:28:51,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:28:51,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:28:51,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:28:51,138 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:28:51,153 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-27 23:28:51,153 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-27 23:28:51,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:28:51,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:51,162 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:28:51,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Waiting until timeout for monitored process [2024-11-27 23:28:51,164 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:28:51,186 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:28:51,186 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:28:51,186 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 [] [2024-11-27 23:28:51,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Forceful destruction successful, exit code 0 [2024-11-27 23:28:51,265 INFO L156 tatePredicateManager]: 18 out of 19 supporting invariants were superfluous and have been removed [2024-11-27 23:28:51,267 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:28:51,268 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:28:51,268 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:28:51,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:51,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-27 23:28:51,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:51,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:28:51,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:52,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:28:52,049 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.16 stem predicates 3 loop predicates [2024-11-27 23:28:52,050 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 158 states and 190 transitions. cyclomatic complexity: 49 Second operand has 19 states, 19 states have (on average 3.736842105263158) internal successors, (71), 19 states have internal predecessors, (71), 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) [2024-11-27 23:28:52,120 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 158 states and 190 transitions. cyclomatic complexity: 49. Second operand has 19 states, 19 states have (on average 3.736842105263158) internal successors, (71), 19 states have internal predecessors, (71), 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 159 states and 192 transitions. Complement of second has 4 states. [2024-11-27 23:28:52,121 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 [2024-11-27 23:28:52,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 3.736842105263158) internal successors, (71), 19 states have internal predecessors, (71), 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) [2024-11-27 23:28:52,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:28:52,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 124 letters. Loop has 3 letters. [2024-11-27 23:28:52,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:28:52,122 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:28:52,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:52,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Ended with exit code 0 [2024-11-27 23:28:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:52,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-27 23:28:52,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:52,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:28:52,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:52,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:28:52,954 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.16 stem predicates 3 loop predicates [2024-11-27 23:28:52,954 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 158 states and 190 transitions. cyclomatic complexity: 49 Second operand has 19 states, 19 states have (on average 3.736842105263158) internal successors, (71), 19 states have internal predecessors, (71), 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) [2024-11-27 23:28:53,000 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 158 states and 190 transitions. cyclomatic complexity: 49. Second operand has 19 states, 19 states have (on average 3.736842105263158) internal successors, (71), 19 states have internal predecessors, (71), 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 159 states and 192 transitions. Complement of second has 4 states. [2024-11-27 23:28:53,000 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 [2024-11-27 23:28:53,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 3.736842105263158) internal successors, (71), 19 states have internal predecessors, (71), 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) [2024-11-27 23:28:53,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:28:53,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 124 letters. Loop has 3 letters. [2024-11-27 23:28:53,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:28:53,001 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:28:53,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:53,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-27 23:28:53,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:53,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:28:53,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:53,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:28:53,720 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 3 loop predicates [2024-11-27 23:28:53,720 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 158 states and 190 transitions. cyclomatic complexity: 49 Second operand has 19 states, 19 states have (on average 3.736842105263158) internal successors, (71), 19 states have internal predecessors, (71), 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) [2024-11-27 23:28:54,508 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 158 states and 190 transitions. cyclomatic complexity: 49. Second operand has 19 states, 19 states have (on average 3.736842105263158) internal successors, (71), 19 states have internal predecessors, (71), 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 190 states and 239 transitions. Complement of second has 38 states. [2024-11-27 23:28:54,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 21 states 16 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:28:54,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 3.736842105263158) internal successors, (71), 19 states have internal predecessors, (71), 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) [2024-11-27 23:28:54,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 128 transitions. [2024-11-27 23:28:54,509 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 128 transitions. Stem has 124 letters. Loop has 3 letters. [2024-11-27 23:28:54,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:28:54,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 128 transitions. Stem has 127 letters. Loop has 3 letters. [2024-11-27 23:28:54,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:28:54,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 128 transitions. Stem has 124 letters. Loop has 6 letters. [2024-11-27 23:28:54,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:28:54,510 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 239 transitions. [2024-11-27 23:28:54,512 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:28:54,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 182 states and 229 transitions. [2024-11-27 23:28:54,513 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:28:54,513 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:28:54,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 182 states and 229 transitions. [2024-11-27 23:28:54,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:28:54,514 INFO L218 hiAutomatonCegarLoop]: Abstraction has 182 states and 229 transitions. [2024-11-27 23:28:54,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states and 229 transitions. [2024-11-27 23:28:54,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 164. [2024-11-27 23:28:54,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 164 states have (on average 1.201219512195122) internal successors, (197), 163 states have internal predecessors, (197), 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) [2024-11-27 23:28:54,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 197 transitions. [2024-11-27 23:28:54,518 INFO L240 hiAutomatonCegarLoop]: Abstraction has 164 states and 197 transitions. [2024-11-27 23:28:54,518 INFO L425 stractBuchiCegarLoop]: Abstraction has 164 states and 197 transitions. [2024-11-27 23:28:54,518 INFO L332 stractBuchiCegarLoop]: ======== Iteration 34 ============ [2024-11-27 23:28:54,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states and 197 transitions. [2024-11-27 23:28:54,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:28:54,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:28:54,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:28:54,520 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:54,520 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:28:54,520 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:28:54,521 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:28:54,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:54,521 INFO L85 PathProgramCache]: Analyzing trace with hash 822487173, now seen corresponding path program 30 times [2024-11-27 23:28:54,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:28:54,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973513517] [2024-11-27 23:28:54,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:54,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:55,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:28:55,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973513517] [2024-11-27 23:28:55,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973513517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:28:55,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077400826] [2024-11-27 23:28:55,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:55,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:28:55,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:55,824 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:28:55,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (281)] Waiting until timeout for monitored process [2024-11-27 23:28:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:56,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-27 23:28:56,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:57,117 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:28:57,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077400826] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:28:57,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:28:57,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 52 [2024-11-27 23:28:57,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083589112] [2024-11-27 23:28:57,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:28:57,837 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:28:57,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:57,837 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 30 times [2024-11-27 23:28:57,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:28:57,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063023291] [2024-11-27 23:28:57,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:57,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:28:57,841 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:28:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:28:57,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:28:57,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:28:57,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-27 23:28:57,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=634, Invalid=2122, Unknown=0, NotChecked=0, Total=2756 [2024-11-27 23:28:57,902 INFO L87 Difference]: Start difference. First operand 164 states and 197 transitions. cyclomatic complexity: 51 Second operand has 53 states, 52 states have (on average 3.8461538461538463) internal successors, (200), 53 states have internal predecessors, (200), 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) [2024-11-27 23:28:58,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:58,466 INFO L93 Difference]: Finished difference Result 263 states and 313 transitions. [2024-11-27 23:28:58,466 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 313 transitions. [2024-11-27 23:28:58,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:28:58,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 171 states and 206 transitions. [2024-11-27 23:28:58,468 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:28:58,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:28:58,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 206 transitions. [2024-11-27 23:28:58,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:28:58,469 INFO L218 hiAutomatonCegarLoop]: Abstraction has 171 states and 206 transitions. [2024-11-27 23:28:58,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 206 transitions. [2024-11-27 23:28:58,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 168. [2024-11-27 23:28:58,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 168 states have (on average 1.2023809523809523) internal successors, (202), 167 states have internal predecessors, (202), 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) [2024-11-27 23:28:58,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 202 transitions. [2024-11-27 23:28:58,473 INFO L240 hiAutomatonCegarLoop]: Abstraction has 168 states and 202 transitions. [2024-11-27 23:28:58,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-27 23:28:58,474 INFO L425 stractBuchiCegarLoop]: Abstraction has 168 states and 202 transitions. [2024-11-27 23:28:58,474 INFO L332 stractBuchiCegarLoop]: ======== Iteration 35 ============ [2024-11-27 23:28:58,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states and 202 transitions. [2024-11-27 23:28:58,475 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:28:58,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:28:58,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:28:58,476 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 16, 16, 16, 16, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:58,476 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:28:58,476 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:28:58,477 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:28:58,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:58,477 INFO L85 PathProgramCache]: Analyzing trace with hash -904572897, now seen corresponding path program 31 times [2024-11-27 23:28:58,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:28:58,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135065552] [2024-11-27 23:28:58,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:58,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:28:58,599 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:28:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:28:58,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:28:58,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:58,790 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 31 times [2024-11-27 23:28:58,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:28:58,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545466225] [2024-11-27 23:28:58,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:58,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:28:58,809 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:28:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:28:58,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:28:58,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:58,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1506312652, now seen corresponding path program 15 times [2024-11-27 23:28:58,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:28:58,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799009028] [2024-11-27 23:28:58,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:58,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:28:58,912 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:28:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:28:58,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:30:25,790 WARN L286 SmtUtils]: Spent 1.45m on a formula simplification. DAG size of input: 500 DAG size of output: 368 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 23:30:32,035 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:30:32,035 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:30:32,035 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:30:32,035 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:30:32,035 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:30:32,035 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:32,035 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:30:32,035 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:30:32,036 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration35_Lasso [2024-11-27 23:30:32,036 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:30:32,036 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:30:32,038 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:30:32,041 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:30:32,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:30:32,045 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:30:32,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:30:32,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:30:32,052 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:30:32,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:30:32,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:30:43,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:30:43,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:30:43,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:30:43,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:30:43,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:30:43,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:30:44,179 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:30:44,179 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:30:44,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,184 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Waiting until timeout for monitored process [2024-11-27 23:30:44,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,211 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Ended with exit code 0 [2024-11-27 23:30:44,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,225 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Waiting until timeout for monitored process [2024-11-27 23:30:44,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:30:44,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:30:44,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:30:44,252 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:44,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,265 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Waiting until timeout for monitored process [2024-11-27 23:30:44,268 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 [2024-11-27 23:30:44,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:30:44,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:30:44,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:30:44,283 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Ended with exit code 0 [2024-11-27 23:30:44,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,291 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Waiting until timeout for monitored process [2024-11-27 23:30:44,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:30:44,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:30:44,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:30:44,309 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Ended with exit code 0 [2024-11-27 23:30:44,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,318 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Waiting until timeout for monitored process [2024-11-27 23:30:44,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,339 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Ended with exit code 0 [2024-11-27 23:30:44,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,348 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Waiting until timeout for monitored process [2024-11-27 23:30:44,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:30:44,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:30:44,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:30:44,368 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Ended with exit code 0 [2024-11-27 23:30:44,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,379 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Waiting until timeout for monitored process [2024-11-27 23:30:44,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:30:44,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:30:44,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:30:44,396 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Ended with exit code 0 [2024-11-27 23:30:44,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,404 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Waiting until timeout for monitored process [2024-11-27 23:30:44,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:30:44,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:30:44,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:30:44,422 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Ended with exit code 0 [2024-11-27 23:30:44,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,433 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Waiting until timeout for monitored process [2024-11-27 23:30:44,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,450 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,454 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Ended with exit code 0 [2024-11-27 23:30:44,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,462 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Waiting until timeout for monitored process [2024-11-27 23:30:44,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,484 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Ended with exit code 0 [2024-11-27 23:30:44,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,493 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Waiting until timeout for monitored process [2024-11-27 23:30:44,498 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 [2024-11-27 23:30:44,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,521 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Ended with exit code 0 [2024-11-27 23:30:44,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,530 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Waiting until timeout for monitored process [2024-11-27 23:30:44,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,552 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Ended with exit code 0 [2024-11-27 23:30:44,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,560 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Waiting until timeout for monitored process [2024-11-27 23:30:44,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,581 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Ended with exit code 0 [2024-11-27 23:30:44,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,590 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Waiting until timeout for monitored process [2024-11-27 23:30:44,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,613 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Ended with exit code 0 [2024-11-27 23:30:44,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,624 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Waiting until timeout for monitored process [2024-11-27 23:30:44,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,649 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:44,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,658 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Waiting until timeout for monitored process [2024-11-27 23:30:44,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,678 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,687 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Ended with exit code 0 [2024-11-27 23:30:44,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,695 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Waiting until timeout for monitored process [2024-11-27 23:30:44,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,716 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Ended with exit code 0 [2024-11-27 23:30:44,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,725 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Waiting until timeout for monitored process [2024-11-27 23:30:44,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,747 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Ended with exit code 0 [2024-11-27 23:30:44,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,756 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Waiting until timeout for monitored process [2024-11-27 23:30:44,758 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 [2024-11-27 23:30:44,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,778 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Ended with exit code 0 [2024-11-27 23:30:44,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,787 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Waiting until timeout for monitored process [2024-11-27 23:30:44,790 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 [2024-11-27 23:30:44,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,808 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Ended with exit code 0 [2024-11-27 23:30:44,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,817 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Waiting until timeout for monitored process [2024-11-27 23:30:44,820 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 [2024-11-27 23:30:44,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,841 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Ended with exit code 0 [2024-11-27 23:30:44,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,854 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Waiting until timeout for monitored process [2024-11-27 23:30:44,858 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 [2024-11-27 23:30:44,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,881 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Ended with exit code 0 [2024-11-27 23:30:44,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,891 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Waiting until timeout for monitored process [2024-11-27 23:30:44,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,914 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Ended with exit code 0 [2024-11-27 23:30:44,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,922 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Waiting until timeout for monitored process [2024-11-27 23:30:44,925 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 [2024-11-27 23:30:44,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,943 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:30:44,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Ended with exit code 0 [2024-11-27 23:30:44,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,951 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Waiting until timeout for monitored process [2024-11-27 23:30:44,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:30:44,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:30:44,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:30:44,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:30:44,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:30:44,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:30:44,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:30:44,978 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:30:44,986 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-27 23:30:44,986 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-11-27 23:30:44,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:30:44,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:44,989 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Waiting until timeout for monitored process [2024-11-27 23:30:44,991 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:30:45,005 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:30:45,006 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:30:45,006 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 60))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 60))_1 Supporting invariants [] [2024-11-27 23:30:45,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:45,072 INFO L156 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2024-11-27 23:30:45,075 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:30:45,075 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:30:45,075 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:30:45,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:45,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-27 23:30:45,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:45,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Ended with exit code 0 [2024-11-27 23:30:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:45,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:30:45,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:45,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:30:45,916 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.17 stem predicates 3 loop predicates [2024-11-27 23:30:45,916 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 168 states and 202 transitions. cyclomatic complexity: 52 Second operand has 20 states, 20 states have (on average 3.75) internal successors, (75), 20 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) [2024-11-27 23:30:45,983 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 168 states and 202 transitions. cyclomatic complexity: 52. Second operand has 20 states, 20 states have (on average 3.75) internal successors, (75), 20 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) Result 169 states and 204 transitions. Complement of second has 4 states. [2024-11-27 23:30:45,983 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 [2024-11-27 23:30:45,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.75) internal successors, (75), 20 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) [2024-11-27 23:30:45,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:30:45,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 132 letters. Loop has 3 letters. [2024-11-27 23:30:45,984 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:30:45,984 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:30:46,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:46,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-27 23:30:46,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:46,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:30:46,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:46,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:30:46,828 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.17 stem predicates 3 loop predicates [2024-11-27 23:30:46,828 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 168 states and 202 transitions. cyclomatic complexity: 52 Second operand has 20 states, 20 states have (on average 3.75) internal successors, (75), 20 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) [2024-11-27 23:30:46,887 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 168 states and 202 transitions. cyclomatic complexity: 52. Second operand has 20 states, 20 states have (on average 3.75) internal successors, (75), 20 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) Result 169 states and 204 transitions. Complement of second has 4 states. [2024-11-27 23:30:46,887 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 [2024-11-27 23:30:46,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.75) internal successors, (75), 20 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) [2024-11-27 23:30:46,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:30:46,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 132 letters. Loop has 3 letters. [2024-11-27 23:30:46,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:30:46,906 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:30:46,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:47,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-27 23:30:47,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:47,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:30:47,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:47,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:30:47,750 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.17 stem predicates 3 loop predicates [2024-11-27 23:30:47,750 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 168 states and 202 transitions. cyclomatic complexity: 52 Second operand has 20 states, 20 states have (on average 3.75) internal successors, (75), 20 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) [2024-11-27 23:30:48,675 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 168 states and 202 transitions. cyclomatic complexity: 52. Second operand has 20 states, 20 states have (on average 3.75) internal successors, (75), 20 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) Result 201 states and 253 transitions. Complement of second has 40 states. [2024-11-27 23:30:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 22 states 17 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:30:48,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.75) internal successors, (75), 20 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) [2024-11-27 23:30:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 135 transitions. [2024-11-27 23:30:48,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 135 transitions. Stem has 132 letters. Loop has 3 letters. [2024-11-27 23:30:48,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:30:48,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 135 transitions. Stem has 135 letters. Loop has 3 letters. [2024-11-27 23:30:48,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:30:48,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 135 transitions. Stem has 132 letters. Loop has 6 letters. [2024-11-27 23:30:48,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:30:48,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 201 states and 253 transitions. [2024-11-27 23:30:48,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:30:48,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 201 states to 193 states and 243 transitions. [2024-11-27 23:30:48,680 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:30:48,681 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:30:48,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 193 states and 243 transitions. [2024-11-27 23:30:48,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:30:48,681 INFO L218 hiAutomatonCegarLoop]: Abstraction has 193 states and 243 transitions. [2024-11-27 23:30:48,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states and 243 transitions. [2024-11-27 23:30:48,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 174. [2024-11-27 23:30:48,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 174 states have (on average 1.2011494252873562) internal successors, (209), 173 states have internal predecessors, (209), 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) [2024-11-27 23:30:48,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 209 transitions. [2024-11-27 23:30:48,685 INFO L240 hiAutomatonCegarLoop]: Abstraction has 174 states and 209 transitions. [2024-11-27 23:30:48,685 INFO L425 stractBuchiCegarLoop]: Abstraction has 174 states and 209 transitions. [2024-11-27 23:30:48,685 INFO L332 stractBuchiCegarLoop]: ======== Iteration 36 ============ [2024-11-27 23:30:48,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 174 states and 209 transitions. [2024-11-27 23:30:48,686 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:30:48,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:30:48,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:30:48,687 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [17, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:48,688 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:30:48,688 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:30:48,688 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:30:48,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:48,689 INFO L85 PathProgramCache]: Analyzing trace with hash 548950131, now seen corresponding path program 32 times [2024-11-27 23:30:48,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:30:48,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568243919] [2024-11-27 23:30:48,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:48,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:50,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:30:50,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568243919] [2024-11-27 23:30:50,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568243919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:50,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402813215] [2024-11-27 23:30:50,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:50,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:50,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:50,095 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:50,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (308)] Waiting until timeout for monitored process [2024-11-27 23:30:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:50,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-27 23:30:50,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:51,444 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:52,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402813215] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:30:52,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:30:52,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 55 [2024-11-27 23:30:52,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866213744] [2024-11-27 23:30:52,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:30:52,241 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:30:52,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:52,241 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 32 times [2024-11-27 23:30:52,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:30:52,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011934308] [2024-11-27 23:30:52,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:52,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:30:52,248 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:30:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:30:52,251 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:30:52,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:30:52,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-27 23:30:52,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=707, Invalid=2373, Unknown=0, NotChecked=0, Total=3080 [2024-11-27 23:30:52,317 INFO L87 Difference]: Start difference. First operand 174 states and 209 transitions. cyclomatic complexity: 54 Second operand has 56 states, 55 states have (on average 3.8545454545454545) internal successors, (212), 56 states have internal predecessors, (212), 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) [2024-11-27 23:30:53,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:53,059 INFO L93 Difference]: Finished difference Result 279 states and 332 transitions. [2024-11-27 23:30:53,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 332 transitions. [2024-11-27 23:30:53,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:30:53,062 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 181 states and 218 transitions. [2024-11-27 23:30:53,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:30:53,062 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:30:53,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 181 states and 218 transitions. [2024-11-27 23:30:53,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:30:53,062 INFO L218 hiAutomatonCegarLoop]: Abstraction has 181 states and 218 transitions. [2024-11-27 23:30:53,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states and 218 transitions. [2024-11-27 23:30:53,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 178. [2024-11-27 23:30:53,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 178 states have (on average 1.202247191011236) internal successors, (214), 177 states have internal predecessors, (214), 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) [2024-11-27 23:30:53,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 214 transitions. [2024-11-27 23:30:53,066 INFO L240 hiAutomatonCegarLoop]: Abstraction has 178 states and 214 transitions. [2024-11-27 23:30:53,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-27 23:30:53,067 INFO L425 stractBuchiCegarLoop]: Abstraction has 178 states and 214 transitions. [2024-11-27 23:30:53,067 INFO L332 stractBuchiCegarLoop]: ======== Iteration 37 ============ [2024-11-27 23:30:53,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 178 states and 214 transitions. [2024-11-27 23:30:53,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:30:53,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:30:53,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:30:53,069 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [17, 17, 17, 17, 17, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:53,069 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:30:53,069 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:30:53,069 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:30:53,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:53,070 INFO L85 PathProgramCache]: Analyzing trace with hash -656720371, now seen corresponding path program 33 times [2024-11-27 23:30:53,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:30:53,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290049489] [2024-11-27 23:30:53,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:53,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:30:53,137 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:30:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:30:53,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:30:53,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:53,199 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 33 times [2024-11-27 23:30:53,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:30:53,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611890551] [2024-11-27 23:30:53,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:53,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:30:53,204 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:30:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:30:53,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:30:53,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:53,208 INFO L85 PathProgramCache]: Analyzing trace with hash -780492410, now seen corresponding path program 16 times [2024-11-27 23:30:53,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:30:53,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139450550] [2024-11-27 23:30:53,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:53,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:30:53,276 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:30:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:30:53,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:33:31,970 WARN L286 SmtUtils]: Spent 2.64m on a formula simplification. DAG size of input: 529 DAG size of output: 386 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 23:33:32,664 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:33:32,664 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:33:32,664 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:33:32,664 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:33:32,664 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:33:32,664 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:32,664 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:33:32,664 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:33:32,664 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration37_Lasso [2024-11-27 23:33:32,664 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:33:32,664 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:33:32,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:32,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:32,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:32,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:32,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:32,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:32,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:32,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:32,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:32,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:32,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:32,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:32,693 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:33,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:33,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:33,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:34,278 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:33:34,278 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:33:34,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,280 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Waiting until timeout for monitored process [2024-11-27 23:33:34,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:34,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:34,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:34,300 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Ended with exit code 0 [2024-11-27 23:33:34,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,309 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Waiting until timeout for monitored process [2024-11-27 23:33:34,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:34,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:34,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:34,327 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Ended with exit code 0 [2024-11-27 23:33:34,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,336 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Waiting until timeout for monitored process [2024-11-27 23:33:34,339 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 [2024-11-27 23:33:34,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:34,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:34,358 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Ended with exit code 0 [2024-11-27 23:33:34,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,367 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Waiting until timeout for monitored process [2024-11-27 23:33:34,370 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 [2024-11-27 23:33:34,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:34,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:34,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:34,385 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Ended with exit code 0 [2024-11-27 23:33:34,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,393 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Waiting until timeout for monitored process [2024-11-27 23:33:34,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:34,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:34,415 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Ended with exit code 0 [2024-11-27 23:33:34,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,424 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Waiting until timeout for monitored process [2024-11-27 23:33:34,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:34,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:34,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:34,442 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Ended with exit code 0 [2024-11-27 23:33:34,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,450 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Waiting until timeout for monitored process [2024-11-27 23:33:34,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:34,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:34,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:34,468 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:34,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,477 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Waiting until timeout for monitored process [2024-11-27 23:33:34,480 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 [2024-11-27 23:33:34,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:34,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:34,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:34,495 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Ended with exit code 0 [2024-11-27 23:33:34,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,503 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Waiting until timeout for monitored process [2024-11-27 23:33:34,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:34,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:34,524 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Ended with exit code 0 [2024-11-27 23:33:34,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,533 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Waiting until timeout for monitored process [2024-11-27 23:33:34,536 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 [2024-11-27 23:33:34,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:34,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:34,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:34,551 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Ended with exit code 0 [2024-11-27 23:33:34,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,559 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Waiting until timeout for monitored process [2024-11-27 23:33:34,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:34,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:34,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:34,578 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Ended with exit code 0 [2024-11-27 23:33:34,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,586 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Waiting until timeout for monitored process [2024-11-27 23:33:34,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:34,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:34,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:34,604 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:34,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,613 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Waiting until timeout for monitored process [2024-11-27 23:33:34,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:34,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:34,636 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Ended with exit code 0 [2024-11-27 23:33:34,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,644 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Waiting until timeout for monitored process [2024-11-27 23:33:34,647 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 [2024-11-27 23:33:34,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:34,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:34,673 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Ended with exit code 0 [2024-11-27 23:33:34,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,682 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Waiting until timeout for monitored process [2024-11-27 23:33:34,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,700 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:34,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:34,704 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Ended with exit code 0 [2024-11-27 23:33:34,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,712 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Waiting until timeout for monitored process [2024-11-27 23:33:34,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,730 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:34,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:34,734 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Ended with exit code 0 [2024-11-27 23:33:34,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,743 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Waiting until timeout for monitored process [2024-11-27 23:33:34,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:34,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:34,770 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Ended with exit code 0 [2024-11-27 23:33:34,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,780 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Waiting until timeout for monitored process [2024-11-27 23:33:34,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:34,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:34,802 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Ended with exit code 0 [2024-11-27 23:33:34,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,811 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Waiting until timeout for monitored process [2024-11-27 23:33:34,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:34,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:34,832 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Ended with exit code 0 [2024-11-27 23:33:34,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,842 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Waiting until timeout for monitored process [2024-11-27 23:33:34,844 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 [2024-11-27 23:33:34,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:34,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:34,866 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Ended with exit code 0 [2024-11-27 23:33:34,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,875 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Waiting until timeout for monitored process [2024-11-27 23:33:34,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:34,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:34,897 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Ended with exit code 0 [2024-11-27 23:33:34,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,906 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Waiting until timeout for monitored process [2024-11-27 23:33:34,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:34,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:34,928 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Ended with exit code 0 [2024-11-27 23:33:34,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,936 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Waiting until timeout for monitored process [2024-11-27 23:33:34,939 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 [2024-11-27 23:33:34,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:34,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:34,958 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Ended with exit code 0 [2024-11-27 23:33:34,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,967 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Waiting until timeout for monitored process [2024-11-27 23:33:34,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:34,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:34,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:34,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:34,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:34,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:34,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:34,989 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:34,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:34,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:34,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:34,998 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:34,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Waiting until timeout for monitored process [2024-11-27 23:33:35,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:35,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:35,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:35,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:35,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:35,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:35,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:35,020 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:35,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Ended with exit code 0 [2024-11-27 23:33:35,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:35,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:35,029 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:35,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Waiting until timeout for monitored process [2024-11-27 23:33:35,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:35,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:35,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:35,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:35,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:35,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:35,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:35,054 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:35,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Ended with exit code 0 [2024-11-27 23:33:35,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:35,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:35,063 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:35,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Waiting until timeout for monitored process [2024-11-27 23:33:35,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:35,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:35,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:35,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:35,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:35,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:35,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:35,085 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:35,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:35,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:35,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:35,094 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:35,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Waiting until timeout for monitored process [2024-11-27 23:33:35,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:35,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:35,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:35,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:35,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:35,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:35,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:35,118 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:35,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Ended with exit code 0 [2024-11-27 23:33:35,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:35,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:35,131 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:35,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Waiting until timeout for monitored process [2024-11-27 23:33:35,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:35,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:35,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:35,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:35,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:35,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:35,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:35,163 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:35,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Ended with exit code 0 [2024-11-27 23:33:35,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:35,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:35,176 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:35,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:35,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Waiting until timeout for monitored process [2024-11-27 23:33:35,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:35,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:35,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:35,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:35,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:35,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:35,206 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:35,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:35,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:35,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:35,218 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:35,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Waiting until timeout for monitored process [2024-11-27 23:33:35,221 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 [2024-11-27 23:33:35,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:35,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:35,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:35,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:35,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:35,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:35,245 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:33:35,256 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-27 23:33:35,257 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-27 23:33:35,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:35,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:35,259 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:35,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Waiting until timeout for monitored process [2024-11-27 23:33:35,262 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:33:35,276 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:33:35,276 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:33:35,277 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)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) 64)_1 Supporting invariants [] [2024-11-27 23:33:35,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:35,342 INFO L156 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2024-11-27 23:33:35,345 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:33:35,345 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:33:35,345 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:33:35,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:35,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-27 23:33:35,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:36,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:36,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:33:36,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:36,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:33:36,607 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.19 stem predicates 3 loop predicates [2024-11-27 23:33:36,607 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 178 states and 214 transitions. cyclomatic complexity: 55 Second operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 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) [2024-11-27 23:33:36,685 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 178 states and 214 transitions. cyclomatic complexity: 55. Second operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 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) Result 179 states and 216 transitions. Complement of second has 5 states. [2024-11-27 23:33:36,685 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 [2024-11-27 23:33:36,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 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) [2024-11-27 23:33:36,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-27 23:33:36,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 140 letters. Loop has 3 letters. [2024-11-27 23:33:36,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:33:36,686 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:33:36,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:36,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-27 23:33:36,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:37,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:33:37,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:37,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:33:37,983 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.19 stem predicates 3 loop predicates [2024-11-27 23:33:37,983 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 178 states and 214 transitions. cyclomatic complexity: 55 Second operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 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) [2024-11-27 23:33:38,062 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 178 states and 214 transitions. cyclomatic complexity: 55. Second operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 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) Result 179 states and 216 transitions. Complement of second has 5 states. [2024-11-27 23:33:38,063 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 [2024-11-27 23:33:38,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 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) [2024-11-27 23:33:38,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-27 23:33:38,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 140 letters. Loop has 3 letters. [2024-11-27 23:33:38,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:33:38,064 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:33:38,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:38,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-27 23:33:38,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:39,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:33:39,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:33:39,357 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.19 stem predicates 3 loop predicates [2024-11-27 23:33:39,357 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 178 states and 214 transitions. cyclomatic complexity: 55 Second operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 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) [2024-11-27 23:33:40,621 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 178 states and 214 transitions. cyclomatic complexity: 55. Second operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 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) Result 212 states and 267 transitions. Complement of second has 43 states. [2024-11-27 23:33:40,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 24 states 19 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:33:40,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 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) [2024-11-27 23:33:40,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 142 transitions. [2024-11-27 23:33:40,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 142 transitions. Stem has 140 letters. Loop has 3 letters. [2024-11-27 23:33:40,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:33:40,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 142 transitions. Stem has 143 letters. Loop has 3 letters. [2024-11-27 23:33:40,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:33:40,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 142 transitions. Stem has 140 letters. Loop has 6 letters. [2024-11-27 23:33:40,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:33:40,624 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 212 states and 267 transitions. [2024-11-27 23:33:40,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:33:40,627 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 212 states to 204 states and 257 transitions. [2024-11-27 23:33:40,627 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:33:40,627 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:33:40,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 204 states and 257 transitions. [2024-11-27 23:33:40,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:33:40,627 INFO L218 hiAutomatonCegarLoop]: Abstraction has 204 states and 257 transitions. [2024-11-27 23:33:40,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states and 257 transitions. [2024-11-27 23:33:40,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 184. [2024-11-27 23:33:40,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 184 states have (on average 1.201086956521739) internal successors, (221), 183 states have internal predecessors, (221), 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) [2024-11-27 23:33:40,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 221 transitions. [2024-11-27 23:33:40,633 INFO L240 hiAutomatonCegarLoop]: Abstraction has 184 states and 221 transitions. [2024-11-27 23:33:40,633 INFO L425 stractBuchiCegarLoop]: Abstraction has 184 states and 221 transitions. [2024-11-27 23:33:40,633 INFO L332 stractBuchiCegarLoop]: ======== Iteration 38 ============ [2024-11-27 23:33:40,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 184 states and 221 transitions. [2024-11-27 23:33:40,634 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:33:40,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:33:40,634 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:33:40,635 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [18, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:40,635 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:33:40,635 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:33:40,636 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:33:40,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:40,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1574541153, now seen corresponding path program 34 times [2024-11-27 23:33:40,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:33:40,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111185914] [2024-11-27 23:33:40,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:40,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:42,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:33:42,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111185914] [2024-11-27 23:33:42,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111185914] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:33:42,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212418607] [2024-11-27 23:33:42,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:42,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:33:42,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,066 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (341)] Waiting until timeout for monitored process [2024-11-27 23:33:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:42,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-27 23:33:42,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:43,575 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:33:44,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212418607] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:33:44,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:33:44,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 58 [2024-11-27 23:33:44,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974569730] [2024-11-27 23:33:44,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:33:44,490 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:33:44,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:44,490 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 34 times [2024-11-27 23:33:44,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:33:44,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432243268] [2024-11-27 23:33:44,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:44,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:44,494 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:33:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:44,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:33:44,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:33:44,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-11-27 23:33:44,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=784, Invalid=2638, Unknown=0, NotChecked=0, Total=3422 [2024-11-27 23:33:44,577 INFO L87 Difference]: Start difference. First operand 184 states and 221 transitions. cyclomatic complexity: 57 Second operand has 59 states, 58 states have (on average 3.8620689655172415) internal successors, (224), 59 states have internal predecessors, (224), 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) [2024-11-27 23:33:45,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:45,207 INFO L93 Difference]: Finished difference Result 295 states and 351 transitions. [2024-11-27 23:33:45,207 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 295 states and 351 transitions. [2024-11-27 23:33:45,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:33:45,209 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 295 states to 191 states and 230 transitions. [2024-11-27 23:33:45,209 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:33:45,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:33:45,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 191 states and 230 transitions. [2024-11-27 23:33:45,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:33:45,209 INFO L218 hiAutomatonCegarLoop]: Abstraction has 191 states and 230 transitions. [2024-11-27 23:33:45,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states and 230 transitions. [2024-11-27 23:33:45,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 188. [2024-11-27 23:33:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 188 states have (on average 1.202127659574468) internal successors, (226), 187 states have internal predecessors, (226), 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) [2024-11-27 23:33:45,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 226 transitions. [2024-11-27 23:33:45,212 INFO L240 hiAutomatonCegarLoop]: Abstraction has 188 states and 226 transitions. [2024-11-27 23:33:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 23:33:45,213 INFO L425 stractBuchiCegarLoop]: Abstraction has 188 states and 226 transitions. [2024-11-27 23:33:45,213 INFO L332 stractBuchiCegarLoop]: ======== Iteration 39 ============ [2024-11-27 23:33:45,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 188 states and 226 transitions. [2024-11-27 23:33:45,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:33:45,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:33:45,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:33:45,215 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [18, 18, 18, 18, 18, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:45,215 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:33:45,216 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:33:45,216 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:33:45,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:45,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1609190139, now seen corresponding path program 35 times [2024-11-27 23:33:45,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:33:45,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212991212] [2024-11-27 23:33:45,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:45,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:45,300 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:33:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:45,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:33:45,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:45,370 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 35 times [2024-11-27 23:33:45,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:33:45,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387975023] [2024-11-27 23:33:45,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:45,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:45,376 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:33:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:45,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:33:45,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:45,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1041480232, now seen corresponding path program 17 times [2024-11-27 23:33:45,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:33:45,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977946269] [2024-11-27 23:33:45,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:45,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:45,459 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:33:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:45,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:36:17,161 WARN L286 SmtUtils]: Spent 2.53m on a formula simplification. DAG size of input: 558 DAG size of output: 410 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 23:36:26,673 WARN L286 SmtUtils]: Spent 7.42s on a formula simplification. DAG size of input: 126 DAG size of output: 98 (called from [L 299] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 23:36:26,675 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:36:26,675 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:36:26,675 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:36:26,676 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:36:26,676 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:36:26,676 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:26,676 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:36:26,676 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:36:26,676 INFO L132 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration39_Lasso [2024-11-27 23:36:26,676 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:36:26,676 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:36:26,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:36:26,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:36:26,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:36:26,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:36:26,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:36:26,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:36:26,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:36:45,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:36:45,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:36:45,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:36:45,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:36:45,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:36:45,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:36:45,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:36:45,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:36:46,235 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:36:46,235 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:36:46,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,237 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Waiting until timeout for monitored process [2024-11-27 23:36:46,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:36:46,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:36:46,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:36:46,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:36:46,253 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Ended with exit code 0 [2024-11-27 23:36:46,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,261 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Waiting until timeout for monitored process [2024-11-27 23:36:46,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:36:46,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:36:46,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:36:46,278 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Ended with exit code 0 [2024-11-27 23:36:46,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,285 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Waiting until timeout for monitored process [2024-11-27 23:36:46,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:36:46,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:36:46,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:36:46,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:36:46,300 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Ended with exit code 0 [2024-11-27 23:36:46,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,307 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Waiting until timeout for monitored process [2024-11-27 23:36:46,309 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 [2024-11-27 23:36:46,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:36:46,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:36:46,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:36:46,322 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Ended with exit code 0 [2024-11-27 23:36:46,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,330 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Waiting until timeout for monitored process [2024-11-27 23:36:46,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:36:46,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:36:46,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:36:46,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:36:46,345 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Ended with exit code 0 [2024-11-27 23:36:46,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,353 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Waiting until timeout for monitored process [2024-11-27 23:36:46,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:36:46,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:36:46,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:36:46,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:36:46,368 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Ended with exit code 0 [2024-11-27 23:36:46,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,376 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Waiting until timeout for monitored process [2024-11-27 23:36:46,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:36:46,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:36:46,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:36:46,412 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Forceful destruction successful, exit code 0 [2024-11-27 23:36:46,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,420 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Waiting until timeout for monitored process [2024-11-27 23:36:46,422 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 [2024-11-27 23:36:46,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:36:46,435 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:36:46,438 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Ended with exit code 0 [2024-11-27 23:36:46,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,445 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Waiting until timeout for monitored process [2024-11-27 23:36:46,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:36:46,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:36:46,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:36:46,464 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Ended with exit code 0 [2024-11-27 23:36:46,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,471 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Waiting until timeout for monitored process [2024-11-27 23:36:46,473 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 [2024-11-27 23:36:46,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:36:46,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:36:46,490 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Ended with exit code 0 [2024-11-27 23:36:46,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,497 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Waiting until timeout for monitored process [2024-11-27 23:36:46,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:36:46,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:36:46,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:36:46,515 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Ended with exit code 0 [2024-11-27 23:36:46,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,522 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Waiting until timeout for monitored process [2024-11-27 23:36:46,525 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 [2024-11-27 23:36:46,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:36:46,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:36:46,543 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Ended with exit code 0 [2024-11-27 23:36:46,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,550 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Waiting until timeout for monitored process [2024-11-27 23:36:46,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:36:46,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:36:46,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:36:46,569 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Ended with exit code 0 [2024-11-27 23:36:46,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,576 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (355)] Waiting until timeout for monitored process [2024-11-27 23:36:46,579 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 [2024-11-27 23:36:46,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:36:46,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:36:46,595 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (355)] Ended with exit code 0 [2024-11-27 23:36:46,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,602 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Waiting until timeout for monitored process [2024-11-27 23:36:46,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:36:46,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:36:46,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:36:46,621 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Ended with exit code 0 [2024-11-27 23:36:46,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,628 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Waiting until timeout for monitored process [2024-11-27 23:36:46,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:36:46,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:36:46,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:36:46,646 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Ended with exit code 0 [2024-11-27 23:36:46,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,653 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Waiting until timeout for monitored process [2024-11-27 23:36:46,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:36:46,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:36:46,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:36:46,671 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Ended with exit code 0 [2024-11-27 23:36:46,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,678 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Waiting until timeout for monitored process [2024-11-27 23:36:46,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:36:46,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:36:46,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:36:46,697 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Ended with exit code 0 [2024-11-27 23:36:46,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,705 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Waiting until timeout for monitored process [2024-11-27 23:36:46,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:36:46,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:36:46,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:36:46,724 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:36:46,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Ended with exit code 0 [2024-11-27 23:36:46,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,732 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Waiting until timeout for monitored process [2024-11-27 23:36:46,734 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 [2024-11-27 23:36:46,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:36:46,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:36:46,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:36:46,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:36:46,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:36:46,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:36:46,756 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:36:46,764 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-27 23:36:46,764 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-27 23:36:46,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:36:46,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:46,766 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:46,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (362)] Waiting until timeout for monitored process [2024-11-27 23:36:46,769 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:36:46,781 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:36:46,781 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:36:46,781 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 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ 68 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2024-11-27 23:36:46,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Ended with exit code 0 [2024-11-27 23:36:46,842 INFO L156 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2024-11-27 23:36:46,844 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 23:36:46,844 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 23:36:46,845 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~arr~0!base,]]] [2024-11-27 23:36:46,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:46,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-27 23:36:46,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:47,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:36:47,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:36:47,646 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.19 stem predicates 3 loop predicates [2024-11-27 23:36:47,646 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 188 states and 226 transitions. cyclomatic complexity: 58 Second operand has 22 states, 22 states have (on average 3.772727272727273) internal successors, (83), 22 states have internal predecessors, (83), 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) [2024-11-27 23:36:47,709 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 188 states and 226 transitions. cyclomatic complexity: 58. Second operand has 22 states, 22 states have (on average 3.772727272727273) internal successors, (83), 22 states have internal predecessors, (83), 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 189 states and 228 transitions. Complement of second has 4 states. [2024-11-27 23:36:47,709 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 [2024-11-27 23:36:47,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 3.772727272727273) internal successors, (83), 22 states have internal predecessors, (83), 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) [2024-11-27 23:36:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:36:47,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 148 letters. Loop has 3 letters. [2024-11-27 23:36:47,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:36:47,710 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:36:47,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:47,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (362)] Ended with exit code 0 [2024-11-27 23:36:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:47,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-27 23:36:47,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:48,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:36:48,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:48,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:36:48,766 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.19 stem predicates 3 loop predicates [2024-11-27 23:36:48,766 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 188 states and 226 transitions. cyclomatic complexity: 58 Second operand has 22 states, 22 states have (on average 3.772727272727273) internal successors, (83), 22 states have internal predecessors, (83), 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) [2024-11-27 23:36:48,818 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 188 states and 226 transitions. cyclomatic complexity: 58. Second operand has 22 states, 22 states have (on average 3.772727272727273) internal successors, (83), 22 states have internal predecessors, (83), 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 189 states and 228 transitions. Complement of second has 4 states. [2024-11-27 23:36:48,819 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 [2024-11-27 23:36:48,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 3.772727272727273) internal successors, (83), 22 states have internal predecessors, (83), 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) [2024-11-27 23:36:48,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-27 23:36:48,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 148 letters. Loop has 3 letters. [2024-11-27 23:36:48,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:36:48,820 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:36:48,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:48,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-27 23:36:48,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:49,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:36:49,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:49,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:36:49,575 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.19 stem predicates 3 loop predicates [2024-11-27 23:36:49,575 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 188 states and 226 transitions. cyclomatic complexity: 58 Second operand has 22 states, 22 states have (on average 3.772727272727273) internal successors, (83), 22 states have internal predecessors, (83), 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) [2024-11-27 23:36:50,386 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 188 states and 226 transitions. cyclomatic complexity: 58. Second operand has 22 states, 22 states have (on average 3.772727272727273) internal successors, (83), 22 states have internal predecessors, (83), 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 223 states and 281 transitions. Complement of second has 44 states. [2024-11-27 23:36:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 24 states 19 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-27 23:36:50,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 3.772727272727273) internal successors, (83), 22 states have internal predecessors, (83), 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) [2024-11-27 23:36:50,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 149 transitions. [2024-11-27 23:36:50,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 149 transitions. Stem has 148 letters. Loop has 3 letters. [2024-11-27 23:36:50,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:36:50,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 149 transitions. Stem has 151 letters. Loop has 3 letters. [2024-11-27 23:36:50,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:36:50,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 149 transitions. Stem has 148 letters. Loop has 6 letters. [2024-11-27 23:36:50,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:36:50,388 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 223 states and 281 transitions. [2024-11-27 23:36:50,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:36:50,389 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 223 states to 215 states and 271 transitions. [2024-11-27 23:36:50,389 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:36:50,389 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:36:50,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 271 transitions. [2024-11-27 23:36:50,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:36:50,389 INFO L218 hiAutomatonCegarLoop]: Abstraction has 215 states and 271 transitions. [2024-11-27 23:36:50,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 271 transitions. [2024-11-27 23:36:50,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 194. [2024-11-27 23:36:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 194 states have (on average 1.2010309278350515) internal successors, (233), 193 states have internal predecessors, (233), 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) [2024-11-27 23:36:50,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 233 transitions. [2024-11-27 23:36:50,392 INFO L240 hiAutomatonCegarLoop]: Abstraction has 194 states and 233 transitions. [2024-11-27 23:36:50,392 INFO L425 stractBuchiCegarLoop]: Abstraction has 194 states and 233 transitions. [2024-11-27 23:36:50,392 INFO L332 stractBuchiCegarLoop]: ======== Iteration 40 ============ [2024-11-27 23:36:50,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 194 states and 233 transitions. [2024-11-27 23:36:50,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:36:50,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:36:50,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:36:50,394 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [19, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:50,394 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:36:50,394 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:36:50,394 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:36:50,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:50,394 INFO L85 PathProgramCache]: Analyzing trace with hash 2073853263, now seen corresponding path program 36 times [2024-11-27 23:36:50,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:36:50,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040948221] [2024-11-27 23:36:50,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:50,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:51,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:36:51,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040948221] [2024-11-27 23:36:51,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040948221] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:51,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876717921] [2024-11-27 23:36:51,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:51,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:51,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:51,997 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:36:51,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed1522d5-1944-43e9-bb1a-99fc97931676/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (363)] Waiting until timeout for monitored process [2024-11-27 23:36:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:52,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-27 23:36:52,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:53,406 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:36:54,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876717921] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:36:54,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:36:54,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 61 [2024-11-27 23:36:54,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592020628] [2024-11-27 23:36:54,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:36:54,278 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:36:54,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:54,278 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 36 times [2024-11-27 23:36:54,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:36:54,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782425637] [2024-11-27 23:36:54,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:54,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:36:54,284 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:36:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:36:54,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:36:54,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:36:54,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-27 23:36:54,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=865, Invalid=2917, Unknown=0, NotChecked=0, Total=3782 [2024-11-27 23:36:54,331 INFO L87 Difference]: Start difference. First operand 194 states and 233 transitions. cyclomatic complexity: 60 Second operand has 62 states, 61 states have (on average 3.8688524590163933) internal successors, (236), 62 states have internal predecessors, (236), 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) [2024-11-27 23:36:54,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:54,942 INFO L93 Difference]: Finished difference Result 311 states and 370 transitions. [2024-11-27 23:36:54,942 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 370 transitions. [2024-11-27 23:36:54,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:36:54,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 201 states and 242 transitions. [2024-11-27 23:36:54,944 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:36:54,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 23:36:54,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 201 states and 242 transitions. [2024-11-27 23:36:54,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:36:54,944 INFO L218 hiAutomatonCegarLoop]: Abstraction has 201 states and 242 transitions. [2024-11-27 23:36:54,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states and 242 transitions. [2024-11-27 23:36:54,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 198. [2024-11-27 23:36:54,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 198 states have (on average 1.202020202020202) internal successors, (238), 197 states have internal predecessors, (238), 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) [2024-11-27 23:36:54,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 238 transitions. [2024-11-27 23:36:54,948 INFO L240 hiAutomatonCegarLoop]: Abstraction has 198 states and 238 transitions. [2024-11-27 23:36:54,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 23:36:54,948 INFO L425 stractBuchiCegarLoop]: Abstraction has 198 states and 238 transitions. [2024-11-27 23:36:54,948 INFO L332 stractBuchiCegarLoop]: ======== Iteration 41 ============ [2024-11-27 23:36:54,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states and 238 transitions. [2024-11-27 23:36:54,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 23:36:54,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:36:54,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:36:54,950 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [19, 19, 19, 19, 19, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:54,950 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 23:36:54,951 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "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;" "assume !(main_~length~0#1 < 1);" "call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < main_~length~0#1;" "havoc main_#t~nondet4#1;main_~val~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !(main_~val~0#1 < 0);" "call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < main_~length~0#1);" "main_~j~0#1 := 0;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "assume !(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume main_~j~0#1 < main_~length~0#1;" [2024-11-27 23:36:54,951 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);" "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;" [2024-11-27 23:36:54,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:54,951 INFO L85 PathProgramCache]: Analyzing trace with hash 2020931305, now seen corresponding path program 37 times [2024-11-27 23:36:54,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:36:54,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052430861] [2024-11-27 23:36:54,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:54,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:36:55,017 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:36:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:36:55,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:36:55,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:55,080 INFO L85 PathProgramCache]: Analyzing trace with hash 76562, now seen corresponding path program 37 times [2024-11-27 23:36:55,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:36:55,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313271544] [2024-11-27 23:36:55,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:55,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:36:55,085 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:36:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:36:55,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:36:55,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:55,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1287001302, now seen corresponding path program 18 times [2024-11-27 23:36:55,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:36:55,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687460534] [2024-11-27 23:36:55,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:55,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:36:55,155 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:36:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:36:55,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace