./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15fe42cb945ebd9019cc38134c29264613097f232589ff55d01d33d66b19d85f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:47:48,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:47:48,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 13:47:48,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:47:48,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:47:48,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:47:48,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:47:48,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:47:48,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:47:48,313 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:47:48,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:47:48,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:47:48,315 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:47:48,315 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 13:47:48,315 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 13:47:48,315 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 13:47:48,316 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 13:47:48,316 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 13:47:48,317 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 13:47:48,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:47:48,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 13:47:48,317 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:47:48,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:47:48,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:47:48,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:47:48,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 13:47:48,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 13:47:48,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 13:47:48,318 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:47:48,318 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:47:48,318 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:47:48,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:47:48,319 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 13:47:48,319 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:47:48,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:47:48,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:47:48,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:47:48,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:47:48,320 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 13:47:48,320 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_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15fe42cb945ebd9019cc38134c29264613097f232589ff55d01d33d66b19d85f [2024-11-13 13:47:48,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:47:48,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:47:48,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:47:48,717 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:47:48,718 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:47:48,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i Unable to find full path for "g++" [2024-11-13 13:47:50,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:47:51,235 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:47:51,235 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i [2024-11-13 13:47:51,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/data/9f1b5d459/d706c2bfc17243dc93a4ca27826499d7/FLAG209f4cdc8 [2024-11-13 13:47:51,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/data/9f1b5d459/d706c2bfc17243dc93a4ca27826499d7 [2024-11-13 13:47:51,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:47:51,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:47:51,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:47:51,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:47:51,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:47:51,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:47:51" (1/1) ... [2024-11-13 13:47:51,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b6191ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:51, skipping insertion in model container [2024-11-13 13:47:51,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:47:51" (1/1) ... [2024-11-13 13:47:51,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:47:51,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:47:51,833 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:47:51,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:47:51,923 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:47:51,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:51 WrapperNode [2024-11-13 13:47:51,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:47:51,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:47:51,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:47:51,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:47:51,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:51" (1/1) ... [2024-11-13 13:47:51,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:51" (1/1) ... [2024-11-13 13:47:51,966 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2024-11-13 13:47:51,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:47:51,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:47:51,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:47:51,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:47:51,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:51" (1/1) ... [2024-11-13 13:47:51,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:51" (1/1) ... [2024-11-13 13:47:51,979 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:51" (1/1) ... [2024-11-13 13:47:51,993 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [5, 4]. 56 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [2, 2]. [2024-11-13 13:47:51,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:51" (1/1) ... [2024-11-13 13:47:51,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:51" (1/1) ... [2024-11-13 13:47:52,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:51" (1/1) ... [2024-11-13 13:47:52,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:51" (1/1) ... [2024-11-13 13:47:52,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:51" (1/1) ... [2024-11-13 13:47:52,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:51" (1/1) ... [2024-11-13 13:47:52,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:47:52,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:47:52,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:47:52,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:47:52,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:51" (1/1) ... [2024-11-13 13:47:52,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:52,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:52,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:52,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 13:47:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 13:47:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 13:47:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 13:47:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 13:47:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 13:47:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:47:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:47:52,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:47:52,253 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:47:52,255 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:47:52,550 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-13 13:47:52,551 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:47:52,563 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:47:52,564 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 13:47:52,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:47:52 BoogieIcfgContainer [2024-11-13 13:47:52,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:47:52,566 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 13:47:52,566 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 13:47:52,571 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 13:47:52,572 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 13:47:52,572 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 01:47:51" (1/3) ... [2024-11-13 13:47:52,573 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@659b13e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 01:47:52, skipping insertion in model container [2024-11-13 13:47:52,574 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 13:47:52,574 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:51" (2/3) ... [2024-11-13 13:47:52,575 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@659b13e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 01:47:52, skipping insertion in model container [2024-11-13 13:47:52,575 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 13:47:52,575 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:47:52" (3/3) ... [2024-11-13 13:47:52,577 INFO L333 chiAutomizerObserver]: Analyzing ICFG cstrcspn-alloca-1.i [2024-11-13 13:47:52,646 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 13:47:52,646 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 13:47:52,646 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 13:47:52,646 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 13:47:52,646 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 13:47:52,647 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 13:47:52,647 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 13:47:52,647 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 13:47:52,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 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) [2024-11-13 13:47:52,673 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2024-11-13 13:47:52,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:47:52,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:47:52,681 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 13:47:52,682 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 13:47:52,682 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 13:47:52,682 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 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) [2024-11-13 13:47:52,684 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2024-11-13 13:47:52,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:47:52,684 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:47:52,684 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 13:47:52,684 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 13:47:52,693 INFO L745 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 8#L532true assume !(main_~length1~0#1 < 1); 5#L532-2true assume !(main_~length2~0#1 < 1); 2#L535-1true call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 21#L541-2true [2024-11-13 13:47:52,693 INFO L747 eck$LassoCheckResult]: Loop: 21#L541-2true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int#1(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 21#L541-2true [2024-11-13 13:47:52,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:52,699 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2024-11-13 13:47:52,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:52,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426078441] [2024-11-13 13:47:52,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:52,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:52,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:47:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:52,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:47:52,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:52,909 INFO L85 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2024-11-13 13:47:52,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:52,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983270532] [2024-11-13 13:47:52,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:52,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:52,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:47:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:52,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:47:52,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:52,955 INFO L85 PathProgramCache]: Analyzing trace with hash 889572241, now seen corresponding path program 1 times [2024-11-13 13:47:52,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:52,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136909096] [2024-11-13 13:47:52,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:52,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:53,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:47:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:53,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:47:53,796 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:47:53,797 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:47:53,797 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:47:53,797 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:47:53,797 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 13:47:53,797 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:53,798 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:47:53,798 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:47:53,798 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-1.i_Iteration1_Lasso [2024-11-13 13:47:53,798 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:47:53,799 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:47:53,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:53,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:53,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:53,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:53,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:53,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:53,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:53,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:53,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:53,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:54,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:54,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:54,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:54,306 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:54,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:54,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:54,925 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:47:54,929 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 13:47:54,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:54,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:54,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:54,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 13:47:54,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:54,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:54,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:47:54,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:54,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:54,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:54,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:47:54,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:47:54,973 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:54,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 13:47:54,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:54,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:54,997 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 13:47:55,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:55,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:55,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:47:55,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:55,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:55,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:55,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:47:55,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:47:55,021 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:55,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-13 13:47:55,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:55,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:55,041 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 13:47:55,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:55,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:55,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:55,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:55,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:55,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:47:55,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:47:55,073 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:55,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:55,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:55,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:55,103 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 13:47:55,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:55,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:55,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:47:55,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:55,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:55,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:55,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:47:55,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:47:55,127 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:55,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:55,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:55,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:55,153 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 13:47:55,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:55,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:55,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:47:55,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:55,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:55,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:55,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:47:55,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:47:55,177 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:55,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-13 13:47:55,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:55,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:55,207 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 13:47:55,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:55,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:55,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:47:55,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:55,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:55,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:55,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:47:55,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:47:55,231 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:55,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:55,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:55,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:55,256 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 13:47:55,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:55,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:55,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:47:55,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:55,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:55,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:55,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:47:55,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:47:55,284 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:55,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-13 13:47:55,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:55,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:55,308 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 13:47:55,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:55,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:55,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:47:55,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:55,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:55,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:55,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:47:55,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:47:55,328 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:55,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-13 13:47:55,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:55,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:55,345 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 13:47:55,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:55,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:55,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:55,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:55,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:55,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:47:55,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:47:55,376 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:55,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-13 13:47:55,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:55,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:55,401 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 13:47:55,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:55,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:55,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:55,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:55,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:55,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:47:55,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:47:55,437 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:55,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:55,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:55,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:55,462 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 13:47:55,465 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 [2024-11-13 13:47:55,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:55,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:47:55,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:55,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:55,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:55,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:47:55,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:47:55,485 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:55,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-13 13:47:55,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:55,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:55,510 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-13 13:47:55,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:55,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:55,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:55,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:55,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:55,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:47:55,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:47:55,551 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:55,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-13 13:47:55,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:55,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:55,577 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-13 13:47:55,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:55,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:55,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:55,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:55,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:55,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:47:55,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:47:55,606 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:55,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:55,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:55,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:55,632 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-13 13:47:55,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:55,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:55,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:55,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:55,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:55,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:47:55,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:47:55,665 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:55,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:55,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:55,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:55,691 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-13 13:47:55,695 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 [2024-11-13 13:47:55,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:55,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:55,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:55,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:55,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:47:55,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:47:55,735 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:55,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:55,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:55,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:55,761 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-13 13:47:55,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:55,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:55,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:55,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:55,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:55,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:47:55,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:47:55,820 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 13:47:55,875 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2024-11-13 13:47:55,879 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-11-13 13:47:55,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:55,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:55,889 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-13 13:47:55,891 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 13:47:55,912 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-13 13:47:55,912 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 13:47:55,912 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~nondetString1~0#1.offset >= 0] [2024-11-13 13:47:55,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-13 13:47:55,967 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2024-11-13 13:47:55,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 13:47:55,980 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 13:47:56,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:56,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:47:56,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:56,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:47:56,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:47:56,146 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-13 13:47:56,148 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:47:56,211 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 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). Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 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 37 states and 57 transitions. Complement of second has 4 states. [2024-11-13 13:47:56,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 13:47:56,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:47:56,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2024-11-13 13:47:56,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 5 letters. Loop has 1 letters. [2024-11-13 13:47:56,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:47:56,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 6 letters. Loop has 1 letters. [2024-11-13 13:47:56,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:47:56,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-13 13:47:56,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:47:56,229 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 57 transitions. [2024-11-13 13:47:56,231 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-13 13:47:56,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 17 states and 26 transitions. [2024-11-13 13:47:56,235 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-13 13:47:56,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-13 13:47:56,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 26 transitions. [2024-11-13 13:47:56,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:47:56,237 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 26 transitions. [2024-11-13 13:47:56,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 26 transitions. [2024-11-13 13:47:56,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-13 13:47:56,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 16 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:47:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 26 transitions. [2024-11-13 13:47:56,268 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 26 transitions. [2024-11-13 13:47:56,268 INFO L424 stractBuchiCegarLoop]: Abstraction has 17 states and 26 transitions. [2024-11-13 13:47:56,268 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 13:47:56,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 26 transitions. [2024-11-13 13:47:56,269 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-13 13:47:56,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:47:56,271 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:47:56,271 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:47:56,272 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 13:47:56,272 INFO L745 eck$LassoCheckResult]: Stem: 142#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 136#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 137#L532 assume !(main_~length1~0#1 < 1); 133#L532-2 assume !(main_~length2~0#1 < 1); 129#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 130#L541-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 143#L541-3 havoc main_~i~0#1;main_~i~1#1 := 0; 131#L547-2 [2024-11-13 13:47:56,273 INFO L747 eck$LassoCheckResult]: Loop: 131#L547-2 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 131#L547-2 [2024-11-13 13:47:56,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:56,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935660, now seen corresponding path program 1 times [2024-11-13 13:47:56,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:56,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252444561] [2024-11-13 13:47:56,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:56,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:56,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:47:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:56,335 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:47:56,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:56,338 INFO L85 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 1 times [2024-11-13 13:47:56,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:56,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739814009] [2024-11-13 13:47:56,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:56,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:56,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:47:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:56,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:47:56,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:56,361 INFO L85 PathProgramCache]: Analyzing trace with hash 180430647, now seen corresponding path program 1 times [2024-11-13 13:47:56,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:56,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227358039] [2024-11-13 13:47:56,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:56,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:56,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:47:56,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-13 13:47:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:56,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:47:56,904 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:47:56,904 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:47:56,905 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:47:56,905 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:47:56,905 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 13:47:56,905 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:56,905 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:47:56,905 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:47:56,905 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-1.i_Iteration2_Lasso [2024-11-13 13:47:56,905 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:47:56,905 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:47:56,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:56,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:56,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:56,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:56,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:57,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:57,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:57,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:57,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:57,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:57,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:57,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:57,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:57,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:57,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:57,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:57,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:47:57,635 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:47:57,635 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 13:47:57,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:57,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:57,638 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:57,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-13 13:47:57,646 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 [2024-11-13 13:47:57,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:57,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:47:57,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:57,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:57,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:57,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:47:57,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:47:57,667 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:57,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:57,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:57,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:57,692 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:57,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-13 13:47:57,695 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 [2024-11-13 13:47:57,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:57,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:47:57,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:57,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:57,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:57,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:47:57,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:47:57,715 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:57,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-13 13:47:57,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:57,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:57,740 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:57,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-13 13:47:57,743 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 [2024-11-13 13:47:57,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:57,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:47:57,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:57,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:57,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:57,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:47:57,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:47:57,761 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:57,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:57,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:57,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:57,786 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:57,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-13 13:47:57,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:57,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:57,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:47:57,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:57,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:57,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:57,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:47:57,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:47:57,804 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:57,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-13 13:47:57,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:57,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:57,822 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:57,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-13 13:47:57,824 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 [2024-11-13 13:47:57,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:57,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:57,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:57,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:57,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:47:57,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:47:57,854 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:57,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-13 13:47:57,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:57,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:57,880 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:57,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-13 13:47:57,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:57,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:57,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:57,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:57,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:57,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:47:57,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:47:57,912 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:47:57,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-13 13:47:57,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:57,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:57,937 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:57,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-13 13:47:57,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:47:57,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:47:57,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:47:57,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:47:57,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:47:57,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:47:57,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:47:57,985 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 13:47:58,025 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-13 13:47:58,026 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-13 13:47:58,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:47:58,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:58,028 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:58,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-13 13:47:58,034 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 13:47:58,055 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-13 13:47:58,055 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 13:47:58,056 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1) = -2*ULTIMATE.start_main_~i~1#1 + 8589934589 Supporting invariants [1*ULTIMATE.start_main_~nondetString2~0#1.offset - 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 + 4294967295 >= 0] [2024-11-13 13:47:58,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:58,111 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2024-11-13 13:47:58,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:58,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 13:47:58,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:58,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 13:47:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:58,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:47:58,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:58,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:47:58,300 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-13 13:47:58,301 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 26 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:47:58,357 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 26 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 40 transitions. Complement of second has 5 states. [2024-11-13 13:47:58,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 13:47:58,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:47:58,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2024-11-13 13:47:58,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 1 letters. [2024-11-13 13:47:58,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:47:58,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 8 letters. Loop has 1 letters. [2024-11-13 13:47:58,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:47:58,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-13 13:47:58,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:47:58,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 40 transitions. [2024-11-13 13:47:58,365 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-13 13:47:58,365 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 18 states and 27 transitions. [2024-11-13 13:47:58,365 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-13 13:47:58,365 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-13 13:47:58,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 27 transitions. [2024-11-13 13:47:58,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:47:58,366 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 27 transitions. [2024-11-13 13:47:58,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 27 transitions. [2024-11-13 13:47:58,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-13 13:47:58,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.5) internal successors, (27), 17 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) [2024-11-13 13:47:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 27 transitions. [2024-11-13 13:47:58,368 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 27 transitions. [2024-11-13 13:47:58,368 INFO L424 stractBuchiCegarLoop]: Abstraction has 18 states and 27 transitions. [2024-11-13 13:47:58,368 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 13:47:58,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 27 transitions. [2024-11-13 13:47:58,373 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-13 13:47:58,373 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:47:58,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:47:58,374 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:47:58,374 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-13 13:47:58,374 INFO L745 eck$LassoCheckResult]: Stem: 263#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 257#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 258#L532 assume !(main_~length1~0#1 < 1); 254#L532-2 assume !(main_~length2~0#1 < 1); 249#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 250#L541-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 264#L541-3 havoc main_~i~0#1;main_~i~1#1 := 0; 251#L547-2 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 252#L547-3 havoc main_~i~1#1;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem2#1, cstrcspn_#t~mem3#1, cstrcspn_#t~mem4#1, cstrcspn_#t~mem5#1, cstrcspn_#t~short6#1, cstrcspn_#t~post7#1.base, cstrcspn_#t~post7#1.offset, cstrcspn_#t~mem8#1, cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 259#L519-3 [2024-11-13 13:47:58,374 INFO L747 eck$LassoCheckResult]: Loop: 259#L519-3 call cstrcspn_#t~mem2#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 260#L519-1 assume !!(0 != cstrcspn_#t~mem2#1);havoc cstrcspn_#t~mem2#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~mem3#1; 262#L522-5 assume !true; 255#L522-6 call cstrcspn_#t~mem8#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 256#L524 assume !(cstrcspn_#t~mem8#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem8#1;cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post9#1.base, 1 + cstrcspn_#t~post9#1.offset;havoc cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset; 259#L519-3 [2024-11-13 13:47:58,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:58,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1298382738, now seen corresponding path program 1 times [2024-11-13 13:47:58,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:58,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681215093] [2024-11-13 13:47:58,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:58,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:58,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:47:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:58,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:47:58,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:58,460 INFO L85 PathProgramCache]: Analyzing trace with hash 69835136, now seen corresponding path program 1 times [2024-11-13 13:47:58,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:58,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289585627] [2024-11-13 13:47:58,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:58,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:58,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:47:58,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:58,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289585627] [2024-11-13 13:47:58,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289585627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:47:58,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:47:58,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:47:58,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222573243] [2024-11-13 13:47:58,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:47:58,521 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 13:47:58,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:58,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:47:58,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:47:58,524 INFO L87 Difference]: Start difference. First operand 18 states and 27 transitions. cyclomatic complexity: 12 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:47:58,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:58,529 INFO L93 Difference]: Finished difference Result 18 states and 26 transitions. [2024-11-13 13:47:58,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 26 transitions. [2024-11-13 13:47:58,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-13 13:47:58,531 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 26 transitions. [2024-11-13 13:47:58,531 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-11-13 13:47:58,531 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-13 13:47:58,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2024-11-13 13:47:58,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:47:58,532 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2024-11-13 13:47:58,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2024-11-13 13:47:58,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-13 13:47:58,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:47:58,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 26 transitions. [2024-11-13 13:47:58,534 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2024-11-13 13:47:58,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:47:58,535 INFO L424 stractBuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2024-11-13 13:47:58,535 INFO L331 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-13 13:47:58,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 26 transitions. [2024-11-13 13:47:58,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-13 13:47:58,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:47:58,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:47:58,536 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:47:58,536 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:47:58,537 INFO L745 eck$LassoCheckResult]: Stem: 304#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 298#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 299#L532 assume !(main_~length1~0#1 < 1); 295#L532-2 assume !(main_~length2~0#1 < 1); 290#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 291#L541-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 305#L541-3 havoc main_~i~0#1;main_~i~1#1 := 0; 292#L547-2 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 293#L547-3 havoc main_~i~1#1;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem2#1, cstrcspn_#t~mem3#1, cstrcspn_#t~mem4#1, cstrcspn_#t~mem5#1, cstrcspn_#t~short6#1, cstrcspn_#t~post7#1.base, cstrcspn_#t~post7#1.offset, cstrcspn_#t~mem8#1, cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 300#L519-3 [2024-11-13 13:47:58,537 INFO L747 eck$LassoCheckResult]: Loop: 300#L519-3 call cstrcspn_#t~mem2#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 301#L519-1 assume !!(0 != cstrcspn_#t~mem2#1);havoc cstrcspn_#t~mem2#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~mem3#1; 303#L522-5 call cstrcspn_#t~mem4#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := 0 != cstrcspn_#t~mem4#1; 306#L522-1 assume cstrcspn_#t~short6#1;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := cstrcspn_#t~mem5#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 302#L522-3 assume !cstrcspn_#t~short6#1;havoc cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~short6#1; 296#L522-6 call cstrcspn_#t~mem8#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 297#L524 assume !(cstrcspn_#t~mem8#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem8#1;cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post9#1.base, 1 + cstrcspn_#t~post9#1.offset;havoc cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset; 300#L519-3 [2024-11-13 13:47:58,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:58,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1298382738, now seen corresponding path program 2 times [2024-11-13 13:47:58,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:58,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323569892] [2024-11-13 13:47:58,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:58,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:58,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:47:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:58,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:47:58,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:58,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1620282727, now seen corresponding path program 1 times [2024-11-13 13:47:58,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:58,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81003620] [2024-11-13 13:47:58,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:58,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:58,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:47:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:58,627 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:47:58,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:58,627 INFO L85 PathProgramCache]: Analyzing trace with hash -475120152, now seen corresponding path program 1 times [2024-11-13 13:47:58,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:58,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993503343] [2024-11-13 13:47:58,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:58,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:58,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-13 13:47:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:47:59,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:59,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993503343] [2024-11-13 13:47:59,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993503343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:47:59,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:47:59,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:47:59,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543553610] [2024-11-13 13:47:59,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:47:59,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:59,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:47:59,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:47:59,467 INFO L87 Difference]: Start difference. First operand 18 states and 26 transitions. cyclomatic complexity: 11 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:47:59,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:59,547 INFO L93 Difference]: Finished difference Result 24 states and 33 transitions. [2024-11-13 13:47:59,547 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 33 transitions. [2024-11-13 13:47:59,548 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-13 13:47:59,549 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 18 states and 25 transitions. [2024-11-13 13:47:59,550 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-11-13 13:47:59,550 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-13 13:47:59,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2024-11-13 13:47:59,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:47:59,550 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2024-11-13 13:47:59,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2024-11-13 13:47:59,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-13 13:47:59,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:47:59,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2024-11-13 13:47:59,552 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2024-11-13 13:47:59,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:47:59,554 INFO L424 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2024-11-13 13:47:59,554 INFO L331 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-13 13:47:59,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2024-11-13 13:47:59,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-13 13:47:59,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:47:59,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:47:59,555 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:47:59,555 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:47:59,555 INFO L745 eck$LassoCheckResult]: Stem: 360#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 354#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 355#L532 assume !(main_~length1~0#1 < 1); 351#L532-2 assume !(main_~length2~0#1 < 1); 346#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 347#L541-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int#1(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 363#L541-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 361#L541-3 havoc main_~i~0#1;main_~i~1#1 := 0; 348#L547-2 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 349#L547-3 havoc main_~i~1#1;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem2#1, cstrcspn_#t~mem3#1, cstrcspn_#t~mem4#1, cstrcspn_#t~mem5#1, cstrcspn_#t~short6#1, cstrcspn_#t~post7#1.base, cstrcspn_#t~post7#1.offset, cstrcspn_#t~mem8#1, cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 356#L519-3 [2024-11-13 13:47:59,555 INFO L747 eck$LassoCheckResult]: Loop: 356#L519-3 call cstrcspn_#t~mem2#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 357#L519-1 assume !!(0 != cstrcspn_#t~mem2#1);havoc cstrcspn_#t~mem2#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~mem3#1; 359#L522-5 call cstrcspn_#t~mem4#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := 0 != cstrcspn_#t~mem4#1; 362#L522-1 assume cstrcspn_#t~short6#1;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := cstrcspn_#t~mem5#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 358#L522-3 assume !cstrcspn_#t~short6#1;havoc cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~short6#1; 352#L522-6 call cstrcspn_#t~mem8#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 353#L524 assume !(cstrcspn_#t~mem8#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem8#1;cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post9#1.base, 1 + cstrcspn_#t~post9#1.offset;havoc cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset; 356#L519-3 [2024-11-13 13:47:59,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:59,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1596821597, now seen corresponding path program 1 times [2024-11-13 13:47:59,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:59,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860401711] [2024-11-13 13:47:59,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:59,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:59,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:47:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:59,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:47:59,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:59,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1620282727, now seen corresponding path program 2 times [2024-11-13 13:47:59,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:59,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004166606] [2024-11-13 13:47:59,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:59,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:59,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:47:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:59,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:47:59,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:59,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1103692477, now seen corresponding path program 1 times [2024-11-13 13:47:59,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:59,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564851457] [2024-11-13 13:47:59,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:59,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:00,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:48:00,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:00,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564851457] [2024-11-13 13:48:00,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564851457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:00,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:00,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:48:00,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876372039] [2024-11-13 13:48:00,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:00,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:00,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:48:00,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:48:00,406 INFO L87 Difference]: Start difference. First operand 18 states and 25 transitions. cyclomatic complexity: 10 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:48:00,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:00,512 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2024-11-13 13:48:00,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2024-11-13 13:48:00,512 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2024-11-13 13:48:00,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 34 transitions. [2024-11-13 13:48:00,513 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2024-11-13 13:48:00,513 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2024-11-13 13:48:00,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2024-11-13 13:48:00,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:48:00,513 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 34 transitions. [2024-11-13 13:48:00,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2024-11-13 13:48:00,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-13 13:48:00,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 26 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) [2024-11-13 13:48:00,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2024-11-13 13:48:00,518 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 34 transitions. [2024-11-13 13:48:00,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:48:00,519 INFO L424 stractBuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2024-11-13 13:48:00,519 INFO L331 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-13 13:48:00,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2024-11-13 13:48:00,519 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2024-11-13 13:48:00,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:48:00,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:48:00,520 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:00,520 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:00,520 INFO L745 eck$LassoCheckResult]: Stem: 423#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 418#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 419#L532 assume !(main_~length1~0#1 < 1); 415#L532-2 assume !(main_~length2~0#1 < 1); 409#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 410#L541-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int#1(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 429#L541-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 424#L541-3 havoc main_~i~0#1;main_~i~1#1 := 0; 411#L547-2 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 412#L547-3 havoc main_~i~1#1;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem2#1, cstrcspn_#t~mem3#1, cstrcspn_#t~mem4#1, cstrcspn_#t~mem5#1, cstrcspn_#t~short6#1, cstrcspn_#t~post7#1.base, cstrcspn_#t~post7#1.offset, cstrcspn_#t~mem8#1, cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 433#L519-3 [2024-11-13 13:48:00,520 INFO L747 eck$LassoCheckResult]: Loop: 433#L519-3 call cstrcspn_#t~mem2#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 432#L519-1 assume !!(0 != cstrcspn_#t~mem2#1);havoc cstrcspn_#t~mem2#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~mem3#1; 431#L522-5 call cstrcspn_#t~mem4#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := 0 != cstrcspn_#t~mem4#1; 425#L522-1 assume !cstrcspn_#t~short6#1; 426#L522-3 assume !cstrcspn_#t~short6#1;havoc cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~short6#1; 435#L522-6 call cstrcspn_#t~mem8#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 434#L524 assume !(cstrcspn_#t~mem8#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem8#1;cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post9#1.base, 1 + cstrcspn_#t~post9#1.offset;havoc cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset; 433#L519-3 [2024-11-13 13:48:00,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:00,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1596821597, now seen corresponding path program 2 times [2024-11-13 13:48:00,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:00,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971926916] [2024-11-13 13:48:00,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:00,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:00,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:00,556 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:48:00,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:00,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1620223145, now seen corresponding path program 1 times [2024-11-13 13:48:00,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:00,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785519742] [2024-11-13 13:48:00,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:00,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:00,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:00,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:48:00,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:00,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1103752059, now seen corresponding path program 1 times [2024-11-13 13:48:00,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:00,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160927775] [2024-11-13 13:48:00,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:00,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:00,592 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:00,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:48:01,384 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:48:01,384 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:48:01,384 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:48:01,384 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:48:01,384 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 13:48:01,385 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:01,385 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:48:01,385 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:48:01,385 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-1.i_Iteration6_Lasso [2024-11-13 13:48:01,385 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:48:01,385 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:48:01,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:01,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:02,220 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:48:02,220 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 13:48:02,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:02,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:02,226 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:02,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-13 13:48:02,229 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 [2024-11-13 13:48:02,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:02,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:02,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:02,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:02,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:02,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:02,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:02,245 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:02,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:02,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:02,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:02,267 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:02,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:02,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-13 13:48:02,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:02,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:02,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:02,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:02,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:48:02,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:48:02,296 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 13:48:02,318 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-13 13:48:02,318 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-13 13:48:02,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:02,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:02,320 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:02,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-13 13:48:02,321 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 13:48:02,333 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 13:48:02,333 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 13:48:02,333 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_3, ULTIMATE.start_cstrcspn_~sc1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_3 - 1*ULTIMATE.start_cstrcspn_~sc1~0#1.offset Supporting invariants [] [2024-11-13 13:48:02,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:02,385 INFO L156 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2024-11-13 13:48:02,388 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sc1~0!offset [2024-11-13 13:48:02,388 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 13:48:02,388 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 13:48:02,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:02,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 13:48:02,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:02,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 13:48:02,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:02,558 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-13 13:48:02,558 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:48:02,619 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 53 transitions. Complement of second has 5 states. [2024-11-13 13:48:02,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 13:48:02,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:48:02,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2024-11-13 13:48:02,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 10 letters. Loop has 7 letters. [2024-11-13 13:48:02,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:48:02,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 17 letters. Loop has 7 letters. [2024-11-13 13:48:02,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:48:02,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 10 letters. Loop has 14 letters. [2024-11-13 13:48:02,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:48:02,622 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 53 transitions. [2024-11-13 13:48:02,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 13:48:02,623 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 24 states and 32 transitions. [2024-11-13 13:48:02,623 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-13 13:48:02,623 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-13 13:48:02,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 32 transitions. [2024-11-13 13:48:02,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 13:48:02,623 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 32 transitions. [2024-11-13 13:48:02,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 32 transitions. [2024-11-13 13:48:02,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-13 13:48:02,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 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) [2024-11-13 13:48:02,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2024-11-13 13:48:02,629 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 32 transitions. [2024-11-13 13:48:02,630 INFO L424 stractBuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2024-11-13 13:48:02,630 INFO L331 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-13 13:48:02,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 32 transitions. [2024-11-13 13:48:02,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 13:48:02,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:48:02,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:48:02,633 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:02,633 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 13:48:02,634 INFO L745 eck$LassoCheckResult]: Stem: 621#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 612#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 613#L532 assume !(main_~length1~0#1 < 1); 609#L532-2 assume !(main_~length2~0#1 < 1); 604#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 605#L541-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int#1(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 627#L541-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 622#L541-3 havoc main_~i~0#1;main_~i~1#1 := 0; 606#L547-2 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 607#L547-2 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 608#L547-3 havoc main_~i~1#1;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem2#1, cstrcspn_#t~mem3#1, cstrcspn_#t~mem4#1, cstrcspn_#t~mem5#1, cstrcspn_#t~short6#1, cstrcspn_#t~post7#1.base, cstrcspn_#t~post7#1.offset, cstrcspn_#t~mem8#1, cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 614#L519-3 call cstrcspn_#t~mem2#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 616#L519-1 assume !!(0 != cstrcspn_#t~mem2#1);havoc cstrcspn_#t~mem2#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~mem3#1; 619#L522-5 [2024-11-13 13:48:02,634 INFO L747 eck$LassoCheckResult]: Loop: 619#L522-5 call cstrcspn_#t~mem4#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := 0 != cstrcspn_#t~mem4#1; 623#L522-1 assume cstrcspn_#t~short6#1;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := cstrcspn_#t~mem5#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 618#L522-3 assume !!cstrcspn_#t~short6#1;havoc cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~short6#1;cstrcspn_#t~post7#1.base, cstrcspn_#t~post7#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post7#1.base, 1 + cstrcspn_#t~post7#1.offset; 619#L522-5 [2024-11-13 13:48:02,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:02,634 INFO L85 PathProgramCache]: Analyzing trace with hash -143867113, now seen corresponding path program 1 times [2024-11-13 13:48:02,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:02,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403261079] [2024-11-13 13:48:02,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:02,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:02,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:02,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:48:02,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:02,673 INFO L85 PathProgramCache]: Analyzing trace with hash 81531, now seen corresponding path program 1 times [2024-11-13 13:48:02,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:02,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049023137] [2024-11-13 13:48:02,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:02,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:02,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:02,683 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:48:02,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:02,684 INFO L85 PathProgramCache]: Analyzing trace with hash 432249765, now seen corresponding path program 1 times [2024-11-13 13:48:02,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:02,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265082685] [2024-11-13 13:48:02,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:02,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:02,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:02,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:48:03,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-13 13:48:04,464 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:48:04,464 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:48:04,464 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:48:04,464 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:48:04,464 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 13:48:04,464 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:04,464 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:48:04,464 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:48:04,464 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-1.i_Iteration7_Lasso [2024-11-13 13:48:04,464 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:48:04,465 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:48:04,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,948 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,972 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:04,999 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:05,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:05,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:05,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:05,715 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:48:05,716 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 13:48:05,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:05,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:05,718 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:05,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-13 13:48:05,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:05,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:05,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:05,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:05,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:05,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:05,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:05,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:05,743 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:05,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-13 13:48:05,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:05,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:05,763 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:05,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-13 13:48:05,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:05,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:05,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:05,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:05,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:05,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:05,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:05,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:05,781 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:05,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-13 13:48:05,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:05,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:05,801 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:05,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-13 13:48:05,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:05,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:05,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:05,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:05,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:05,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:05,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:05,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:05,819 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:05,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-13 13:48:05,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:05,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:05,837 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:05,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-13 13:48:05,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:05,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:05,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:05,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:05,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:05,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:05,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:05,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:05,860 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:05,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:05,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:05,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:05,881 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:05,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-13 13:48:05,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:05,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:05,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:05,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:05,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:05,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:05,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:05,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:05,908 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:05,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:05,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:05,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:05,932 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:05,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-13 13:48:05,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:05,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:05,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:05,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:05,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:05,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:05,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:05,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:05,959 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:05,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-13 13:48:05,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:05,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:05,985 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:05,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-13 13:48:05,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:06,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:06,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:06,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:06,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:06,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:06,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:06,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:06,011 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:06,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:06,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:06,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:06,035 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:06,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-13 13:48:06,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:06,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:06,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:06,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:06,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:06,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:06,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:06,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:06,061 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:06,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-13 13:48:06,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:06,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:06,085 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:06,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-13 13:48:06,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:06,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:06,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:06,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:06,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:06,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:48:06,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:48:06,123 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:06,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-13 13:48:06,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:06,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:06,144 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:06,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-13 13:48:06,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:06,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:06,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:06,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:06,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:06,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:48:06,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:48:06,169 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:06,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-13 13:48:06,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:06,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:06,192 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:06,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-13 13:48:06,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:06,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:06,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:06,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:06,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:06,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:48:06,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:48:06,226 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:06,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-13 13:48:06,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:06,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:06,251 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:06,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-13 13:48:06,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:06,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:06,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:06,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:06,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:06,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:48:06,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:48:06,275 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:06,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:06,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:06,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:06,293 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:06,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-13 13:48:06,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:06,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:06,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:06,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:06,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:06,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:48:06,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:48:06,315 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:06,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-13 13:48:06,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:06,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:06,331 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:06,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-13 13:48:06,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:06,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:06,349 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-13 13:48:06,349 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2024-11-13 13:48:06,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:06,421 INFO L401 nArgumentSynthesizer]: We have 108 Motzkin's Theorem applications. [2024-11-13 13:48:06,422 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2024-11-13 13:48:06,605 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:06,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-13 13:48:06,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:06,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:06,622 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:06,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-13 13:48:06,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:06,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:06,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:06,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:06,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:06,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:48:06,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:48:06,661 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 13:48:06,691 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-11-13 13:48:06,691 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-13 13:48:06,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:06,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:06,693 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:06,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-13 13:48:06,694 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 13:48:06,709 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 13:48:06,709 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 13:48:06,709 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_4, ULTIMATE.start_cstrcspn_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_4 - 1*ULTIMATE.start_cstrcspn_~s~0#1.offset Supporting invariants [] [2024-11-13 13:48:06,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:06,758 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2024-11-13 13:48:06,761 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-13 13:48:06,761 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 13:48:06,761 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 13:48:06,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:06,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 13:48:06,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:06,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:48:06,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:06,960 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2024-11-13 13:48:06,960 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:48:07,040 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 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 41 states and 53 transitions. Complement of second has 7 states. [2024-11-13 13:48:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 13:48:07,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:48:07,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2024-11-13 13:48:07,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 13 letters. Loop has 3 letters. [2024-11-13 13:48:07,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:48:07,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 16 letters. Loop has 3 letters. [2024-11-13 13:48:07,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:48:07,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 13 letters. Loop has 6 letters. [2024-11-13 13:48:07,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:48:07,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2024-11-13 13:48:07,046 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 13:48:07,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 32 states and 41 transitions. [2024-11-13 13:48:07,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-13 13:48:07,049 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-13 13:48:07,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 41 transitions. [2024-11-13 13:48:07,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 13:48:07,050 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 41 transitions. [2024-11-13 13:48:07,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 41 transitions. [2024-11-13 13:48:07,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2024-11-13 13:48:07,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 28 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:48:07,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2024-11-13 13:48:07,057 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-11-13 13:48:07,058 INFO L424 stractBuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-11-13 13:48:07,058 INFO L331 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-13 13:48:07,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2024-11-13 13:48:07,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 13:48:07,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:48:07,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:48:07,059 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:07,059 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 13:48:07,059 INFO L745 eck$LassoCheckResult]: Stem: 807#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 796#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 797#L532 assume !(main_~length1~0#1 < 1); 793#L532-2 assume !(main_~length2~0#1 < 1); 788#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 789#L541-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int#1(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 813#L541-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 808#L541-3 havoc main_~i~0#1;main_~i~1#1 := 0; 790#L547-2 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 791#L547-2 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 792#L547-3 havoc main_~i~1#1;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem2#1, cstrcspn_#t~mem3#1, cstrcspn_#t~mem4#1, cstrcspn_#t~mem5#1, cstrcspn_#t~short6#1, cstrcspn_#t~post7#1.base, cstrcspn_#t~post7#1.offset, cstrcspn_#t~mem8#1, cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 802#L519-3 call cstrcspn_#t~mem2#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 803#L519-1 assume !!(0 != cstrcspn_#t~mem2#1);havoc cstrcspn_#t~mem2#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~mem3#1; 801#L522-5 call cstrcspn_#t~mem4#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := 0 != cstrcspn_#t~mem4#1; 810#L522-1 assume !cstrcspn_#t~short6#1; 811#L522-3 assume !cstrcspn_#t~short6#1;havoc cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~short6#1; 794#L522-6 call cstrcspn_#t~mem8#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 795#L524 assume !(cstrcspn_#t~mem8#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem8#1;cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post9#1.base, 1 + cstrcspn_#t~post9#1.offset;havoc cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset; 804#L519-3 call cstrcspn_#t~mem2#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 806#L519-1 assume !!(0 != cstrcspn_#t~mem2#1);havoc cstrcspn_#t~mem2#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~mem3#1; 799#L522-5 [2024-11-13 13:48:07,059 INFO L747 eck$LassoCheckResult]: Loop: 799#L522-5 call cstrcspn_#t~mem4#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := 0 != cstrcspn_#t~mem4#1; 809#L522-1 assume cstrcspn_#t~short6#1;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := cstrcspn_#t~mem5#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 798#L522-3 assume !!cstrcspn_#t~short6#1;havoc cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~short6#1;cstrcspn_#t~post7#1.base, cstrcspn_#t~post7#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post7#1.base, 1 + cstrcspn_#t~post7#1.offset; 799#L522-5 [2024-11-13 13:48:07,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:07,060 INFO L85 PathProgramCache]: Analyzing trace with hash 352340971, now seen corresponding path program 1 times [2024-11-13 13:48:07,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:07,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307551515] [2024-11-13 13:48:07,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:07,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:07,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-13 13:48:07,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:48:07,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:07,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307551515] [2024-11-13 13:48:07,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307551515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:48:07,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767830930] [2024-11-13 13:48:07,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:07,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:07,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:07,696 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:07,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-13 13:48:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:07,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 13:48:07,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:07,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-13 13:48:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:48:07,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:48:07,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2024-11-13 13:48:07,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-11-13 13:48:07,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:48:07,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767830930] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:48:07,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:48:07,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-11-13 13:48:07,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022591806] [2024-11-13 13:48:07,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:48:07,998 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 13:48:07,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:07,999 INFO L85 PathProgramCache]: Analyzing trace with hash 81531, now seen corresponding path program 2 times [2024-11-13 13:48:07,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:07,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154886067] [2024-11-13 13:48:07,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:07,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:08,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:08,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:48:08,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:08,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:48:08,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:48:08,201 INFO L87 Difference]: Start difference. First operand 29 states and 38 transitions. cyclomatic complexity: 14 Second operand has 13 states, 12 states have (on average 3.0) internal successors, (36), 13 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:48:08,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:08,340 INFO L93 Difference]: Finished difference Result 46 states and 58 transitions. [2024-11-13 13:48:08,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 58 transitions. [2024-11-13 13:48:08,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 13:48:08,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 30 states and 39 transitions. [2024-11-13 13:48:08,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-13 13:48:08,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-13 13:48:08,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 39 transitions. [2024-11-13 13:48:08,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 13:48:08,343 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 39 transitions. [2024-11-13 13:48:08,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 39 transitions. [2024-11-13 13:48:08,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-13 13:48:08,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3) internal successors, (39), 29 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:48:08,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2024-11-13 13:48:08,346 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 39 transitions. [2024-11-13 13:48:08,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:48:08,347 INFO L424 stractBuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2024-11-13 13:48:08,347 INFO L331 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-13 13:48:08,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 39 transitions. [2024-11-13 13:48:08,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 13:48:08,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:48:08,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:48:08,348 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:08,348 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 13:48:08,349 INFO L745 eck$LassoCheckResult]: Stem: 1018#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1007#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 1008#L532 assume !(main_~length1~0#1 < 1); 1004#L532-2 assume !(main_~length2~0#1 < 1); 999#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 1000#L541-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int#1(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 1025#L541-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int#1(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 1026#L541-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 1019#L541-3 havoc main_~i~0#1;main_~i~1#1 := 0; 1001#L547-2 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 1002#L547-2 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 1003#L547-3 havoc main_~i~1#1;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem2#1, cstrcspn_#t~mem3#1, cstrcspn_#t~mem4#1, cstrcspn_#t~mem5#1, cstrcspn_#t~short6#1, cstrcspn_#t~post7#1.base, cstrcspn_#t~post7#1.offset, cstrcspn_#t~mem8#1, cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 1009#L519-3 call cstrcspn_#t~mem2#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 1010#L519-1 assume !!(0 != cstrcspn_#t~mem2#1);havoc cstrcspn_#t~mem2#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~mem3#1; 1017#L522-5 call cstrcspn_#t~mem4#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := 0 != cstrcspn_#t~mem4#1; 1021#L522-1 assume !cstrcspn_#t~short6#1; 1022#L522-3 assume !cstrcspn_#t~short6#1;havoc cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~short6#1; 1005#L522-6 call cstrcspn_#t~mem8#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 1006#L524 assume !(cstrcspn_#t~mem8#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem8#1;cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post9#1.base, 1 + cstrcspn_#t~post9#1.offset;havoc cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset; 1011#L519-3 call cstrcspn_#t~mem2#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 1013#L519-1 assume !!(0 != cstrcspn_#t~mem2#1);havoc cstrcspn_#t~mem2#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~mem3#1; 1015#L522-5 [2024-11-13 13:48:08,349 INFO L747 eck$LassoCheckResult]: Loop: 1015#L522-5 call cstrcspn_#t~mem4#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := 0 != cstrcspn_#t~mem4#1; 1020#L522-1 assume cstrcspn_#t~short6#1;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := cstrcspn_#t~mem5#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 1014#L522-3 assume !!cstrcspn_#t~short6#1;havoc cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~short6#1;cstrcspn_#t~post7#1.base, cstrcspn_#t~post7#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post7#1.base, 1 + cstrcspn_#t~post7#1.offset; 1015#L522-5 [2024-11-13 13:48:08,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:08,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1412260288, now seen corresponding path program 2 times [2024-11-13 13:48:08,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:08,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157676154] [2024-11-13 13:48:08,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:08,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:08,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:08,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:48:08,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:08,396 INFO L85 PathProgramCache]: Analyzing trace with hash 81531, now seen corresponding path program 3 times [2024-11-13 13:48:08,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:08,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352513728] [2024-11-13 13:48:08,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:08,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:08,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:08,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:48:08,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:08,408 INFO L85 PathProgramCache]: Analyzing trace with hash 853443548, now seen corresponding path program 1 times [2024-11-13 13:48:08,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:08,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836127846] [2024-11-13 13:48:08,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:08,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:08,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:08,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836127846] [2024-11-13 13:48:08,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836127846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:48:08,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928063010] [2024-11-13 13:48:08,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:08,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:08,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:08,707 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:08,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-13 13:48:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:08,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 13:48:08,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:08,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 13:48:08,942 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:08,943 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:48:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:09,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928063010] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:48:09,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:48:09,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 11 [2024-11-13 13:48:09,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277297416] [2024-11-13 13:48:09,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:48:09,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:09,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:48:09,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:48:09,187 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. cyclomatic complexity: 14 Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:48:09,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:09,310 INFO L93 Difference]: Finished difference Result 53 states and 66 transitions. [2024-11-13 13:48:09,310 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 66 transitions. [2024-11-13 13:48:09,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 13:48:09,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 43 states and 54 transitions. [2024-11-13 13:48:09,313 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-13 13:48:09,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-13 13:48:09,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 54 transitions. [2024-11-13 13:48:09,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 13:48:09,313 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 54 transitions. [2024-11-13 13:48:09,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 54 transitions. [2024-11-13 13:48:09,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 34. [2024-11-13 13:48:09,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 33 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) [2024-11-13 13:48:09,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2024-11-13 13:48:09,320 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 44 transitions. [2024-11-13 13:48:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:48:09,323 INFO L424 stractBuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2024-11-13 13:48:09,323 INFO L331 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-13 13:48:09,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 44 transitions. [2024-11-13 13:48:09,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 13:48:09,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:48:09,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:48:09,325 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:09,325 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 13:48:09,327 INFO L745 eck$LassoCheckResult]: Stem: 1259#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1248#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 1249#L532 assume !(main_~length1~0#1 < 1); 1245#L532-2 assume !(main_~length2~0#1 < 1); 1240#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 1241#L541-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int#1(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 1267#L541-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet14#1;call write~int#1(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 1268#L541-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 1260#L541-3 havoc main_~i~0#1;main_~i~1#1 := 0; 1242#L547-2 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 1243#L547-2 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 1244#L547-3 havoc main_~i~1#1;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem2#1, cstrcspn_#t~mem3#1, cstrcspn_#t~mem4#1, cstrcspn_#t~mem5#1, cstrcspn_#t~short6#1, cstrcspn_#t~post7#1.base, cstrcspn_#t~post7#1.offset, cstrcspn_#t~mem8#1, cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 1254#L519-3 call cstrcspn_#t~mem2#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 1255#L519-1 assume !!(0 != cstrcspn_#t~mem2#1);havoc cstrcspn_#t~mem2#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~mem3#1; 1270#L522-5 call cstrcspn_#t~mem4#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := 0 != cstrcspn_#t~mem4#1; 1262#L522-1 assume cstrcspn_#t~short6#1;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := cstrcspn_#t~mem5#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 1263#L522-3 assume !cstrcspn_#t~short6#1;havoc cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~short6#1; 1246#L522-6 call cstrcspn_#t~mem8#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 1247#L524 assume !(cstrcspn_#t~mem8#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem8#1;cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post9#1.base, 1 + cstrcspn_#t~post9#1.offset;havoc cstrcspn_#t~post9#1.base, cstrcspn_#t~post9#1.offset; 1256#L519-3 call cstrcspn_#t~mem2#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 1258#L519-1 assume !!(0 != cstrcspn_#t~mem2#1);havoc cstrcspn_#t~mem2#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem3#1 := read~int#1(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem3#1;havoc cstrcspn_#t~mem3#1; 1251#L522-5 [2024-11-13 13:48:09,328 INFO L747 eck$LassoCheckResult]: Loop: 1251#L522-5 call cstrcspn_#t~mem4#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := 0 != cstrcspn_#t~mem4#1; 1261#L522-1 assume cstrcspn_#t~short6#1;call cstrcspn_#t~mem5#1 := read~int#0(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short6#1 := cstrcspn_#t~mem5#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 1250#L522-3 assume !!cstrcspn_#t~short6#1;havoc cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~short6#1;cstrcspn_#t~post7#1.base, cstrcspn_#t~post7#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post7#1.base, 1 + cstrcspn_#t~post7#1.offset; 1251#L522-5 [2024-11-13 13:48:09,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:09,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1469518590, now seen corresponding path program 1 times [2024-11-13 13:48:09,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:09,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450390774] [2024-11-13 13:48:09,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:09,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:09,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:09,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:48:09,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:09,416 INFO L85 PathProgramCache]: Analyzing trace with hash 81531, now seen corresponding path program 4 times [2024-11-13 13:48:09,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:09,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493864122] [2024-11-13 13:48:09,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:09,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:09,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:09,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:48:09,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:09,435 INFO L85 PathProgramCache]: Analyzing trace with hash 173385178, now seen corresponding path program 1 times [2024-11-13 13:48:09,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:09,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747787038] [2024-11-13 13:48:09,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:09,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:09,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:09,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:48:12,511 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:48:12,511 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:48:12,511 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:48:12,511 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:48:12,511 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 13:48:12,511 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:12,511 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:48:12,511 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:48:12,511 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-1.i_Iteration10_Lasso [2024-11-13 13:48:12,511 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:48:12,511 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:48:12,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,526 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,531 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:12,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:13,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:13,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:13,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:13,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:13,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:13,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:13,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:13,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:13,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:13,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:13,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:13,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:48:15,643 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:48:15,644 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 13:48:15,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:15,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:15,652 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:15,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:15,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-13 13:48:15,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:15,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:15,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:15,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:15,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:15,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:15,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:15,677 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:15,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-11-13 13:48:15,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:15,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:15,696 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:15,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-13 13:48:15,698 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 [2024-11-13 13:48:15,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:15,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:15,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:15,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:15,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:15,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:15,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:15,713 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:15,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-13 13:48:15,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:15,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:15,730 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:15,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-13 13:48:15,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:15,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:15,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:15,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:15,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:15,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:15,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:15,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:15,753 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:15,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-13 13:48:15,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:15,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:15,778 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:15,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-13 13:48:15,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:15,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:15,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:15,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:15,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:15,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:15,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:15,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:15,802 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:15,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-13 13:48:15,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:15,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:15,824 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:15,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-13 13:48:15,827 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 [2024-11-13 13:48:15,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:15,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:15,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:15,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:15,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:48:15,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:48:15,846 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:15,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:15,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:15,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:15,861 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:15,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-13 13:48:15,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:15,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:15,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:15,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:15,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:15,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:15,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:15,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:15,878 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:15,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-11-13 13:48:15,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:15,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:15,895 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:15,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-13 13:48:15,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:15,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:15,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:15,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:15,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:15,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:15,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:15,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:15,914 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:15,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-11-13 13:48:15,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:15,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:15,929 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:15,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-13 13:48:15,931 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 [2024-11-13 13:48:15,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:15,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:15,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:15,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:15,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:15,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:15,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:15,946 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:15,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:15,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:15,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:15,963 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:15,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-13 13:48:15,964 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 [2024-11-13 13:48:15,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:15,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:15,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:15,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:15,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:15,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:15,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:15,979 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:15,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-13 13:48:15,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:15,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:15,995 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:15,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-13 13:48:15,996 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 [2024-11-13 13:48:16,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:16,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:16,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:16,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:16,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:16,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:16,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:16,011 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:16,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-11-13 13:48:16,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:16,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:16,032 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:16,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-13 13:48:16,034 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 [2024-11-13 13:48:16,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:16,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:16,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:16,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:16,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:16,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:16,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:16,047 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:16,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-11-13 13:48:16,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:16,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:16,062 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:16,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-13 13:48:16,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:16,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:16,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:16,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:16,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:16,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:16,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:16,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:16,077 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:16,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:16,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:16,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:16,093 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:16,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-13 13:48:16,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:16,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:16,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:16,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:16,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:16,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:16,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:16,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:16,109 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:16,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-11-13 13:48:16,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:16,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:16,130 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:16,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-13 13:48:16,132 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 [2024-11-13 13:48:16,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:16,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:16,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:16,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:16,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:16,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:16,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:16,147 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:16,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-13 13:48:16,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:16,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:16,162 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:16,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-13 13:48:16,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:16,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:16,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:16,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:16,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:16,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:16,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:16,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:16,179 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:16,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-11-13 13:48:16,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:16,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:16,196 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:16,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-11-13 13:48:16,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:16,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:16,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:16,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:16,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:16,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:16,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:16,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:16,212 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:16,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-11-13 13:48:16,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:16,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:16,229 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:16,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-13 13:48:16,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:16,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:16,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:16,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:16,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:16,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:16,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:16,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:16,246 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:16,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2024-11-13 13:48:16,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:16,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:16,262 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:16,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-13 13:48:16,263 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 [2024-11-13 13:48:16,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:16,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:16,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:16,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:16,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:16,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:16,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:16,278 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:16,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-11-13 13:48:16,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:16,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:16,294 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:16,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-11-13 13:48:16,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:16,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:16,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:16,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:16,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:16,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:16,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:16,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:16,310 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:16,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:16,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:16,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:16,325 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:16,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-11-13 13:48:16,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:16,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:16,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:48:16,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:16,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:16,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:16,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:48:16,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:48:16,342 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:16,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-11-13 13:48:16,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:16,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:16,357 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:16,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-11-13 13:48:16,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:16,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:16,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:16,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:16,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:16,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:48:16,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:48:16,378 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:16,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:16,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:16,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:16,394 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:16,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-11-13 13:48:16,396 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 [2024-11-13 13:48:16,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:16,410 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2024-11-13 13:48:16,410 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2024-11-13 13:48:16,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:16,651 INFO L401 nArgumentSynthesizer]: We have 180 Motzkin's Theorem applications. [2024-11-13 13:48:16,651 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2024-11-13 13:48:17,098 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:17,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-11-13 13:48:17,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:17,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:17,118 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:17,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-11-13 13:48:17,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:17,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:17,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:17,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:17,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:17,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:48:17,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:48:17,140 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:17,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2024-11-13 13:48:17,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:17,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:17,156 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:17,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-11-13 13:48:17,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:17,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:17,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:17,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:17,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:17,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:48:17,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:48:17,180 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:17,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-11-13 13:48:17,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:17,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:17,196 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:17,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-11-13 13:48:17,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:17,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:17,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:17,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:17,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:17,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:48:17,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:48:17,231 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:48:17,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2024-11-13 13:48:17,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:17,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:17,256 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:17,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-11-13 13:48:17,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:48:17,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:48:17,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:48:17,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:48:17,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:48:17,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 13:48:17,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 13:48:17,300 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 13:48:17,312 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-13 13:48:17,312 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-11-13 13:48:17,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:48:17,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:17,315 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:17,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-11-13 13:48:17,318 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 13:48:17,337 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 13:48:17,337 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 13:48:17,337 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~s~0#1.offset, v_rep(select #length ULTIMATE.start_cstrcspn_~s2#1.base)_2) = -1*ULTIMATE.start_cstrcspn_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_cstrcspn_~s2#1.base)_2 Supporting invariants [] [2024-11-13 13:48:17,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-11-13 13:48:17,451 INFO L156 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2024-11-13 13:48:17,454 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-13 13:48:17,454 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 13:48:17,455 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 13:48:17,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:17,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:48:17,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:17,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:48:17,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:17,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:17,616 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-13 13:48:17,616 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 44 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2024-11-13 13:48:17,669 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 44 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) Result 42 states and 55 transitions. Complement of second has 5 states. [2024-11-13 13:48:17,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 13:48:17,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2024-11-13 13:48:17,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2024-11-13 13:48:17,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 21 letters. Loop has 3 letters. [2024-11-13 13:48:17,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:48:17,672 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 13:48:17,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:17,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:48:17,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:17,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:48:17,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:17,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:17,841 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-13 13:48:17,842 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 44 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2024-11-13 13:48:17,895 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 44 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) Result 42 states and 55 transitions. Complement of second has 5 states. [2024-11-13 13:48:17,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 13:48:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2024-11-13 13:48:17,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2024-11-13 13:48:17,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 21 letters. Loop has 3 letters. [2024-11-13 13:48:17,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:48:17,898 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 13:48:17,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:18,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:48:18,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:18,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2024-11-13 13:48:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:18,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:48:18,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:18,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:18,082 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-13 13:48:18,082 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 44 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2024-11-13 13:48:18,129 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 44 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) Result 46 states and 63 transitions. Complement of second has 4 states. [2024-11-13 13:48:18,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 13:48:18,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2024-11-13 13:48:18,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 28 transitions. [2024-11-13 13:48:18,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 28 transitions. Stem has 21 letters. Loop has 3 letters. [2024-11-13 13:48:18,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:48:18,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 28 transitions. Stem has 24 letters. Loop has 3 letters. [2024-11-13 13:48:18,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:48:18,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 28 transitions. Stem has 21 letters. Loop has 6 letters. [2024-11-13 13:48:18,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:48:18,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 63 transitions. [2024-11-13 13:48:18,137 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 13:48:18,138 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2024-11-13 13:48:18,138 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 13:48:18,138 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 13:48:18,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 13:48:18,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:48:18,138 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:48:18,138 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:48:18,138 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:48:18,138 INFO L331 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-13 13:48:18,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 13:48:18,138 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 13:48:18,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 13:48:18,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 01:48:18 BoogieIcfgContainer [2024-11-13 13:48:18,149 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 13:48:18,150 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:48:18,150 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:48:18,151 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:48:18,151 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:47:52" (3/4) ... [2024-11-13 13:48:18,153 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:48:18,154 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:48:18,155 INFO L158 Benchmark]: Toolchain (without parser) took 26863.77ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 94.1MB in the beginning and 164.5MB in the end (delta: -70.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-13 13:48:18,155 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:18,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.80ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 76.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:48:18,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.76ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:18,156 INFO L158 Benchmark]: Boogie Preprocessor took 43.07ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:18,156 INFO L158 Benchmark]: RCFGBuilder took 554.39ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 59.9MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:48:18,157 INFO L158 Benchmark]: BuchiAutomizer took 25583.75ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 59.9MB in the beginning and 166.7MB in the end (delta: -106.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:18,157 INFO L158 Benchmark]: Witness Printer took 3.65ms. Allocated memory is still 218.1MB. Free memory was 166.7MB in the beginning and 164.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:18,160 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.80ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 76.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.76ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.07ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 554.39ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 59.9MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 25583.75ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 59.9MB in the beginning and 166.7MB in the end (delta: -106.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.65ms. Allocated memory is still 218.1MB. Free memory was 166.7MB in the beginning and 164.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sc1~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (5 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function (8589934589 + ((long long) -2 * i)) and consists of 4 locations. One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 3 locations. 5 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 25.5s and 11 iterations. TraceHistogramMax:2. Analysis of lassos took 23.1s. Construction of modules took 0.3s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 202 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 202 mSDsluCounter, 531 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 342 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 293 IncrementalHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 189 mSDtfsCounter, 293 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU1 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital202 mio100 ax110 hnf100 lsp92 ukn74 mio100 lsp36 div161 bol100 ite100 ukn100 eq160 hnf93 smp77 dnf572 smp71 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 706ms VariablesStem: 10 VariablesLoop: 10 DisjunctsStem: 8 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 180 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-13 13:48:18,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2024-11-13 13:48:18,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-11-13 13:48:18,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2312ef41-6962-4590-8f16-8c35afd50a41/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE