./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU --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 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:33,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:33,915 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 21:56:33,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:33,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:33,968 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:33,970 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:33,970 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:33,972 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:56:33,974 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:56:33,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:33,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:33,976 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:33,979 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 21:56:33,979 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 21:56:33,980 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 21:56:33,980 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 21:56:33,984 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 21:56:33,984 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 21:56:33,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:33,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 21:56:33,986 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:56:33,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:56:33,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:56:33,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:33,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 21:56:33,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 21:56:33,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 21:56:33,988 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:33,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:56:33,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:56:33,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:56:33,989 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 21:56:33,991 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:33,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:33,991 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:33,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:33,992 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:56:33,993 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 21:56:33,993 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d [2024-10-31 21:56:34,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:34,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:34,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:34,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:34,383 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:34,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i Unable to find full path for "g++" [2024-10-31 21:56:36,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:36,926 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:36,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2024-10-31 21:56:36,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/data/3bc601936/06a1f71609494fb99afe69af73cf8bcb/FLAG08e4dd0d6 [2024-10-31 21:56:36,982 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/data/3bc601936/06a1f71609494fb99afe69af73cf8bcb [2024-10-31 21:56:36,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:36,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:36,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:36,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:36,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:36,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:36" (1/1) ... [2024-10-31 21:56:37,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fba5eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37, skipping insertion in model container [2024-10-31 21:56:37,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:36" (1/1) ... [2024-10-31 21:56:37,063 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:37,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:37,507 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:56:37,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:37,649 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:56:37,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37 WrapperNode [2024-10-31 21:56:37,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:37,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:37,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:56:37,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:56:37,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:37,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:37,717 INFO L138 Inliner]: procedures = 119, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 162 [2024-10-31 21:56:37,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:37,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:56:37,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:56:37,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:56:37,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:37,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:37,751 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:37,774 INFO L175 MemorySlicer]: Split 12 memory accesses to 2 slices as follows [6, 6]. 50 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]. [2024-10-31 21:56:37,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:37,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:37,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:37,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:37,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:37,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:37,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:56:37,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:56:37,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:56:37,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:56:37,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:37,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:37,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:37,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:37,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 21:56:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:56:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:56:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:56:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:56:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:56:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:56:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:56:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:56:38,146 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:56:38,148 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:56:38,459 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-10-31 21:56:38,460 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:56:38,474 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:56:38,474 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-31 21:56:38,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:38 BoogieIcfgContainer [2024-10-31 21:56:38,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:56:38,476 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 21:56:38,476 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 21:56:38,481 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 21:56:38,482 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:56:38,482 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 09:56:36" (1/3) ... [2024-10-31 21:56:38,483 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c4c77d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:56:38, skipping insertion in model container [2024-10-31 21:56:38,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:56:38,483 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (2/3) ... [2024-10-31 21:56:38,484 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c4c77d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:56:38, skipping insertion in model container [2024-10-31 21:56:38,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:56:38,484 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:38" (3/3) ... [2024-10-31 21:56:38,486 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrstr-alloca-2.i [2024-10-31 21:56:38,551 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 21:56:38,551 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 21:56:38,551 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 21:56:38,551 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 21:56:38,552 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 21:56:38,552 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 21:56:38,552 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 21:56:38,552 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 21:56:38,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:38,576 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 21 [2024-10-31 21:56:38,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:38,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:38,582 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 21:56:38,582 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:56:38,583 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 21:56:38,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:38,586 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 21 [2024-10-31 21:56:38,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:38,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:38,587 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 21:56:38,587 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:56:38,595 INFO L745 eck$LassoCheckResult]: Stem: 33#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet24#1, main_#t~post25#1, main_~i~0#1, main_#t~nondet26#1, main_#t~post27#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 30#L555true assume !(main_~length1~0#1 < 1); 28#L555-2true assume !(main_~length2~0#1 < 1); 7#L558-1true call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 36#L564-3true [2024-10-31 21:56:38,595 INFO L747 eck$LassoCheckResult]: Loop: 36#L564-3true assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 23#L564-2true main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 36#L564-3true [2024-10-31 21:56:38,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:38,602 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2024-10-31 21:56:38,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:38,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672646798] [2024-10-31 21:56:38,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:38,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:38,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:38,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:38,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:38,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2024-10-31 21:56:38,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:38,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300363991] [2024-10-31 21:56:38,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:38,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:38,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:38,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:38,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:38,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2024-10-31 21:56:38,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:38,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521617586] [2024-10-31 21:56:38,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:38,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:38,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:38,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:39,479 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:56:39,480 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:56:39,480 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:56:39,480 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:56:39,481 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:56:39,481 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:39,481 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:56:39,481 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:56:39,481 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration1_Lasso [2024-10-31 21:56:39,482 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:56:39,482 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:56:39,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,526 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,931 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,976 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,980 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:39,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,537 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:56:40,542 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:56:40,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:40,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:40,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:40,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 21:56:40,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:40,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:40,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:40,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:40,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:40,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:40,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:40,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:40,580 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:40,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 21:56:40,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:40,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:40,604 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:40,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:40,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 21:56:40,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:40,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:40,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:40,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:40,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:40,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:40,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:40,625 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:40,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 21:56:40,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:40,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:40,648 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:40,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 21:56:40,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:40,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:40,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:40,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:40,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:40,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:40,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:40,684 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:40,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 21:56:40,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:40,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:40,709 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:40,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 21:56:40,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:40,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:40,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:40,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:40,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:40,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:40,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:40,745 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:40,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 21:56:40,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:40,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:40,768 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:40,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 21:56:40,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:40,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:40,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:40,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:40,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:40,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:40,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:40,814 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:40,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 21:56:40,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:40,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:40,838 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:40,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 21:56:40,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:40,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:40,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:40,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:40,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:40,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:40,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:40,866 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:40,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 21:56:40,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:40,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:40,891 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:40,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 21:56:40,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:40,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:40,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:40,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:40,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:40,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:40,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:40,939 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:56:40,992 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-31 21:56:40,992 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-10-31 21:56:40,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:40,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:41,008 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:41,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 21:56:41,012 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:56:41,029 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:56:41,030 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:56:41,030 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length1~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length1~0#1 Supporting invariants [] [2024-10-31 21:56:41,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 21:56:41,079 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-10-31 21:56:41,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:41,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 21:56:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:41,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:56:41,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:41,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:56:41,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:41,268 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 [2024-10-31 21:56:41,271 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:41,332 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 69 states and 104 transitions. Complement of second has 6 states. [2024-10-31 21:56:41,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 21:56:41,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:41,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 54 transitions. [2024-10-31 21:56:41,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 54 transitions. Stem has 5 letters. Loop has 2 letters. [2024-10-31 21:56:41,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:41,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 54 transitions. Stem has 7 letters. Loop has 2 letters. [2024-10-31 21:56:41,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:41,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 54 transitions. Stem has 5 letters. Loop has 4 letters. [2024-10-31 21:56:41,345 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:41,346 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 104 transitions. [2024-10-31 21:56:41,350 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2024-10-31 21:56:41,354 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 32 states and 47 transitions. [2024-10-31 21:56:41,356 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2024-10-31 21:56:41,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-10-31 21:56:41,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 47 transitions. [2024-10-31 21:56:41,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:56:41,358 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 47 transitions. [2024-10-31 21:56:41,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 47 transitions. [2024-10-31 21:56:41,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-10-31 21:56:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.46875) internal successors, (47), 31 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:41,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 47 transitions. [2024-10-31 21:56:41,390 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 47 transitions. [2024-10-31 21:56:41,391 INFO L425 stractBuchiCegarLoop]: Abstraction has 32 states and 47 transitions. [2024-10-31 21:56:41,391 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 21:56:41,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 47 transitions. [2024-10-31 21:56:41,396 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2024-10-31 21:56:41,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:41,396 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:41,397 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:41,397 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:56:41,397 INFO L745 eck$LassoCheckResult]: Stem: 206#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 189#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet24#1, main_#t~post25#1, main_~i~0#1, main_#t~nondet26#1, main_#t~post27#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, 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~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 190#L555 assume !(main_~length1~0#1 < 1); 204#L555-2 assume !(main_~length2~0#1 < 1); 184#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 185#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 203#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 196#L568-3 [2024-10-31 21:56:41,398 INFO L747 eck$LassoCheckResult]: Loop: 196#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 198#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 196#L568-3 [2024-10-31 21:56:41,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:41,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2024-10-31 21:56:41,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:41,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852054836] [2024-10-31 21:56:41,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:41,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:41,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:41,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:41,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852054836] [2024-10-31 21:56:41,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852054836] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:41,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:41,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:41,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535288897] [2024-10-31 21:56:41,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:41,577 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:56:41,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:41,578 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2024-10-31 21:56:41,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:41,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085839122] [2024-10-31 21:56:41,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:41,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:41,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:41,610 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:41,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:41,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:56:41,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:41,709 INFO L87 Difference]: Start difference. First operand 32 states and 47 transitions. cyclomatic complexity: 19 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:41,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:41,759 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2024-10-31 21:56:41,759 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2024-10-31 21:56:41,760 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2024-10-31 21:56:41,761 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2024-10-31 21:56:41,765 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-10-31 21:56:41,765 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-10-31 21:56:41,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2024-10-31 21:56:41,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:56:41,766 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 43 transitions. [2024-10-31 21:56:41,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2024-10-31 21:56:41,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2024-10-31 21:56:41,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.3125) internal successors, (42), 31 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2024-10-31 21:56:41,771 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 42 transitions. [2024-10-31 21:56:41,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:56:41,775 INFO L425 stractBuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2024-10-31 21:56:41,775 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 21:56:41,776 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 42 transitions. [2024-10-31 21:56:41,776 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2024-10-31 21:56:41,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:41,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:41,777 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:41,777 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:56:41,777 INFO L745 eck$LassoCheckResult]: Stem: 277#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 260#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet24#1, main_#t~post25#1, main_~i~0#1, main_#t~nondet26#1, main_#t~post27#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, 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~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 261#L555 assume !(main_~length1~0#1 < 1); 276#L555-2 assume !(main_~length2~0#1 < 1); 255#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 256#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 272#L564-2 main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 273#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 275#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 267#L568-3 [2024-10-31 21:56:41,778 INFO L747 eck$LassoCheckResult]: Loop: 267#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 269#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 267#L568-3 [2024-10-31 21:56:41,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:41,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1298440016, now seen corresponding path program 1 times [2024-10-31 21:56:41,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:41,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084489484] [2024-10-31 21:56:41,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:41,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:41,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:41,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:41,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:41,841 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 2 times [2024-10-31 21:56:41,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:41,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311579968] [2024-10-31 21:56:41,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:41,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:41,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:41,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:41,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:41,869 INFO L85 PathProgramCache]: Analyzing trace with hash -2034626574, now seen corresponding path program 1 times [2024-10-31 21:56:41,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:41,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987251300] [2024-10-31 21:56:41,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:41,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:41,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:41,936 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:42,396 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:56:42,397 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:56:42,397 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:56:42,397 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:56:42,397 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:56:42,397 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,397 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:56:42,398 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:56:42,398 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration3_Lasso [2024-10-31 21:56:42,398 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:56:42,398 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:56:42,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:42,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:43,082 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:56:43,082 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:56:43,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:43,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:43,086 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:43,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 21:56:43,090 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 [2024-10-31 21:56:43,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:43,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:43,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:43,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:43,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:43,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:43,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:43,108 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:43,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 21:56:43,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:43,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:43,130 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:43,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 21:56:43,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:43,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:43,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:43,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:43,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:43,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:43,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:43,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:43,151 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:43,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 21:56:43,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:43,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:43,172 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:43,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 21:56:43,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:43,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:43,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:43,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:43,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:43,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:43,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:43,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:43,199 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:43,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 21:56:43,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:43,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:43,223 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:43,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 21:56:43,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:43,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:43,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:43,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:43,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:43,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:43,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:43,252 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:43,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 21:56:43,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:43,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:43,273 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:43,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 21:56:43,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:43,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:43,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:43,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:43,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:43,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:43,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:43,303 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:43,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 21:56:43,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:43,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:43,325 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:43,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 21:56:43,327 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 [2024-10-31 21:56:43,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:43,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:43,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:43,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:43,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:43,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:43,369 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:56:43,410 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-10-31 21:56:43,410 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 15 variables to zero. [2024-10-31 21:56:43,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:43,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:43,413 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:43,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 21:56:43,422 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:56:43,444 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:56:43,445 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:56:43,445 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2024-10-31 21:56:43,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 21:56:43,502 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2024-10-31 21:56:43,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:43,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:56:43,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:43,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:56:43,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:43,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:43,617 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 [2024-10-31 21:56:43,617 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:43,653 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 46 transitions. Complement of second has 5 states. [2024-10-31 21:56:43,653 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 [2024-10-31 21:56:43,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:43,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-10-31 21:56:43,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2024-10-31 21:56:43,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:43,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2024-10-31 21:56:43,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:43,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2024-10-31 21:56:43,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:43,658 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 46 transitions. [2024-10-31 21:56:43,659 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2024-10-31 21:56:43,660 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 33 states and 44 transitions. [2024-10-31 21:56:43,660 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2024-10-31 21:56:43,660 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2024-10-31 21:56:43,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2024-10-31 21:56:43,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:56:43,664 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 44 transitions. [2024-10-31 21:56:43,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2024-10-31 21:56:43,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-10-31 21:56:43,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 32 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) [2024-10-31 21:56:43,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2024-10-31 21:56:43,667 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 44 transitions. [2024-10-31 21:56:43,667 INFO L425 stractBuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2024-10-31 21:56:43,667 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 21:56:43,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 44 transitions. [2024-10-31 21:56:43,668 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2024-10-31 21:56:43,668 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:43,668 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:43,669 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:43,669 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:56:43,669 INFO L745 eck$LassoCheckResult]: Stem: 434#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 416#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet24#1, main_#t~post25#1, main_~i~0#1, main_#t~nondet26#1, main_#t~post27#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, 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~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 417#L555 assume !(main_~length1~0#1 < 1); 432#L555-2 assume !(main_~length2~0#1 < 1); 411#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 412#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 428#L564-2 main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 429#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 431#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 423#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 424#L568-4 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_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, cstrstr_#t~mem17#1, cstrstr_#t~ret18#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int#0(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 430#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 420#L518-4 [2024-10-31 21:56:43,669 INFO L747 eck$LassoCheckResult]: Loop: 420#L518-4 call cstrlen_#t~mem2#1 := read~int#0(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 421#L518-1 assume !!(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1; 433#L518-3 cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset; 420#L518-4 [2024-10-31 21:56:43,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:43,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1351083894, now seen corresponding path program 1 times [2024-10-31 21:56:43,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:43,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385603972] [2024-10-31 21:56:43,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:43,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:43,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:43,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:43,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385603972] [2024-10-31 21:56:43,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385603972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:43,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:43,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:43,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429095437] [2024-10-31 21:56:43,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:43,786 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:56:43,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:43,787 INFO L85 PathProgramCache]: Analyzing trace with hash 79603, now seen corresponding path program 1 times [2024-10-31 21:56:43,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:43,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622523010] [2024-10-31 21:56:43,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:43,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:43,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:43,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:43,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:43,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:56:43,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:43,845 INFO L87 Difference]: Start difference. First operand 33 states and 44 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:43,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:43,869 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2024-10-31 21:56:43,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 44 transitions. [2024-10-31 21:56:43,870 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2024-10-31 21:56:43,870 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 44 transitions. [2024-10-31 21:56:43,870 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2024-10-31 21:56:43,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2024-10-31 21:56:43,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 44 transitions. [2024-10-31 21:56:43,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:56:43,871 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 44 transitions. [2024-10-31 21:56:43,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 44 transitions. [2024-10-31 21:56:43,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2024-10-31 21:56:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.303030303030303) internal successors, (43), 32 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:43,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2024-10-31 21:56:43,873 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 43 transitions. [2024-10-31 21:56:43,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:56:43,874 INFO L425 stractBuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2024-10-31 21:56:43,874 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 21:56:43,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 43 transitions. [2024-10-31 21:56:43,875 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2024-10-31 21:56:43,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:43,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:43,876 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:43,876 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:56:43,876 INFO L745 eck$LassoCheckResult]: Stem: 508#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 490#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet24#1, main_#t~post25#1, main_~i~0#1, main_#t~nondet26#1, main_#t~post27#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, 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~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 491#L555 assume !(main_~length1~0#1 < 1); 506#L555-2 assume !(main_~length2~0#1 < 1); 485#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 486#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 502#L564-2 main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 503#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 505#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 496#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 497#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 498#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 499#L568-4 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_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, cstrstr_#t~mem17#1, cstrstr_#t~ret18#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int#0(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 504#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 494#L518-4 [2024-10-31 21:56:43,876 INFO L747 eck$LassoCheckResult]: Loop: 494#L518-4 call cstrlen_#t~mem2#1 := read~int#0(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 495#L518-1 assume !!(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1; 507#L518-3 cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset; 494#L518-4 [2024-10-31 21:56:43,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:43,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1313217428, now seen corresponding path program 1 times [2024-10-31 21:56:43,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:43,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144193657] [2024-10-31 21:56:43,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:43,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:44,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:44,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:44,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144193657] [2024-10-31 21:56:44,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144193657] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:56:44,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45799710] [2024-10-31 21:56:44,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:44,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:56:44,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:44,368 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:56:44,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-31 21:56:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:44,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-31 21:56:44,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:44,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:44,537 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:56:44,568 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 13 treesize of output 11 [2024-10-31 21:56:44,573 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 14 treesize of output 12 [2024-10-31 21:56:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:44,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45799710] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:56:44,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:56:44,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2024-10-31 21:56:44,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179945282] [2024-10-31 21:56:44,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:56:44,625 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:56:44,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:44,625 INFO L85 PathProgramCache]: Analyzing trace with hash 79603, now seen corresponding path program 2 times [2024-10-31 21:56:44,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:44,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657556978] [2024-10-31 21:56:44,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:44,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:44,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:44,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:44,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:44,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-31 21:56:44,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-10-31 21:56:44,694 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. cyclomatic complexity: 14 Second operand has 14 states, 13 states have (on average 2.076923076923077) internal successors, (27), 14 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) [2024-10-31 21:56:44,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:44,870 INFO L93 Difference]: Finished difference Result 46 states and 58 transitions. [2024-10-31 21:56:44,870 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 58 transitions. [2024-10-31 21:56:44,871 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2024-10-31 21:56:44,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 36 states and 45 transitions. [2024-10-31 21:56:44,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2024-10-31 21:56:44,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2024-10-31 21:56:44,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2024-10-31 21:56:44,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:56:44,872 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 45 transitions. [2024-10-31 21:56:44,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2024-10-31 21:56:44,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-10-31 21:56:44,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 34 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) [2024-10-31 21:56:44,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2024-10-31 21:56:44,876 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 44 transitions. [2024-10-31 21:56:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 21:56:44,877 INFO L425 stractBuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2024-10-31 21:56:44,877 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 21:56:44,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 44 transitions. [2024-10-31 21:56:44,878 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2024-10-31 21:56:44,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:44,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:44,878 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:44,878 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:56:44,879 INFO L745 eck$LassoCheckResult]: Stem: 693#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 674#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet24#1, main_#t~post25#1, main_~i~0#1, main_#t~nondet26#1, main_#t~post27#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, 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~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 675#L555 assume !(main_~length1~0#1 < 1); 691#L555-2 assume !(main_~length2~0#1 < 1); 669#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 670#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 686#L564-2 main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 687#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 690#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 681#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 682#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 683#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 684#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 694#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 688#L568-4 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_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, cstrstr_#t~mem17#1, cstrstr_#t~ret18#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int#0(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 689#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 678#L518-4 [2024-10-31 21:56:44,879 INFO L747 eck$LassoCheckResult]: Loop: 678#L518-4 call cstrlen_#t~mem2#1 := read~int#0(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 679#L518-1 assume !!(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1; 692#L518-3 cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset; 678#L518-4 [2024-10-31 21:56:44,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:44,879 INFO L85 PathProgramCache]: Analyzing trace with hash -716718030, now seen corresponding path program 2 times [2024-10-31 21:56:44,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:44,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771167935] [2024-10-31 21:56:44,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:44,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:44,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:44,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:44,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:44,932 INFO L85 PathProgramCache]: Analyzing trace with hash 79603, now seen corresponding path program 3 times [2024-10-31 21:56:44,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:44,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419348931] [2024-10-31 21:56:44,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:44,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:44,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:44,941 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:44,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:44,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1464353502, now seen corresponding path program 1 times [2024-10-31 21:56:44,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:44,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792108999] [2024-10-31 21:56:44,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:44,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:45,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:45,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792108999] [2024-10-31 21:56:45,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792108999] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:56:45,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2482493] [2024-10-31 21:56:45,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:45,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:56:45,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:45,619 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:56:45,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-31 21:56:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:45,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-10-31 21:56:45,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:45,824 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 11 treesize of output 7 [2024-10-31 21:56:45,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:45,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:56:45,911 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 [2024-10-31 21:56:45,915 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 [2024-10-31 21:56:45,988 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:45,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2482493] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:56:45,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:56:45,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 21 [2024-10-31 21:56:45,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270097367] [2024-10-31 21:56:45,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:56:46,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:46,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-31 21:56:46,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2024-10-31 21:56:46,041 INFO L87 Difference]: Start difference. First operand 35 states and 44 transitions. cyclomatic complexity: 13 Second operand has 21 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 21 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) [2024-10-31 21:56:46,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:46,415 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2024-10-31 21:56:46,415 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 73 transitions. [2024-10-31 21:56:46,416 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 31 [2024-10-31 21:56:46,416 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 73 transitions. [2024-10-31 21:56:46,416 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2024-10-31 21:56:46,417 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2024-10-31 21:56:46,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 73 transitions. [2024-10-31 21:56:46,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:56:46,417 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 73 transitions. [2024-10-31 21:56:46,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 73 transitions. [2024-10-31 21:56:46,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 41. [2024-10-31 21:56:46,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 40 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:46,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2024-10-31 21:56:46,420 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 51 transitions. [2024-10-31 21:56:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-31 21:56:46,421 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2024-10-31 21:56:46,421 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-31 21:56:46,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 51 transitions. [2024-10-31 21:56:46,422 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2024-10-31 21:56:46,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:46,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:46,423 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:46,423 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:56:46,423 INFO L745 eck$LassoCheckResult]: Stem: 933#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 914#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet24#1, main_#t~post25#1, main_~i~0#1, main_#t~nondet26#1, main_#t~post27#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, 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~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 915#L555 assume !(main_~length1~0#1 < 1); 932#L555-2 assume !(main_~length2~0#1 < 1); 909#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 910#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 928#L564-2 main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 929#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 931#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 921#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 922#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 941#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 940#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 939#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 925#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 923#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 924#L568-4 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_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, cstrstr_#t~mem17#1, cstrstr_#t~ret18#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int#0(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 930#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 919#L518-4 [2024-10-31 21:56:46,423 INFO L747 eck$LassoCheckResult]: Loop: 919#L518-4 call cstrlen_#t~mem2#1 := read~int#0(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 920#L518-1 assume !!(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1; 934#L518-3 cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset; 919#L518-4 [2024-10-31 21:56:46,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:46,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1569540784, now seen corresponding path program 3 times [2024-10-31 21:56:46,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:46,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983697575] [2024-10-31 21:56:46,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:46,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:46,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:46,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:46,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:46,462 INFO L85 PathProgramCache]: Analyzing trace with hash 79603, now seen corresponding path program 4 times [2024-10-31 21:56:46,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:46,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824698747] [2024-10-31 21:56:46,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:46,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:46,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:46,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:46,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:46,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1119505220, now seen corresponding path program 2 times [2024-10-31 21:56:46,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:46,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091788675] [2024-10-31 21:56:46,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:46,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:46,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:46,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:49,380 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:56:49,381 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:56:49,381 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:56:49,381 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:56:49,381 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:56:49,381 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:49,381 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:56:49,381 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:56:49,382 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration7_Lasso [2024-10-31 21:56:49,382 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:56:49,382 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:56:49,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,418 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:49,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:50,465 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:56:50,465 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:56:50,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:50,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:50,468 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:50,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 21:56:50,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:50,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:50,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:50,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:50,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:50,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:50,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:50,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:50,494 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:50,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:50,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:50,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:50,513 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:50,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 21:56:50,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:50,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:50,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:50,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:50,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:50,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:50,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:50,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:50,529 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:50,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-31 21:56:50,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:50,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:50,542 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:50,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 21:56:50,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:50,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:50,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:50,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:50,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:50,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:50,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:50,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:50,557 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:50,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:50,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:50,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:50,574 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:50,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 21:56:50,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:50,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:50,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:50,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:50,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:50,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:50,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:50,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:50,596 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:50,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:50,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:50,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:50,619 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:50,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 21:56:50,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:50,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:50,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:50,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:50,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:50,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:50,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:50,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:50,644 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:50,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-31 21:56:50,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:50,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:50,666 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:50,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 21:56:50,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:50,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:50,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:50,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:50,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:50,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:50,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:50,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:50,690 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:50,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:50,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:50,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:50,711 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:50,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 21:56:50,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:50,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:50,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:50,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:50,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:50,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:50,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:50,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:50,733 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:50,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:50,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:50,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:50,753 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:50,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 21:56:50,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:50,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:50,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:50,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:50,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:50,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:50,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:50,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:50,772 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:50,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:50,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:50,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:50,792 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:50,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 21:56:50,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:50,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:50,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:50,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:50,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:50,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:50,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:50,819 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:50,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-10-31 21:56:50,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:50,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:50,833 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:50,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 21:56:50,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:50,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:50,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:50,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:50,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:50,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:50,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:50,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:50,849 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:50,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:50,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:50,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:50,866 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:50,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 21:56:50,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:50,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:50,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:50,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:50,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:50,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:50,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:50,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:50,880 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:50,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-31 21:56:50,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:50,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:50,893 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:50,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 21:56:50,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:50,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:50,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:50,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:50,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:50,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:50,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:50,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:50,908 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:50,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-10-31 21:56:50,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:50,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:50,920 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:50,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 21:56:50,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:50,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:50,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:50,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:50,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:50,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:50,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:50,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:50,935 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:50,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-31 21:56:50,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:50,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:50,957 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:50,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 21:56:50,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:50,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:50,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:50,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:50,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:50,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:50,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:50,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:50,978 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:50,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-31 21:56:50,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:50,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:50,999 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:51,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 21:56:51,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:51,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:51,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:51,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:51,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:51,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:51,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:51,022 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:51,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:51,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:51,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:51,036 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:51,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 21:56:51,038 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 [2024-10-31 21:56:51,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:51,049 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-10-31 21:56:51,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:51,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:51,052 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-10-31 21:56:51,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:51,063 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:51,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:51,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:51,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:51,082 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:51,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 21:56:51,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:51,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:51,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:51,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:51,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:51,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:51,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:51,114 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:56:51,148 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-10-31 21:56:51,148 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-10-31 21:56:51,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:51,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:51,151 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:51,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 21:56:51,153 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:56:51,173 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:56:51,173 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:56:51,174 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc23#1.base)_3, ULTIMATE.start_cstrlen_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc23#1.base)_3 - 1*ULTIMATE.start_cstrlen_~s~0#1.offset Supporting invariants [] [2024-10-31 21:56:51,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:51,222 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2024-10-31 21:56:51,225 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-10-31 21:56:51,226 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 21:56:51,226 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 21:56:51,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:51,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-31 21:56:51,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:51,415 WARN L253 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:56:51,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:51,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:51,454 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 [2024-10-31 21:56:51,455 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 51 transitions. cyclomatic complexity: 14 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:51,528 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 51 transitions. cyclomatic complexity: 14. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 58 transitions. Complement of second has 7 states. [2024-10-31 21:56:51,530 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 [2024-10-31 21:56:51,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-10-31 21:56:51,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 18 letters. Loop has 3 letters. [2024-10-31 21:56:51,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:51,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 21 letters. Loop has 3 letters. [2024-10-31 21:56:51,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:51,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 18 letters. Loop has 6 letters. [2024-10-31 21:56:51,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:51,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 58 transitions. [2024-10-31 21:56:51,533 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2024-10-31 21:56:51,533 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 43 states and 54 transitions. [2024-10-31 21:56:51,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-10-31 21:56:51,534 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2024-10-31 21:56:51,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 54 transitions. [2024-10-31 21:56:51,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:51,537 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 54 transitions. [2024-10-31 21:56:51,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 54 transitions. [2024-10-31 21:56:51,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2024-10-31 21:56:51,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 41 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:51,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 53 transitions. [2024-10-31 21:56:51,543 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 53 transitions. [2024-10-31 21:56:51,543 INFO L425 stractBuchiCegarLoop]: Abstraction has 42 states and 53 transitions. [2024-10-31 21:56:51,543 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-31 21:56:51,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 53 transitions. [2024-10-31 21:56:51,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2024-10-31 21:56:51,545 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:51,545 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:51,545 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:51,546 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:51,546 INFO L745 eck$LassoCheckResult]: Stem: 1153#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1132#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet24#1, main_#t~post25#1, main_~i~0#1, main_#t~nondet26#1, main_#t~post27#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, 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~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 1133#L555 assume !(main_~length1~0#1 < 1); 1151#L555-2 assume !(main_~length2~0#1 < 1); 1127#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 1128#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 1146#L564-2 main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 1147#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 1150#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 1141#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 1142#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 1143#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 1144#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 1159#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 1148#L568-4 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_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, cstrstr_#t~mem17#1, cstrstr_#t~ret18#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int#0(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 1149#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 1136#L518-4 call cstrlen_#t~mem2#1 := read~int#0(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1137#L518-1 assume !(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1; 1126#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := cstrlen_~s~0#1.offset - cstrlen_~str#1.offset; 1118#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;havoc cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 1119#L542-4 [2024-10-31 21:56:51,546 INFO L747 eck$LassoCheckResult]: Loop: 1119#L542-4 goto; 1140#L543-2 cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post16#1.base, 1 + cstrstr_#t~post16#1.offset;call cstrstr_#t~mem17#1 := read~int#1(cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem17#1; 1129#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset;havoc cstrstr_#t~mem17#1; 1130#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 1145#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem5#1, cstrncmp_#t~post4#1.base, cstrncmp_#t~post4#1.offset, cstrncmp_#t~mem6#1, cstrncmp_#t~mem8#1, cstrncmp_#t~pre7#1.base, cstrncmp_#t~pre7#1.offset, cstrncmp_#t~mem9#1, cstrncmp_#t~post10#1.base, cstrncmp_#t~post10#1.offset, cstrncmp_#t~mem11#1, cstrncmp_#t~pre12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 1120#L525 assume 0 == cstrncmp_~n#1 % 4294967296;cstrncmp_#res#1 := 0; 1121#cstrncmp_returnLabel#1 cstrstr_#t~ret18#1 := cstrncmp_#res#1;havoc cstrncmp_#t~mem5#1, cstrncmp_#t~post4#1.base, cstrncmp_#t~post4#1.offset, cstrncmp_#t~mem6#1, cstrncmp_#t~mem8#1, cstrncmp_#t~pre7#1.base, cstrncmp_#t~pre7#1.offset, cstrncmp_#t~mem9#1, cstrncmp_#t~post10#1.base, cstrncmp_#t~post10#1.offset, cstrncmp_#t~mem11#1, cstrncmp_#t~pre12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;havoc cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1;assume { :end_inline_cstrncmp } true; 1131#L542-2 assume !!(0 != cstrstr_#t~ret18#1);havoc cstrstr_#t~ret18#1; 1119#L542-4 [2024-10-31 21:56:51,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:51,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1849679959, now seen corresponding path program 1 times [2024-10-31 21:56:51,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:51,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673566447] [2024-10-31 21:56:51,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:51,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:51,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:51,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:51,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:51,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1079765744, now seen corresponding path program 1 times [2024-10-31 21:56:51,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:51,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825270096] [2024-10-31 21:56:51,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:51,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:51,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:51,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:51,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825270096] [2024-10-31 21:56:51,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825270096] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:51,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:51,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:51,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328766974] [2024-10-31 21:56:51,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:51,648 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 21:56:51,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:51,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:56:51,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:51,649 INFO L87 Difference]: Start difference. First operand 42 states and 53 transitions. cyclomatic complexity: 15 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:51,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:51,674 INFO L93 Difference]: Finished difference Result 44 states and 54 transitions. [2024-10-31 21:56:51,674 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 54 transitions. [2024-10-31 21:56:51,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-10-31 21:56:51,675 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 41 states and 49 transitions. [2024-10-31 21:56:51,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-10-31 21:56:51,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-10-31 21:56:51,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 49 transitions. [2024-10-31 21:56:51,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:51,676 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-10-31 21:56:51,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 49 transitions. [2024-10-31 21:56:51,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-10-31 21:56:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 40 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2024-10-31 21:56:51,682 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-10-31 21:56:51,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:56:51,686 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-10-31 21:56:51,688 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-31 21:56:51,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 49 transitions. [2024-10-31 21:56:51,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-10-31 21:56:51,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:51,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:51,691 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:51,691 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:51,691 INFO L745 eck$LassoCheckResult]: Stem: 1244#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1222#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet24#1, main_#t~post25#1, main_~i~0#1, main_#t~nondet26#1, main_#t~post27#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, 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~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 1223#L555 assume !(main_~length1~0#1 < 1); 1243#L555-2 assume !(main_~length2~0#1 < 1); 1217#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 1218#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 1238#L564-2 main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 1239#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 1242#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 1232#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 1233#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 1234#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 1235#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 1251#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 1240#L568-4 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_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, cstrstr_#t~mem17#1, cstrstr_#t~ret18#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int#0(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 1241#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 1228#L518-4 call cstrlen_#t~mem2#1 := read~int#0(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1229#L518-1 assume !(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1; 1219#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := cstrlen_~s~0#1.offset - cstrlen_~str#1.offset; 1211#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;havoc cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 1212#L542-4 [2024-10-31 21:56:51,692 INFO L747 eck$LassoCheckResult]: Loop: 1212#L542-4 goto; 1236#L543-2 cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post16#1.base, 1 + cstrstr_#t~post16#1.offset;call cstrstr_#t~mem17#1 := read~int#1(cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem17#1; 1220#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset;havoc cstrstr_#t~mem17#1; 1221#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 1237#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem5#1, cstrncmp_#t~post4#1.base, cstrncmp_#t~post4#1.offset, cstrncmp_#t~mem6#1, cstrncmp_#t~mem8#1, cstrncmp_#t~pre7#1.base, cstrncmp_#t~pre7#1.offset, cstrncmp_#t~mem9#1, cstrncmp_#t~post10#1.base, cstrncmp_#t~post10#1.offset, cstrncmp_#t~mem11#1, cstrncmp_#t~pre12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 1213#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 1214#L527-4 call cstrncmp_#t~mem5#1 := read~int#1(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post4#1.base, cstrncmp_#t~post4#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post4#1.base, 1 + cstrncmp_#t~post4#1.offset;call cstrncmp_#t~mem6#1 := read~int#0(cstrncmp_#t~post4#1.base, cstrncmp_#t~post4#1.offset, 1); 1227#L528 assume cstrncmp_#t~mem5#1 != cstrncmp_#t~mem6#1;havoc cstrncmp_#t~mem5#1;havoc cstrncmp_#t~post4#1.base, cstrncmp_#t~post4#1.offset;havoc cstrncmp_#t~mem6#1;call cstrncmp_#t~mem8#1 := read~int#1(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~pre7#1.base, cstrncmp_#t~pre7#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;call cstrncmp_#t~mem9#1 := read~int#0(cstrncmp_#t~pre7#1.base, cstrncmp_#t~pre7#1.offset, 1);cstrncmp_#res#1 := (if cstrncmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then cstrncmp_#t~mem8#1 % 256 % 4294967296 else cstrncmp_#t~mem8#1 % 256 % 4294967296 - 4294967296) - (if cstrncmp_#t~mem9#1 % 256 % 4294967296 <= 2147483647 then cstrncmp_#t~mem9#1 % 256 % 4294967296 else cstrncmp_#t~mem9#1 % 256 % 4294967296 - 4294967296);havoc cstrncmp_#t~mem8#1;havoc cstrncmp_#t~pre7#1.base, cstrncmp_#t~pre7#1.offset;havoc cstrncmp_#t~mem9#1; 1224#cstrncmp_returnLabel#1 cstrstr_#t~ret18#1 := cstrncmp_#res#1;havoc cstrncmp_#t~mem5#1, cstrncmp_#t~post4#1.base, cstrncmp_#t~post4#1.offset, cstrncmp_#t~mem6#1, cstrncmp_#t~mem8#1, cstrncmp_#t~pre7#1.base, cstrncmp_#t~pre7#1.offset, cstrncmp_#t~mem9#1, cstrncmp_#t~post10#1.base, cstrncmp_#t~post10#1.offset, cstrncmp_#t~mem11#1, cstrncmp_#t~pre12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;havoc cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1;assume { :end_inline_cstrncmp } true; 1225#L542-2 assume !!(0 != cstrstr_#t~ret18#1);havoc cstrstr_#t~ret18#1; 1212#L542-4 [2024-10-31 21:56:51,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:51,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1849679959, now seen corresponding path program 2 times [2024-10-31 21:56:51,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:51,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654711037] [2024-10-31 21:56:51,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:51,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:51,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:51,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:51,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:51,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1728347221, now seen corresponding path program 1 times [2024-10-31 21:56:51,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:51,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361953233] [2024-10-31 21:56:51,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:51,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:51,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:51,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:51,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:51,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1941989675, now seen corresponding path program 1 times [2024-10-31 21:56:51,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:51,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590054613] [2024-10-31 21:56:51,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:51,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:51,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 21:56:52,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:52,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590054613] [2024-10-31 21:56:52,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590054613] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:52,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:52,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 21:56:52,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467200183] [2024-10-31 21:56:52,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:52,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:52,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:56:52,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:56:52,386 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:52,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:52,439 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2024-10-31 21:56:52,439 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 60 transitions. [2024-10-31 21:56:52,440 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2024-10-31 21:56:52,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 50 states and 58 transitions. [2024-10-31 21:56:52,441 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2024-10-31 21:56:52,441 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2024-10-31 21:56:52,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 58 transitions. [2024-10-31 21:56:52,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:52,441 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 58 transitions. [2024-10-31 21:56:52,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 58 transitions. [2024-10-31 21:56:52,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2024-10-31 21:56:52,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.1666666666666667) internal successors, (56), 47 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:52,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2024-10-31 21:56:52,444 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 56 transitions. [2024-10-31 21:56:52,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:56:52,445 INFO L425 stractBuchiCegarLoop]: Abstraction has 48 states and 56 transitions. [2024-10-31 21:56:52,445 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-31 21:56:52,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 56 transitions. [2024-10-31 21:56:52,446 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2024-10-31 21:56:52,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:52,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:52,446 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:52,447 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:56:52,447 INFO L745 eck$LassoCheckResult]: Stem: 1355#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1330#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet24#1, main_#t~post25#1, main_~i~0#1, main_#t~nondet26#1, main_#t~post27#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, 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~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 1331#L555 assume !(main_~length1~0#1 < 1); 1351#L555-2 assume !(main_~length2~0#1 < 1); 1324#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 1325#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 1345#L564-2 main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 1346#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 1349#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 1340#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 1341#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 1342#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 1343#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 1364#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 1347#L568-4 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_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, cstrstr_#t~mem17#1, cstrstr_#t~ret18#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int#0(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 1348#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 1335#L518-4 call cstrlen_#t~mem2#1 := read~int#0(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1336#L518-1 assume !(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1; 1323#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := cstrlen_~s~0#1.offset - cstrlen_~str#1.offset; 1317#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;havoc cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 1318#L542-4 goto; 1344#L543-2 [2024-10-31 21:56:52,447 INFO L747 eck$LassoCheckResult]: Loop: 1344#L543-2 cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post16#1.base, 1 + cstrstr_#t~post16#1.offset;call cstrstr_#t~mem17#1 := read~int#1(cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem17#1; 1326#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset;havoc cstrstr_#t~mem17#1; 1327#L543 assume !!(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 1344#L543-2 [2024-10-31 21:56:52,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:52,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1505503948, now seen corresponding path program 1 times [2024-10-31 21:56:52,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:52,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918196072] [2024-10-31 21:56:52,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:52,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:52,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:52,478 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:52,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:52,479 INFO L85 PathProgramCache]: Analyzing trace with hash 99467, now seen corresponding path program 1 times [2024-10-31 21:56:52,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:52,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719255647] [2024-10-31 21:56:52,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:52,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:52,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:52,487 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:52,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:52,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1875287584, now seen corresponding path program 1 times [2024-10-31 21:56:52,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:52,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947543627] [2024-10-31 21:56:52,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:52,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:52,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:56:52,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:52,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947543627] [2024-10-31 21:56:52,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947543627] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:56:52,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351252036] [2024-10-31 21:56:52,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:52,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:56:52,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:52,828 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:56:52,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-31 21:56:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:52,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-31 21:56:52,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:53,044 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 11 treesize of output 7 [2024-10-31 21:56:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:56:53,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:56:53,101 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 13 treesize of output 11 [2024-10-31 21:56:53,104 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 14 treesize of output 12 [2024-10-31 21:56:53,180 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:56:53,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351252036] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:56:53,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:56:53,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-10-31 21:56:53,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569886541] [2024-10-31 21:56:53,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:56:53,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:53,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-31 21:56:53,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-31 21:56:53,252 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. cyclomatic complexity: 13 Second operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:53,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:53,437 INFO L93 Difference]: Finished difference Result 85 states and 97 transitions. [2024-10-31 21:56:53,437 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 85 states and 97 transitions. [2024-10-31 21:56:53,438 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2024-10-31 21:56:53,439 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 85 states to 51 states and 58 transitions. [2024-10-31 21:56:53,439 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2024-10-31 21:56:53,439 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2024-10-31 21:56:53,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 58 transitions. [2024-10-31 21:56:53,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:53,440 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 58 transitions. [2024-10-31 21:56:53,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 58 transitions. [2024-10-31 21:56:53,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2024-10-31 21:56:53,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.14) internal successors, (57), 49 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:53,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2024-10-31 21:56:53,443 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 57 transitions. [2024-10-31 21:56:53,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 21:56:53,447 INFO L425 stractBuchiCegarLoop]: Abstraction has 50 states and 57 transitions. [2024-10-31 21:56:53,447 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-10-31 21:56:53,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 57 transitions. [2024-10-31 21:56:53,448 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2024-10-31 21:56:53,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:53,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:53,449 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:53,449 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:56:53,449 INFO L745 eck$LassoCheckResult]: Stem: 1651#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1627#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet24#1, main_#t~post25#1, main_~i~0#1, main_#t~nondet26#1, main_#t~post27#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, 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~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 1628#L555 assume !(main_~length1~0#1 < 1); 1648#L555-2 assume !(main_~length2~0#1 < 1); 1621#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 1622#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 1642#L564-2 main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 1643#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 1652#L564-2 main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 1659#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 1646#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 1636#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 1637#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 1638#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 1639#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 1658#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 1644#L568-4 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_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, cstrstr_#t~mem17#1, cstrstr_#t~ret18#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int#0(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 1645#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 1631#L518-4 call cstrlen_#t~mem2#1 := read~int#0(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1632#L518-1 assume !(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1; 1663#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := cstrlen_~s~0#1.offset - cstrlen_~str#1.offset; 1662#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;havoc cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 1661#L542-4 goto; 1641#L543-2 [2024-10-31 21:56:53,449 INFO L747 eck$LassoCheckResult]: Loop: 1641#L543-2 cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post16#1.base, 1 + cstrstr_#t~post16#1.offset;call cstrstr_#t~mem17#1 := read~int#1(cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem17#1; 1623#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset;havoc cstrstr_#t~mem17#1; 1624#L543 assume !!(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 1641#L543-2 [2024-10-31 21:56:53,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:53,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1779363886, now seen corresponding path program 2 times [2024-10-31 21:56:53,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:53,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795593918] [2024-10-31 21:56:53,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:53,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:53,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:53,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:53,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:53,502 INFO L85 PathProgramCache]: Analyzing trace with hash 99467, now seen corresponding path program 2 times [2024-10-31 21:56:53,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:53,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991545341] [2024-10-31 21:56:53,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:53,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:53,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:53,513 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:53,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:53,514 INFO L85 PathProgramCache]: Analyzing trace with hash 543230270, now seen corresponding path program 2 times [2024-10-31 21:56:53,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:53,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494891841] [2024-10-31 21:56:53,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:53,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:53,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:53,561 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:57,719 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:56:57,719 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:56:57,719 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:56:57,719 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:56:57,719 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:56:57,720 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:57,720 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:56:57,720 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:56:57,720 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration11_Lasso [2024-10-31 21:56:57,720 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:56:57,720 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:56:57,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:57,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:58,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:58,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:58,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:58,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:58,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:58,757 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:56:58,758 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:56:58,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:58,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:58,761 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:58,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 21:56:58,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:58,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:58,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:58,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:58,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:58,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:58,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:58,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:58,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:58,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-10-31 21:56:58,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:58,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:58,831 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:58,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 21:56:58,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:58,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:58,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:58,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:58,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:58,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:58,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:58,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:58,853 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:58,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-10-31 21:56:58,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:58,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:58,876 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:58,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 21:56:58,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:58,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:58,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:58,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:58,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:58,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:58,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:58,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:58,898 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:58,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:58,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:58,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:58,919 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:58,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 21:56:58,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:58,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:58,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:58,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:58,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:58,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:58,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:58,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:58,943 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:58,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:58,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:58,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:58,966 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:58,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 21:56:58,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:58,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:58,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:58,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:58,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:58,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:58,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:58,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:58,986 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,008 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-31 21:56:59,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,029 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,050 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-31 21:56:59,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,074 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,098 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-31 21:56:59,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,124 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,147 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-31 21:56:59,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,169 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,191 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-31 21:56:59,194 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 [2024-10-31 21:56:59,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,213 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-10-31 21:56:59,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,235 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-31 21:56:59,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,255 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,276 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-31 21:56:59,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,332 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,360 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-31 21:56:59,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,383 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,400 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-31 21:56:59,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,418 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-10-31 21:56:59,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,441 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-31 21:56:59,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,457 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-10-31 21:56:59,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,471 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-31 21:56:59,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,488 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,501 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-31 21:56:59,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:59,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:59,522 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-10-31 21:56:59,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,538 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-31 21:56:59,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,557 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,583 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-31 21:56:59,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:59,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:59,612 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,633 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-31 21:56:59,635 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 [2024-10-31 21:56:59,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,653 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-10-31 21:56:59,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,674 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-31 21:56:59,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,696 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,716 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-31 21:56:59,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,737 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,756 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-10-31 21:56:59,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,784 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,807 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-31 21:56:59,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,824 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-10-31 21:56:59,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,839 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-10-31 21:56:59,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,856 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,870 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-10-31 21:56:59,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,888 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-10-31 21:56:59,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,901 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-10-31 21:56:59,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,919 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,941 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-10-31 21:56:59,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,962 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:59,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:59,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:59,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:59,977 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:59,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-10-31 21:56:59,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:59,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:59,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:59,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:59,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:59,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:59,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:59,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:59,994 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:00,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:00,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:00,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:00,009 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:00,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-10-31 21:57:00,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:00,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:00,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:00,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:00,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:00,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:00,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:00,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:00,031 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:00,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-10-31 21:57:00,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:00,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:00,052 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:00,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-10-31 21:57:00,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:00,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:00,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:00,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:00,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:00,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:00,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:00,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:00,072 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:00,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-10-31 21:57:00,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:00,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:00,092 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:00,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-10-31 21:57:00,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:00,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:00,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:00,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:00,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:00,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:00,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:00,118 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:00,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:00,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:00,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:00,139 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:00,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-10-31 21:57:00,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:00,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:00,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:00,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:00,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:00,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:00,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:00,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:00,169 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:00,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:00,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:00,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:00,190 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:00,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-10-31 21:57:00,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:00,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:00,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:00,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:00,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:00,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:00,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:00,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:00,207 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:00,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:00,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:00,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:00,228 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:00,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-10-31 21:57:00,231 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 [2024-10-31 21:57:00,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:00,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:00,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:00,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:00,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:00,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:00,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:00,248 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:00,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:00,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:00,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:00,274 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:00,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-10-31 21:57:00,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:00,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:00,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:00,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:00,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:00,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:00,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:00,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:00,295 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:00,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:00,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:00,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:00,324 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:00,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-10-31 21:57:00,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:00,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:00,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:00,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:00,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:00,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:00,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:00,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:00,345 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:00,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2024-10-31 21:57:00,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:00,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:00,368 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:00,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-10-31 21:57:00,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:00,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:00,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:00,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:00,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:00,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:00,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:00,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:00,393 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:00,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2024-10-31 21:57:00,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:00,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:00,415 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:00,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-10-31 21:57:00,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:00,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:00,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:00,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:00,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:00,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:00,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:00,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:00,429 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:00,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2024-10-31 21:57:00,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:00,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:00,442 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:00,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-10-31 21:57:00,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:00,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:00,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:00,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:00,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:00,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:00,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:00,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:00,456 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:00,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2024-10-31 21:57:00,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:00,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:00,473 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:00,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-10-31 21:57:00,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:00,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:00,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:00,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:00,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:00,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:00,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:00,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:00,488 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:00,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:00,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:00,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:00,503 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:00,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-10-31 21:57:00,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:00,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:00,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:00,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:00,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:00,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:00,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:00,523 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:00,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:00,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:00,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:00,537 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:00,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-10-31 21:57:00,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:00,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:00,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:00,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:00,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:00,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:00,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:00,566 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:57:00,593 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-10-31 21:57:00,593 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-10-31 21:57:00,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:00,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:00,596 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:00,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-10-31 21:57:00,605 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:57:00,620 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:57:00,620 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:57:00,620 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrstr_~s#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc22#1.base)_4) = -1*ULTIMATE.start_cstrstr_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc22#1.base)_4 Supporting invariants [] [2024-10-31 21:57:00,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2024-10-31 21:57:00,661 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2024-10-31 21:57:00,664 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s!offset [2024-10-31 21:57:00,664 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 21:57:00,664 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 21:57:00,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:00,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:57:00,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:00,869 WARN L253 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-31 21:57:00,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:00,907 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 [2024-10-31 21:57:00,907 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 57 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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) [2024-10-31 21:57:00,972 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 57 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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 67 states and 76 transitions. Complement of second has 6 states. [2024-10-31 21:57:00,977 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 [2024-10-31 21:57:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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) [2024-10-31 21:57:00,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2024-10-31 21:57:00,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 23 letters. Loop has 3 letters. [2024-10-31 21:57:00,983 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:00,983 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 26 letters. Loop has 3 letters. [2024-10-31 21:57:00,983 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:00,983 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 23 letters. Loop has 6 letters. [2024-10-31 21:57:00,983 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:00,983 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 76 transitions. [2024-10-31 21:57:00,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 21:57:00,984 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 50 states and 56 transitions. [2024-10-31 21:57:00,984 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2024-10-31 21:57:00,985 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2024-10-31 21:57:00,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 56 transitions. [2024-10-31 21:57:00,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:57:00,987 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 56 transitions. [2024-10-31 21:57:00,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 56 transitions. [2024-10-31 21:57:00,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-31 21:57:00,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.12) internal successors, (56), 49 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:00,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2024-10-31 21:57:00,997 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 56 transitions. [2024-10-31 21:57:00,997 INFO L425 stractBuchiCegarLoop]: Abstraction has 50 states and 56 transitions. [2024-10-31 21:57:00,997 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-10-31 21:57:00,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 56 transitions. [2024-10-31 21:57:00,997 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 21:57:00,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:00,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:01,002 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:01,002 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-31 21:57:01,003 INFO L745 eck$LassoCheckResult]: Stem: 1921#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1894#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet24#1, main_#t~post25#1, main_~i~0#1, main_#t~nondet26#1, main_#t~post27#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, 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~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 1895#L555 assume !(main_~length1~0#1 < 1); 1920#L555-2 assume !(main_~length2~0#1 < 1); 1888#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 1889#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 1915#L564-2 main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 1916#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 1923#L564-2 main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 1924#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 1919#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 1907#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 1908#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 1909#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 1910#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 1927#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 1926#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 1925#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 1917#L568-4 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_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, cstrstr_#t~mem17#1, cstrstr_#t~ret18#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int#0(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 1918#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 1903#L518-4 call cstrlen_#t~mem2#1 := read~int#0(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1904#L518-1 assume !!(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1; 1922#L518-3 cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset; 1905#L518-4 call cstrlen_#t~mem2#1 := read~int#0(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1906#L518-1 assume !(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1; 1890#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := cstrlen_~s~0#1.offset - cstrlen_~str#1.offset; 1878#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;havoc cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 1879#L542-4 goto; 1911#L543-2 cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post16#1.base, 1 + cstrstr_#t~post16#1.offset;call cstrstr_#t~mem17#1 := read~int#1(cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem17#1; 1891#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset;havoc cstrstr_#t~mem17#1; 1893#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 1913#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem5#1, cstrncmp_#t~post4#1.base, cstrncmp_#t~post4#1.offset, cstrncmp_#t~mem6#1, cstrncmp_#t~mem8#1, cstrncmp_#t~pre7#1.base, cstrncmp_#t~pre7#1.offset, cstrncmp_#t~mem9#1, cstrncmp_#t~post10#1.base, cstrncmp_#t~post10#1.offset, cstrncmp_#t~mem11#1, cstrncmp_#t~pre12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 1880#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 1881#L527-4 [2024-10-31 21:57:01,003 INFO L747 eck$LassoCheckResult]: Loop: 1881#L527-4 call cstrncmp_#t~mem5#1 := read~int#1(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post4#1.base, cstrncmp_#t~post4#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post4#1.base, 1 + cstrncmp_#t~post4#1.offset;call cstrncmp_#t~mem6#1 := read~int#0(cstrncmp_#t~post4#1.base, cstrncmp_#t~post4#1.offset, 1); 1901#L528 assume !(cstrncmp_#t~mem5#1 != cstrncmp_#t~mem6#1);havoc cstrncmp_#t~mem5#1;havoc cstrncmp_#t~post4#1.base, cstrncmp_#t~post4#1.offset;havoc cstrncmp_#t~mem6#1;cstrncmp_#t~post10#1.base, cstrncmp_#t~post10#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post10#1.base, 1 + cstrncmp_#t~post10#1.offset;call cstrncmp_#t~mem11#1 := read~int#1(cstrncmp_#t~post10#1.base, cstrncmp_#t~post10#1.offset, 1); 1898#L530 assume !(0 == cstrncmp_#t~mem11#1);havoc cstrncmp_#t~post10#1.base, cstrncmp_#t~post10#1.offset;havoc cstrncmp_#t~mem11#1; 1884#L527-1 cstrncmp_#t~pre12#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 1885#L527-2 assume !!(0 != cstrncmp_#t~pre12#1 % 4294967296);havoc cstrncmp_#t~pre12#1; 1881#L527-4 [2024-10-31 21:57:01,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:01,003 INFO L85 PathProgramCache]: Analyzing trace with hash 577420407, now seen corresponding path program 1 times [2024-10-31 21:57:01,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:01,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793343010] [2024-10-31 21:57:01,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:01,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:01,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:01,103 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:01,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:01,104 INFO L85 PathProgramCache]: Analyzing trace with hash 118492775, now seen corresponding path program 1 times [2024-10-31 21:57:01,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:01,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119185163] [2024-10-31 21:57:01,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:01,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:01,121 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:01,131 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:01,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:01,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1867951025, now seen corresponding path program 1 times [2024-10-31 21:57:01,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:01,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411375819] [2024-10-31 21:57:01,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:01,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:01,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2024-10-31 21:57:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-31 21:57:01,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:01,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411375819] [2024-10-31 21:57:01,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411375819] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:57:01,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696411164] [2024-10-31 21:57:01,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:01,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:57:01,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:01,448 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:57:01,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2024-10-31 21:57:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:01,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-10-31 21:57:01,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:01,710 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 [2024-10-31 21:57:01,712 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 [2024-10-31 21:57:01,936 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 16 treesize of output 8 [2024-10-31 21:57:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 21:57:01,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:57:02,237 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 20 treesize of output 18 [2024-10-31 21:57:02,241 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 30 treesize of output 26 [2024-10-31 21:57:02,339 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 21:57:02,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696411164] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:57:02,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:57:02,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 14, 14] total 29 [2024-10-31 21:57:02,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267885849] [2024-10-31 21:57:02,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:57:02,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:02,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-31 21:57:02,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2024-10-31 21:57:02,562 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. cyclomatic complexity: 11 Second operand has 29 states, 29 states have (on average 2.8275862068965516) internal successors, (82), 29 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:03,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:57:03,448 INFO L93 Difference]: Finished difference Result 143 states and 157 transitions. [2024-10-31 21:57:03,448 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 143 states and 157 transitions. [2024-10-31 21:57:03,450 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 21:57:03,451 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 143 states to 92 states and 102 transitions. [2024-10-31 21:57:03,451 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2024-10-31 21:57:03,452 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2024-10-31 21:57:03,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 102 transitions. [2024-10-31 21:57:03,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:57:03,452 INFO L218 hiAutomatonCegarLoop]: Abstraction has 92 states and 102 transitions. [2024-10-31 21:57:03,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 102 transitions. [2024-10-31 21:57:03,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 83. [2024-10-31 21:57:03,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.1204819277108433) internal successors, (93), 82 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:03,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 93 transitions. [2024-10-31 21:57:03,456 INFO L240 hiAutomatonCegarLoop]: Abstraction has 83 states and 93 transitions. [2024-10-31 21:57:03,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-31 21:57:03,457 INFO L425 stractBuchiCegarLoop]: Abstraction has 83 states and 93 transitions. [2024-10-31 21:57:03,457 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-10-31 21:57:03,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 93 transitions. [2024-10-31 21:57:03,458 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 21:57:03,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:03,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:03,459 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:03,459 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-31 21:57:03,459 INFO L745 eck$LassoCheckResult]: Stem: 2403#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2372#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet24#1, main_#t~post25#1, main_~i~0#1, main_#t~nondet26#1, main_#t~post27#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, 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~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 2373#L555 assume !(main_~length1~0#1 < 1); 2400#L555-2 assume !(main_~length2~0#1 < 1); 2367#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 2368#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 2395#L564-2 main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 2396#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 2405#L564-2 main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 2439#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet24#1;call write~int#1(main_#t~nondet24#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet24#1; 2438#L564-2 main_#t~post25#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 2437#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 2436#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 2435#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 2434#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 2433#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 2432#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 2430#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet26#1; 2422#L568-2 main_#t~post27#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post27#1;havoc main_#t~post27#1; 2421#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 2397#L568-4 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_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, cstrstr_#t~mem17#1, cstrstr_#t~ret18#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int#0(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 2398#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 2426#L518-4 call cstrlen_#t~mem2#1 := read~int#0(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2425#L518-1 assume !!(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1; 2424#L518-3 cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset; 2423#L518-4 call cstrlen_#t~mem2#1 := read~int#0(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2418#L518-1 assume !!(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1; 2419#L518-3 cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset; 2417#L518-4 call cstrlen_#t~mem2#1 := read~int#0(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2416#L518-1 assume !(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1; 2415#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := cstrlen_~s~0#1.offset - cstrlen_~str#1.offset; 2414#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;havoc cstrlen_#t~mem2#1, cstrlen_#t~pre3#1.base, cstrlen_#t~pre3#1.offset, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;havoc cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 2412#L542-4 goto; 2410#L543-2 cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post16#1.base, 1 + cstrstr_#t~post16#1.offset;call cstrstr_#t~mem17#1 := read~int#1(cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem17#1; 2402#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post16#1.base, cstrstr_#t~post16#1.offset;havoc cstrstr_#t~mem17#1; 2392#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 2393#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem5#1, cstrncmp_#t~post4#1.base, cstrncmp_#t~post4#1.offset, cstrncmp_#t~mem6#1, cstrncmp_#t~mem8#1, cstrncmp_#t~pre7#1.base, cstrncmp_#t~pre7#1.offset, cstrncmp_#t~mem9#1, cstrncmp_#t~post10#1.base, cstrncmp_#t~post10#1.offset, cstrncmp_#t~mem11#1, cstrncmp_#t~pre12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 2357#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 2358#L527-4 [2024-10-31 21:57:03,459 INFO L747 eck$LassoCheckResult]: Loop: 2358#L527-4 call cstrncmp_#t~mem5#1 := read~int#1(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post4#1.base, cstrncmp_#t~post4#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post4#1.base, 1 + cstrncmp_#t~post4#1.offset;call cstrncmp_#t~mem6#1 := read~int#0(cstrncmp_#t~post4#1.base, cstrncmp_#t~post4#1.offset, 1); 2379#L528 assume !(cstrncmp_#t~mem5#1 != cstrncmp_#t~mem6#1);havoc cstrncmp_#t~mem5#1;havoc cstrncmp_#t~post4#1.base, cstrncmp_#t~post4#1.offset;havoc cstrncmp_#t~mem6#1;cstrncmp_#t~post10#1.base, cstrncmp_#t~post10#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post10#1.base, 1 + cstrncmp_#t~post10#1.offset;call cstrncmp_#t~mem11#1 := read~int#1(cstrncmp_#t~post10#1.base, cstrncmp_#t~post10#1.offset, 1); 2376#L530 assume !(0 == cstrncmp_#t~mem11#1);havoc cstrncmp_#t~post10#1.base, cstrncmp_#t~post10#1.offset;havoc cstrncmp_#t~mem11#1; 2363#L527-1 cstrncmp_#t~pre12#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 2364#L527-2 assume !!(0 != cstrncmp_#t~pre12#1 % 4294967296);havoc cstrncmp_#t~pre12#1; 2358#L527-4 [2024-10-31 21:57:03,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:03,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1085107107, now seen corresponding path program 2 times [2024-10-31 21:57:03,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:03,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159805056] [2024-10-31 21:57:03,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:03,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 21:57:04,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:04,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159805056] [2024-10-31 21:57:04,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159805056] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:57:04,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169023599] [2024-10-31 21:57:04,132 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 21:57:04,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:57:04,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:04,133 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:57:04,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_646ca8af-ecaf-4ac2-9754-11de1492f79d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Waiting until timeout for monitored process [2024-10-31 21:57:04,288 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 21:57:04,288 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:57:04,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-10-31 21:57:04,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:04,443 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 [2024-10-31 21:57:04,605 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 21:57:04,606 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:57:04,629 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 [2024-10-31 21:57:04,631 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 [2024-10-31 21:57:04,707 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 21:57:04,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169023599] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:57:04,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:57:04,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 25 [2024-10-31 21:57:04,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259014543] [2024-10-31 21:57:04,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:57:04,708 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:57:04,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:04,708 INFO L85 PathProgramCache]: Analyzing trace with hash 118492775, now seen corresponding path program 2 times [2024-10-31 21:57:04,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:04,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912684820] [2024-10-31 21:57:04,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:04,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:04,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:04,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:04,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:04,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-31 21:57:04,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2024-10-31 21:57:04,957 INFO L87 Difference]: Start difference. First operand 83 states and 93 transitions. cyclomatic complexity: 17 Second operand has 25 states, 25 states have (on average 2.32) internal successors, (58), 25 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)