./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b29c7049a333b10d890b8afae901738020ed1f084c2a7d471b316f0abdba3430 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:48:50,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:48:50,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 03:48:50,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:48:50,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:48:50,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:48:50,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:48:50,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:48:50,450 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:48:50,451 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:48:50,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:48:50,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:48:50,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:48:50,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:48:50,452 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:48:50,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:48:50,452 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:48:50,452 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:48:50,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:48:50,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:48:50,453 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:48:50,453 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:48:50,453 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 03:48:50,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:48:50,453 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:48:50,453 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:48:50,456 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:48:50,456 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:48:50,456 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:48:50,456 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:48:50,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:48:50,457 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:48:50,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:48:50,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:50,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:48:50,458 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:48:50,458 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:48:50,458 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:48:50,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:50,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:48:50,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:48:50,458 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:48:50,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:48:50,459 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:48:50,459 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:48:50,459 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:48:50,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:48:50,460 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> b29c7049a333b10d890b8afae901738020ed1f084c2a7d471b316f0abdba3430 [2024-11-28 03:48:50,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:48:50,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:48:50,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:48:50,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:48:50,856 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:48:50,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.i [2024-11-28 03:48:54,575 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/data/7fcc5a972/f9ac0bc1e2c84979b6764df21e738d97/FLAG3d06f122d [2024-11-28 03:48:55,067 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:48:55,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.i [2024-11-28 03:48:55,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/data/7fcc5a972/f9ac0bc1e2c84979b6764df21e738d97/FLAG3d06f122d [2024-11-28 03:48:55,109 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/data/7fcc5a972/f9ac0bc1e2c84979b6764df21e738d97 [2024-11-28 03:48:55,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:48:55,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:48:55,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:48:55,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:48:55,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:48:55,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:48:55" (1/1) ... [2024-11-28 03:48:55,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fef4a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:55, skipping insertion in model container [2024-11-28 03:48:55,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:48:55" (1/1) ... [2024-11-28 03:48:55,183 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:48:56,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:48:56,096 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:48:56,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:48:56,291 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:48:56,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:56 WrapperNode [2024-11-28 03:48:56,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:48:56,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:48:56,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:48:56,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:48:56,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:56" (1/1) ... [2024-11-28 03:48:56,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:56" (1/1) ... [2024-11-28 03:48:56,342 INFO L138 Inliner]: procedures = 370, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 177 [2024-11-28 03:48:56,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:48:56,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:48:56,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:48:56,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:48:56,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:56" (1/1) ... [2024-11-28 03:48:56,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:56" (1/1) ... [2024-11-28 03:48:56,359 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:56" (1/1) ... [2024-11-28 03:48:56,397 INFO L175 MemorySlicer]: Split 78 memory accesses to 3 slices as follows [50, 14, 14]. 64 percent of accesses are in the largest equivalence class. The 60 initializations are split as follows [50, 10, 0]. The 11 writes are split as follows [0, 1, 10]. [2024-11-28 03:48:56,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:56" (1/1) ... [2024-11-28 03:48:56,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:56" (1/1) ... [2024-11-28 03:48:56,417 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:56" (1/1) ... [2024-11-28 03:48:56,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:56" (1/1) ... [2024-11-28 03:48:56,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:56" (1/1) ... [2024-11-28 03:48:56,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:56" (1/1) ... [2024-11-28 03:48:56,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:56" (1/1) ... [2024-11-28 03:48:56,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:48:56,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:48:56,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:48:56,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:48:56,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:56" (1/1) ... [2024-11-28 03:48:56,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:56,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:56,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:48:56,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:48:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:48:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:48:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:48:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 03:48:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 03:48:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 03:48:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 03:48:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:48:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:48:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:48:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:48:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:48:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:48:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 03:48:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:48:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:48:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:48:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:48:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:48:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 03:48:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 03:48:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:48:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:48:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:48:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:48:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:48:56,515 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:48:56,750 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:48:56,752 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:48:57,307 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:48:57,308 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:48:57,791 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:48:57,791 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 03:48:57,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:48:57 BoogieIcfgContainer [2024-11-28 03:48:57,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:48:57,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:48:57,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:48:57,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:48:57,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:48:55" (1/3) ... [2024-11-28 03:48:57,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19588259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:48:57, skipping insertion in model container [2024-11-28 03:48:57,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:56" (2/3) ... [2024-11-28 03:48:57,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19588259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:48:57, skipping insertion in model container [2024-11-28 03:48:57,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:48:57" (3/3) ... [2024-11-28 03:48:57,805 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_17-arrayloop_nr.i [2024-11-28 03:48:57,826 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:48:57,828 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_17-arrayloop_nr.i that has 2 procedures, 73 locations, 1 initial locations, 3 loop locations, and 37 error locations. [2024-11-28 03:48:57,829 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:48:57,946 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 03:48:58,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 75 transitions, 154 flow [2024-11-28 03:48:58,093 INFO L124 PetriNetUnfolderBase]: 3/74 cut-off events. [2024-11-28 03:48:58,099 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:48:58,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 74 events. 3/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 241 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2024-11-28 03:48:58,106 INFO L82 GeneralOperation]: Start removeDead. Operand has 76 places, 75 transitions, 154 flow [2024-11-28 03:48:58,114 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 74 transitions, 151 flow [2024-11-28 03:48:58,125 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:48:58,150 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1bc6591, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:48:58,151 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-28 03:48:58,164 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:48:58,164 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-11-28 03:48:58,164 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:48:58,164 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:58,165 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-11-28 03:48:58,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2024-11-28 03:48:58,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:58,174 INFO L85 PathProgramCache]: Analyzing trace with hash 488191, now seen corresponding path program 1 times [2024-11-28 03:48:58,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:58,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53406717] [2024-11-28 03:48:58,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:58,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:58,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:58,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:58,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53406717] [2024-11-28 03:48:58,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53406717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:58,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:58,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:58,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825960923] [2024-11-28 03:48:58,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:58,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:58,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:58,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:58,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:58,898 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 75 [2024-11-28 03:48:58,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 74 transitions, 151 flow. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:58,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:58,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 75 [2024-11-28 03:48:58,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:59,298 INFO L124 PetriNetUnfolderBase]: 142/528 cut-off events. [2024-11-28 03:48:59,298 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:48:59,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 820 conditions, 528 events. 142/528 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3281 event pairs, 99 based on Foata normal form. 0/402 useless extension candidates. Maximal degree in co-relation 797. Up to 246 conditions per place. [2024-11-28 03:48:59,311 INFO L140 encePairwiseOnDemand]: 67/75 looper letters, 37 selfloop transitions, 4 changer transitions 0/80 dead transitions. [2024-11-28 03:48:59,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 80 transitions, 245 flow [2024-11-28 03:48:59,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:59,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:59,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2024-11-28 03:48:59,336 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2024-11-28 03:48:59,338 INFO L175 Difference]: Start difference. First operand has 75 places, 74 transitions, 151 flow. Second operand 3 states and 165 transitions. [2024-11-28 03:48:59,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 80 transitions, 245 flow [2024-11-28 03:48:59,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 80 transitions, 244 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:48:59,355 INFO L231 Difference]: Finished difference. Result has 72 places, 70 transitions, 150 flow [2024-11-28 03:48:59,359 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=72, PETRI_TRANSITIONS=70} [2024-11-28 03:48:59,367 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, -3 predicate places. [2024-11-28 03:48:59,367 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 70 transitions, 150 flow [2024-11-28 03:48:59,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:59,368 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:59,368 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-11-28 03:48:59,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:48:59,368 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2024-11-28 03:48:59,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:59,369 INFO L85 PathProgramCache]: Analyzing trace with hash 488192, now seen corresponding path program 1 times [2024-11-28 03:48:59,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:59,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130619649] [2024-11-28 03:48:59,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:59,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:59,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:59,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:59,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130619649] [2024-11-28 03:48:59,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130619649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:59,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:59,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:59,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500010065] [2024-11-28 03:48:59,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:59,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:59,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:59,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:59,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:59,788 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 75 [2024-11-28 03:48:59,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 70 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:59,789 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:59,789 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 75 [2024-11-28 03:48:59,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:49:00,086 INFO L124 PetriNetUnfolderBase]: 132/496 cut-off events. [2024-11-28 03:49:00,087 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-28 03:49:00,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 789 conditions, 496 events. 132/496 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3029 event pairs, 99 based on Foata normal form. 22/393 useless extension candidates. Maximal degree in co-relation 767. Up to 246 conditions per place. [2024-11-28 03:49:00,098 INFO L140 encePairwiseOnDemand]: 67/75 looper letters, 35 selfloop transitions, 4 changer transitions 0/76 dead transitions. [2024-11-28 03:49:00,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 76 transitions, 240 flow [2024-11-28 03:49:00,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:49:00,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:49:00,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 169 transitions. [2024-11-28 03:49:00,102 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7511111111111111 [2024-11-28 03:49:00,102 INFO L175 Difference]: Start difference. First operand has 72 places, 70 transitions, 150 flow. Second operand 3 states and 169 transitions. [2024-11-28 03:49:00,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 76 transitions, 240 flow [2024-11-28 03:49:00,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 76 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:49:00,109 INFO L231 Difference]: Finished difference. Result has 68 places, 66 transitions, 142 flow [2024-11-28 03:49:00,109 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=68, PETRI_TRANSITIONS=66} [2024-11-28 03:49:00,110 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, -7 predicate places. [2024-11-28 03:49:00,110 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 66 transitions, 142 flow [2024-11-28 03:49:00,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:00,112 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:49:00,112 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 03:49:00,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:49:00,113 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2024-11-28 03:49:00,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:00,117 INFO L85 PathProgramCache]: Analyzing trace with hash 469165766, now seen corresponding path program 1 times [2024-11-28 03:49:00,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:00,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126347041] [2024-11-28 03:49:00,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:00,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:00,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:49:00,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:00,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126347041] [2024-11-28 03:49:00,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126347041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:00,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:49:00,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:49:00,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438416111] [2024-11-28 03:49:00,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:00,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:49:00,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:00,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:49:00,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:49:00,785 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 75 [2024-11-28 03:49:00,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 66 transitions, 142 flow. Second operand has 6 states, 6 states have (on average 39.833333333333336) internal successors, (239), 6 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:00,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:49:00,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 75 [2024-11-28 03:49:00,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:49:01,042 INFO L124 PetriNetUnfolderBase]: 152/522 cut-off events. [2024-11-28 03:49:01,043 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-28 03:49:01,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 856 conditions, 522 events. 152/522 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 3089 event pairs, 126 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 834. Up to 307 conditions per place. [2024-11-28 03:49:01,049 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 31 selfloop transitions, 1 changer transitions 0/62 dead transitions. [2024-11-28 03:49:01,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 62 transitions, 198 flow [2024-11-28 03:49:01,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:49:01,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:49:01,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 153 transitions. [2024-11-28 03:49:01,056 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.68 [2024-11-28 03:49:01,056 INFO L175 Difference]: Start difference. First operand has 68 places, 66 transitions, 142 flow. Second operand 3 states and 153 transitions. [2024-11-28 03:49:01,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 62 transitions, 198 flow [2024-11-28 03:49:01,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 62 transitions, 190 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:49:01,062 INFO L231 Difference]: Finished difference. Result has 64 places, 62 transitions, 128 flow [2024-11-28 03:49:01,062 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=64, PETRI_TRANSITIONS=62} [2024-11-28 03:49:01,063 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, -11 predicate places. [2024-11-28 03:49:01,064 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 62 transitions, 128 flow [2024-11-28 03:49:01,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.833333333333336) internal successors, (239), 6 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:01,065 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:49:01,065 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 03:49:01,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:49:01,065 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2024-11-28 03:49:01,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:01,067 INFO L85 PathProgramCache]: Analyzing trace with hash 469165767, now seen corresponding path program 1 times [2024-11-28 03:49:01,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:01,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864907210] [2024-11-28 03:49:01,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:01,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:49:01,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:01,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864907210] [2024-11-28 03:49:01,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864907210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:01,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:49:01,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:49:01,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312519356] [2024-11-28 03:49:01,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:01,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:49:01,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:01,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:49:01,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:49:01,865 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 75 [2024-11-28 03:49:01,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 62 transitions, 128 flow. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:01,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:49:01,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 75 [2024-11-28 03:49:01,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:49:02,210 INFO L124 PetriNetUnfolderBase]: 152/525 cut-off events. [2024-11-28 03:49:02,211 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:49:02,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 841 conditions, 525 events. 152/525 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 3114 event pairs, 126 based on Foata normal form. 0/401 useless extension candidates. Maximal degree in co-relation 835. Up to 308 conditions per place. [2024-11-28 03:49:02,217 INFO L140 encePairwiseOnDemand]: 69/75 looper letters, 31 selfloop transitions, 4 changer transitions 0/65 dead transitions. [2024-11-28 03:49:02,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 65 transitions, 204 flow [2024-11-28 03:49:02,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:49:02,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 03:49:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 177 transitions. [2024-11-28 03:49:02,220 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.59 [2024-11-28 03:49:02,220 INFO L175 Difference]: Start difference. First operand has 64 places, 62 transitions, 128 flow. Second operand 4 states and 177 transitions. [2024-11-28 03:49:02,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 65 transitions, 204 flow [2024-11-28 03:49:02,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 65 transitions, 203 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:49:02,230 INFO L231 Difference]: Finished difference. Result has 68 places, 65 transitions, 157 flow [2024-11-28 03:49:02,230 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=157, PETRI_PLACES=68, PETRI_TRANSITIONS=65} [2024-11-28 03:49:02,231 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, -7 predicate places. [2024-11-28 03:49:02,231 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 65 transitions, 157 flow [2024-11-28 03:49:02,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:02,231 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:49:02,232 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1] [2024-11-28 03:49:02,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:49:02,232 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2024-11-28 03:49:02,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:02,233 INFO L85 PathProgramCache]: Analyzing trace with hash -436732509, now seen corresponding path program 1 times [2024-11-28 03:49:02,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:02,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563541297] [2024-11-28 03:49:02,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:02,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:02,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:49:02,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:02,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563541297] [2024-11-28 03:49:02,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563541297] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:49:02,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872202146] [2024-11-28 03:49:02,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:02,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:02,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:49:02,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:49:02,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:49:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:03,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 03:49:03,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:49:03,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:49:03,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-28 03:49:03,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:49:03,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-28 03:49:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:49:03,517 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:49:03,813 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:49:03,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 61 [2024-11-28 03:49:04,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:49:04,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872202146] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:49:04,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:49:04,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 13 [2024-11-28 03:49:04,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194013545] [2024-11-28 03:49:04,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:49:04,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 03:49:04,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:04,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 03:49:04,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:49:06,102 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 75 [2024-11-28 03:49:06,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 65 transitions, 157 flow. Second operand has 15 states, 15 states have (on average 35.4) internal successors, (531), 15 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:06,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:49:06,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 75 [2024-11-28 03:49:06,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:49:07,062 INFO L124 PetriNetUnfolderBase]: 174/550 cut-off events. [2024-11-28 03:49:07,062 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-28 03:49:07,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 948 conditions, 550 events. 174/550 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3122 event pairs, 0 based on Foata normal form. 0/455 useless extension candidates. Maximal degree in co-relation 939. Up to 188 conditions per place. [2024-11-28 03:49:07,066 INFO L140 encePairwiseOnDemand]: 65/75 looper letters, 59 selfloop transitions, 11 changer transitions 0/99 dead transitions. [2024-11-28 03:49:07,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 99 transitions, 391 flow [2024-11-28 03:49:07,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:49:07,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 03:49:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 313 transitions. [2024-11-28 03:49:07,118 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5961904761904762 [2024-11-28 03:49:07,118 INFO L175 Difference]: Start difference. First operand has 68 places, 65 transitions, 157 flow. Second operand 7 states and 313 transitions. [2024-11-28 03:49:07,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 99 transitions, 391 flow [2024-11-28 03:49:07,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 99 transitions, 389 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:49:07,121 INFO L231 Difference]: Finished difference. Result has 76 places, 71 transitions, 229 flow [2024-11-28 03:49:07,123 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=229, PETRI_PLACES=76, PETRI_TRANSITIONS=71} [2024-11-28 03:49:07,124 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 1 predicate places. [2024-11-28 03:49:07,124 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 71 transitions, 229 flow [2024-11-28 03:49:07,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 35.4) internal successors, (531), 15 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:07,125 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:49:07,125 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:07,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:49:07,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:07,330 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2024-11-28 03:49:07,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:07,331 INFO L85 PathProgramCache]: Analyzing trace with hash 702455720, now seen corresponding path program 1 times [2024-11-28 03:49:07,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:07,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107474208] [2024-11-28 03:49:07,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:07,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:49:07,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:07,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107474208] [2024-11-28 03:49:07,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107474208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:07,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:49:07,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:49:07,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558600286] [2024-11-28 03:49:07,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:07,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:49:07,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:07,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:49:07,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:49:07,468 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 75 [2024-11-28 03:49:07,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 71 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:07,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:49:07,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 75 [2024-11-28 03:49:07,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:49:07,764 INFO L124 PetriNetUnfolderBase]: 254/916 cut-off events. [2024-11-28 03:49:07,764 INFO L125 PetriNetUnfolderBase]: For 90/90 co-relation queries the response was YES. [2024-11-28 03:49:07,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1611 conditions, 916 events. 254/916 cut-off events. For 90/90 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 5547 event pairs, 153 based on Foata normal form. 10/742 useless extension candidates. Maximal degree in co-relation 1597. Up to 300 conditions per place. [2024-11-28 03:49:07,774 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 53 selfloop transitions, 6 changer transitions 0/91 dead transitions. [2024-11-28 03:49:07,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 91 transitions, 393 flow [2024-11-28 03:49:07,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:49:07,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:49:07,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 191 transitions. [2024-11-28 03:49:07,776 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8488888888888889 [2024-11-28 03:49:07,776 INFO L175 Difference]: Start difference. First operand has 76 places, 71 transitions, 229 flow. Second operand 3 states and 191 transitions. [2024-11-28 03:49:07,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 91 transitions, 393 flow [2024-11-28 03:49:07,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 91 transitions, 385 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-11-28 03:49:07,782 INFO L231 Difference]: Finished difference. Result has 78 places, 72 transitions, 248 flow [2024-11-28 03:49:07,783 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=78, PETRI_TRANSITIONS=72} [2024-11-28 03:49:07,785 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 3 predicate places. [2024-11-28 03:49:07,785 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 72 transitions, 248 flow [2024-11-28 03:49:07,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:07,785 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:49:07,785 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:07,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:49:07,786 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2024-11-28 03:49:07,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:07,787 INFO L85 PathProgramCache]: Analyzing trace with hash 796562441, now seen corresponding path program 1 times [2024-11-28 03:49:07,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:07,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122178525] [2024-11-28 03:49:07,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:07,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:07,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:49:07,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:07,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122178525] [2024-11-28 03:49:07,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122178525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:49:07,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490630786] [2024-11-28 03:49:07,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:07,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:07,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:49:07,929 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:49:07,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:49:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:08,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:49:08,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:49:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:49:08,155 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:49:08,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:49:08,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490630786] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:49:08,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:49:08,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-28 03:49:08,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278939690] [2024-11-28 03:49:08,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:49:08,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:49:08,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:08,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:49:08,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:49:08,250 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 75 [2024-11-28 03:49:08,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 72 transitions, 248 flow. Second operand has 9 states, 9 states have (on average 47.666666666666664) internal successors, (429), 9 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:08,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:49:08,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 75 [2024-11-28 03:49:08,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:49:09,245 INFO L124 PetriNetUnfolderBase]: 702/2307 cut-off events. [2024-11-28 03:49:09,245 INFO L125 PetriNetUnfolderBase]: For 221/221 co-relation queries the response was YES. [2024-11-28 03:49:09,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4077 conditions, 2307 events. 702/2307 cut-off events. For 221/221 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 13132 event pairs, 27 based on Foata normal form. 50/1982 useless extension candidates. Maximal degree in co-relation 4061. Up to 234 conditions per place. [2024-11-28 03:49:09,268 INFO L140 encePairwiseOnDemand]: 67/75 looper letters, 146 selfloop transitions, 16 changer transitions 0/193 dead transitions. [2024-11-28 03:49:09,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 193 transitions, 869 flow [2024-11-28 03:49:09,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:49:09,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-28 03:49:09,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 531 transitions. [2024-11-28 03:49:09,271 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.885 [2024-11-28 03:49:09,271 INFO L175 Difference]: Start difference. First operand has 78 places, 72 transitions, 248 flow. Second operand 8 states and 531 transitions. [2024-11-28 03:49:09,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 193 transitions, 869 flow [2024-11-28 03:49:09,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 193 transitions, 863 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-28 03:49:09,279 INFO L231 Difference]: Finished difference. Result has 90 places, 77 transitions, 350 flow [2024-11-28 03:49:09,279 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=350, PETRI_PLACES=90, PETRI_TRANSITIONS=77} [2024-11-28 03:49:09,280 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 15 predicate places. [2024-11-28 03:49:09,280 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 77 transitions, 350 flow [2024-11-28 03:49:09,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 47.666666666666664) internal successors, (429), 9 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:09,281 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:49:09,281 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 4, 1, 1] [2024-11-28 03:49:09,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:49:09,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:09,485 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2024-11-28 03:49:09,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:09,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1700893129, now seen corresponding path program 2 times [2024-11-28 03:49:09,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:09,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125778388] [2024-11-28 03:49:09,487 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:49:09,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:09,663 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:49:09,664 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:49:11,165 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:49:11,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:11,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125778388] [2024-11-28 03:49:11,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125778388] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:49:11,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772719943] [2024-11-28 03:49:11,165 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:49:11,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:11,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:49:11,170 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:49:11,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:49:11,430 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:49:11,430 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:49:11,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-28 03:49:11,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:49:11,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:49:11,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-28 03:49:11,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:49:11,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-28 03:49:11,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:49:11,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-28 03:49:12,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:49:12,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-28 03:49:12,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:49:12,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-28 03:49:12,234 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:49:12,234 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:49:12,446 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:49:12,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 61 [2024-11-28 03:49:12,722 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:49:12,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 61 [2024-11-28 03:49:13,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:49:13,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 61 [2024-11-28 03:49:13,314 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:49:13,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 61 [2024-11-28 03:49:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:49:13,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772719943] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:49:13,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:49:13,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 31 [2024-11-28 03:49:13,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322984519] [2024-11-28 03:49:13,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:49:13,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-28 03:49:13,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:13,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-28 03:49:13,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=858, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 03:49:23,850 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 75 [2024-11-28 03:49:23,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 77 transitions, 350 flow. Second operand has 33 states, 33 states have (on average 35.45454545454545) internal successors, (1170), 33 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:23,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:49:23,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 75 [2024-11-28 03:49:23,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:49:26,792 INFO L124 PetriNetUnfolderBase]: 806/2516 cut-off events. [2024-11-28 03:49:26,792 INFO L125 PetriNetUnfolderBase]: For 796/796 co-relation queries the response was YES. [2024-11-28 03:49:26,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4960 conditions, 2516 events. 806/2516 cut-off events. For 796/796 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 14581 event pairs, 0 based on Foata normal form. 6/2127 useless extension candidates. Maximal degree in co-relation 4937. Up to 855 conditions per place. [2024-11-28 03:49:26,816 INFO L140 encePairwiseOnDemand]: 67/75 looper letters, 93 selfloop transitions, 26 changer transitions 0/149 dead transitions. [2024-11-28 03:49:26,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 149 transitions, 930 flow [2024-11-28 03:49:26,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:49:26,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-28 03:49:26,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 596 transitions. [2024-11-28 03:49:26,824 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5676190476190476 [2024-11-28 03:49:26,825 INFO L175 Difference]: Start difference. First operand has 90 places, 77 transitions, 350 flow. Second operand 14 states and 596 transitions. [2024-11-28 03:49:26,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 149 transitions, 930 flow [2024-11-28 03:49:26,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 149 transitions, 912 flow, removed 5 selfloop flow, removed 1 redundant places. [2024-11-28 03:49:26,840 INFO L231 Difference]: Finished difference. Result has 110 places, 88 transitions, 525 flow [2024-11-28 03:49:26,841 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=525, PETRI_PLACES=110, PETRI_TRANSITIONS=88} [2024-11-28 03:49:26,843 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 35 predicate places. [2024-11-28 03:49:26,843 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 88 transitions, 525 flow [2024-11-28 03:49:26,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 35.45454545454545) internal successors, (1170), 33 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:26,845 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:49:26,845 INFO L206 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:26,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:49:27,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:27,049 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2024-11-28 03:49:27,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:27,049 INFO L85 PathProgramCache]: Analyzing trace with hash -564066663, now seen corresponding path program 2 times [2024-11-28 03:49:27,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:27,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882483760] [2024-11-28 03:49:27,050 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:49:27,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:27,091 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:49:27,092 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:49:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-28 03:49:27,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:27,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882483760] [2024-11-28 03:49:27,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882483760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:27,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:49:27,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:49:27,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368979730] [2024-11-28 03:49:27,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:27,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:49:27,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:27,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:49:27,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:49:27,228 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 75 [2024-11-28 03:49:27,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 88 transitions, 525 flow. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:27,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:49:27,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 75 [2024-11-28 03:49:27,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:49:27,930 INFO L124 PetriNetUnfolderBase]: 685/2488 cut-off events. [2024-11-28 03:49:27,930 INFO L125 PetriNetUnfolderBase]: For 1467/1467 co-relation queries the response was YES. [2024-11-28 03:49:27,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4897 conditions, 2488 events. 685/2488 cut-off events. For 1467/1467 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 15214 event pairs, 504 based on Foata normal form. 68/2129 useless extension candidates. Maximal degree in co-relation 4865. Up to 1260 conditions per place. [2024-11-28 03:49:27,952 INFO L140 encePairwiseOnDemand]: 71/75 looper letters, 75 selfloop transitions, 2 changer transitions 0/108 dead transitions. [2024-11-28 03:49:27,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 108 transitions, 831 flow [2024-11-28 03:49:27,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:49:27,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:49:27,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2024-11-28 03:49:27,954 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7822222222222223 [2024-11-28 03:49:27,954 INFO L175 Difference]: Start difference. First operand has 110 places, 88 transitions, 525 flow. Second operand 3 states and 176 transitions. [2024-11-28 03:49:27,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 108 transitions, 831 flow [2024-11-28 03:49:27,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 108 transitions, 781 flow, removed 12 selfloop flow, removed 5 redundant places. [2024-11-28 03:49:27,967 INFO L231 Difference]: Finished difference. Result has 105 places, 86 transitions, 482 flow [2024-11-28 03:49:27,968 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=105, PETRI_TRANSITIONS=86} [2024-11-28 03:49:27,969 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 30 predicate places. [2024-11-28 03:49:27,969 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 86 transitions, 482 flow [2024-11-28 03:49:27,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:27,971 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:49:27,972 INFO L206 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:27,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:49:27,972 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2024-11-28 03:49:27,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:27,972 INFO L85 PathProgramCache]: Analyzing trace with hash -564066664, now seen corresponding path program 1 times [2024-11-28 03:49:27,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:27,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668812837] [2024-11-28 03:49:27,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:27,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-28 03:49:28,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:28,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668812837] [2024-11-28 03:49:28,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668812837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:28,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:49:28,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:49:28,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273456837] [2024-11-28 03:49:28,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:28,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:49:28,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:28,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:49:28,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:49:28,297 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 75 [2024-11-28 03:49:28,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 86 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:28,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:49:28,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 75 [2024-11-28 03:49:28,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:49:28,959 INFO L124 PetriNetUnfolderBase]: 752/2419 cut-off events. [2024-11-28 03:49:28,960 INFO L125 PetriNetUnfolderBase]: For 1435/1435 co-relation queries the response was YES. [2024-11-28 03:49:28,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5089 conditions, 2419 events. 752/2419 cut-off events. For 1435/1435 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 13964 event pairs, 504 based on Foata normal form. 68/2128 useless extension candidates. Maximal degree in co-relation 5057. Up to 1260 conditions per place. [2024-11-28 03:49:28,992 INFO L140 encePairwiseOnDemand]: 71/75 looper letters, 76 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2024-11-28 03:49:28,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 106 transitions, 783 flow [2024-11-28 03:49:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:49:28,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:49:28,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 174 transitions. [2024-11-28 03:49:28,994 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7733333333333333 [2024-11-28 03:49:28,994 INFO L175 Difference]: Start difference. First operand has 105 places, 86 transitions, 482 flow. Second operand 3 states and 174 transitions. [2024-11-28 03:49:28,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 106 transitions, 783 flow [2024-11-28 03:49:29,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 106 transitions, 779 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:49:29,008 INFO L231 Difference]: Finished difference. Result has 103 places, 84 transitions, 478 flow [2024-11-28 03:49:29,009 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=103, PETRI_TRANSITIONS=84} [2024-11-28 03:49:29,010 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 28 predicate places. [2024-11-28 03:49:29,011 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 84 transitions, 478 flow [2024-11-28 03:49:29,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:29,011 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:49:29,011 INFO L206 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:29,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:49:29,012 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2024-11-28 03:49:29,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:29,013 INFO L85 PathProgramCache]: Analyzing trace with hash -902168935, now seen corresponding path program 1 times [2024-11-28 03:49:29,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:29,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507399427] [2024-11-28 03:49:29,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:29,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:49:29,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:29,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507399427] [2024-11-28 03:49:29,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507399427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:49:29,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892653040] [2024-11-28 03:49:29,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:29,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:29,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:49:29,349 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:49:29,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:49:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:29,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:49:29,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:49:29,727 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:49:29,727 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:49:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:49:29,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892653040] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:49:29,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:49:29,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-11-28 03:49:29,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352748844] [2024-11-28 03:49:29,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:49:29,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:49:29,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:29,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:49:29,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:49:29,903 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 75 [2024-11-28 03:49:29,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 84 transitions, 478 flow. Second operand has 13 states, 13 states have (on average 48.07692307692308) internal successors, (625), 13 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:29,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:49:29,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 75 [2024-11-28 03:49:29,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:49:31,512 INFO L124 PetriNetUnfolderBase]: 1142/3757 cut-off events. [2024-11-28 03:49:31,512 INFO L125 PetriNetUnfolderBase]: For 2013/2013 co-relation queries the response was YES. [2024-11-28 03:49:31,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7421 conditions, 3757 events. 1142/3757 cut-off events. For 2013/2013 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 21514 event pairs, 27 based on Foata normal form. 44/3193 useless extension candidates. Maximal degree in co-relation 7389. Up to 235 conditions per place. [2024-11-28 03:49:31,565 INFO L140 encePairwiseOnDemand]: 67/75 looper letters, 234 selfloop transitions, 25 changer transitions 0/286 dead transitions. [2024-11-28 03:49:31,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 286 transitions, 1603 flow [2024-11-28 03:49:31,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:49:31,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-28 03:49:31,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 806 transitions. [2024-11-28 03:49:31,569 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8955555555555555 [2024-11-28 03:49:31,569 INFO L175 Difference]: Start difference. First operand has 103 places, 84 transitions, 478 flow. Second operand 12 states and 806 transitions. [2024-11-28 03:49:31,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 286 transitions, 1603 flow [2024-11-28 03:49:31,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 286 transitions, 1557 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 03:49:31,589 INFO L231 Difference]: Finished difference. Result has 117 places, 86 transitions, 592 flow [2024-11-28 03:49:31,590 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=592, PETRI_PLACES=117, PETRI_TRANSITIONS=86} [2024-11-28 03:49:31,592 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 42 predicate places. [2024-11-28 03:49:31,593 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 86 transitions, 592 flow [2024-11-28 03:49:31,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 48.07692307692308) internal successors, (625), 13 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:49:31,593 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:49:31,594 INFO L206 CegarLoopForPetriNet]: trace histogram [11, 11, 11, 10, 1, 1] [2024-11-28 03:49:31,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:49:31,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:31,795 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2024-11-28 03:49:31,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:31,795 INFO L85 PathProgramCache]: Analyzing trace with hash -316697249, now seen corresponding path program 3 times [2024-11-28 03:49:31,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:31,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843870723] [2024-11-28 03:49:31,796 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:49:31,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:32,109 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-28 03:49:32,109 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:49:32,659 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 183 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:49:32,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:32,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843870723] [2024-11-28 03:49:32,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843870723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:49:32,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235535335] [2024-11-28 03:49:32,660 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:49:32,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:32,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:49:32,663 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:49:32,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:50:26,651 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-28 03:50:26,651 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:50:26,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 03:50:26,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:26,770 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:50:26,770 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:50:26,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235535335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:50:26,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:50:26,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 13 [2024-11-28 03:50:26,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258849599] [2024-11-28 03:50:26,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:50:26,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:50:26,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:50:26,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:50:26,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:50:26,828 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 75 [2024-11-28 03:50:26,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 86 transitions, 592 flow. Second operand has 13 states, 13 states have (on average 47.53846153846154) internal successors, (618), 13 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:26,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:50:26,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 75 [2024-11-28 03:50:26,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:50:28,290 INFO L124 PetriNetUnfolderBase]: 1131/3742 cut-off events. [2024-11-28 03:50:28,290 INFO L125 PetriNetUnfolderBase]: For 2240/2240 co-relation queries the response was YES. [2024-11-28 03:50:28,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7382 conditions, 3742 events. 1131/3742 cut-off events. For 2240/2240 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 21462 event pairs, 18 based on Foata normal form. 11/3145 useless extension candidates. Maximal degree in co-relation 7344. Up to 228 conditions per place. [2024-11-28 03:50:28,320 INFO L140 encePairwiseOnDemand]: 68/75 looper letters, 242 selfloop transitions, 23 changer transitions 1/292 dead transitions. [2024-11-28 03:50:28,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 292 transitions, 1639 flow [2024-11-28 03:50:28,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:50:28,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-28 03:50:28,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 853 transitions. [2024-11-28 03:50:28,327 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8748717948717949 [2024-11-28 03:50:28,327 INFO L175 Difference]: Start difference. First operand has 117 places, 86 transitions, 592 flow. Second operand 13 states and 853 transitions. [2024-11-28 03:50:28,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 292 transitions, 1639 flow [2024-11-28 03:50:28,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 292 transitions, 1537 flow, removed 0 selfloop flow, removed 15 redundant places. [2024-11-28 03:50:28,348 INFO L231 Difference]: Finished difference. Result has 113 places, 82 transitions, 503 flow [2024-11-28 03:50:28,349 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=457, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=503, PETRI_PLACES=113, PETRI_TRANSITIONS=82} [2024-11-28 03:50:28,350 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 38 predicate places. [2024-11-28 03:50:28,350 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 82 transitions, 503 flow [2024-11-28 03:50:28,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.53846153846154) internal successors, (618), 13 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:28,351 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:50:28,351 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:28,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:50:28,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:50:28,552 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2024-11-28 03:50:28,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:28,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1526656297, now seen corresponding path program 2 times [2024-11-28 03:50:28,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:50:28,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933853751] [2024-11-28 03:50:28,553 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:50:28,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:28,664 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:50:28,665 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:50:29,635 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 144 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:50:29,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:50:29,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933853751] [2024-11-28 03:50:29,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933853751] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:50:29,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368387388] [2024-11-28 03:50:29,636 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:50:29,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:50:29,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:29,639 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:50:29,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:50:30,117 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:50:30,117 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:50:30,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 03:50:30,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:30,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:50:30,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 03:50:30,444 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-28 03:50:30,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-28 03:50:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 180 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:50:30,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:50:30,763 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 52 treesize of output 48 [2024-11-28 03:50:30,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:50:30,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 64 [2024-11-28 03:50:31,298 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 180 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:50:31,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368387388] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:50:31,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:50:31,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 29 [2024-11-28 03:50:31,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115021621] [2024-11-28 03:50:31,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:50:31,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-28 03:50:31,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:50:31,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-28 03:50:31,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=674, Unknown=0, NotChecked=0, Total=930 [2024-11-28 03:50:33,488 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 75 [2024-11-28 03:50:33,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 82 transitions, 503 flow. Second operand has 31 states, 31 states have (on average 40.67741935483871) internal successors, (1261), 31 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:33,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:50:33,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 75 [2024-11-28 03:50:33,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:50:39,360 INFO L124 PetriNetUnfolderBase]: 2713/8822 cut-off events. [2024-11-28 03:50:39,360 INFO L125 PetriNetUnfolderBase]: For 4214/4214 co-relation queries the response was YES. [2024-11-28 03:50:39,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16600 conditions, 8822 events. 2713/8822 cut-off events. For 4214/4214 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 65656 event pairs, 98 based on Foata normal form. 114/7394 useless extension candidates. Maximal degree in co-relation 16571. Up to 342 conditions per place. [2024-11-28 03:50:39,415 INFO L140 encePairwiseOnDemand]: 63/75 looper letters, 627 selfloop transitions, 120 changer transitions 2/775 dead transitions. [2024-11-28 03:50:39,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 775 transitions, 3931 flow [2024-11-28 03:50:39,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-28 03:50:39,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2024-11-28 03:50:39,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 2530 transitions. [2024-11-28 03:50:39,429 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2024-11-28 03:50:39,429 INFO L175 Difference]: Start difference. First operand has 113 places, 82 transitions, 503 flow. Second operand 46 states and 2530 transitions. [2024-11-28 03:50:39,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 775 transitions, 3931 flow [2024-11-28 03:50:39,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 775 transitions, 3813 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-11-28 03:50:39,458 INFO L231 Difference]: Finished difference. Result has 190 places, 179 transitions, 1487 flow [2024-11-28 03:50:39,459 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=457, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=46, PETRI_FLOW=1487, PETRI_PLACES=190, PETRI_TRANSITIONS=179} [2024-11-28 03:50:39,460 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 115 predicate places. [2024-11-28 03:50:39,461 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 179 transitions, 1487 flow [2024-11-28 03:50:39,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 40.67741935483871) internal successors, (1261), 31 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:39,463 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:50:39,463 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:39,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:50:39,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 03:50:39,668 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2024-11-28 03:50:39,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:39,669 INFO L85 PathProgramCache]: Analyzing trace with hash -253111873, now seen corresponding path program 1 times [2024-11-28 03:50:39,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:50:39,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94065908] [2024-11-28 03:50:39,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:39,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 144 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:50:40,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:50:40,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94065908] [2024-11-28 03:50:40,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94065908] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:50:40,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498810296] [2024-11-28 03:50:40,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:40,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:50:40,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:40,581 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:50:40,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:50:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:41,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 03:50:41,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:41,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:50:41,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 03:50:41,241 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-28 03:50:41,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-28 03:50:41,270 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 180 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:50:41,270 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:50:41,522 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 52 treesize of output 48 [2024-11-28 03:50:41,547 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:50:41,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 64 [2024-11-28 03:50:41,987 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 180 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:50:41,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498810296] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:50:41,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:50:41,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 27 [2024-11-28 03:50:41,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348438867] [2024-11-28 03:50:41,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:50:41,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-28 03:50:41,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:50:41,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-28 03:50:41,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=534, Unknown=0, NotChecked=0, Total=812 [2024-11-28 03:50:43,762 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 75 [2024-11-28 03:50:43,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 179 transitions, 1487 flow. Second operand has 29 states, 29 states have (on average 36.758620689655174) internal successors, (1066), 29 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:43,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:50:43,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 75 [2024-11-28 03:50:43,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:50:47,733 INFO L124 PetriNetUnfolderBase]: 2784/8809 cut-off events. [2024-11-28 03:50:47,733 INFO L125 PetriNetUnfolderBase]: For 72229/72340 co-relation queries the response was YES. [2024-11-28 03:50:47,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29330 conditions, 8809 events. 2784/8809 cut-off events. For 72229/72340 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 64979 event pairs, 318 based on Foata normal form. 46/7398 useless extension candidates. Maximal degree in co-relation 29257. Up to 671 conditions per place. [2024-11-28 03:50:47,854 INFO L140 encePairwiseOnDemand]: 64/75 looper letters, 425 selfloop transitions, 83 changer transitions 1/535 dead transitions. [2024-11-28 03:50:47,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 535 transitions, 5373 flow [2024-11-28 03:50:47,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 03:50:47,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-28 03:50:47,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1104 transitions. [2024-11-28 03:50:47,858 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6690909090909091 [2024-11-28 03:50:47,859 INFO L175 Difference]: Start difference. First operand has 190 places, 179 transitions, 1487 flow. Second operand 22 states and 1104 transitions. [2024-11-28 03:50:47,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 535 transitions, 5373 flow [2024-11-28 03:50:48,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 535 transitions, 5282 flow, removed 0 selfloop flow, removed 10 redundant places. [2024-11-28 03:50:48,031 INFO L231 Difference]: Finished difference. Result has 203 places, 202 transitions, 1700 flow [2024-11-28 03:50:48,031 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=1396, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1700, PETRI_PLACES=203, PETRI_TRANSITIONS=202} [2024-11-28 03:50:48,032 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 128 predicate places. [2024-11-28 03:50:48,032 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 202 transitions, 1700 flow [2024-11-28 03:50:48,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 36.758620689655174) internal successors, (1066), 29 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:48,034 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:50:48,034 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:48,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 03:50:48,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:50:48,235 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 47 more)] === [2024-11-28 03:50:48,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:48,236 INFO L85 PathProgramCache]: Analyzing trace with hash 743467069, now seen corresponding path program 1 times [2024-11-28 03:50:48,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:50:48,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99652838] [2024-11-28 03:50:48,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:48,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:55,195 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 101 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:50:55,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:50:55,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99652838] [2024-11-28 03:50:55,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99652838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:50:55,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321918295] [2024-11-28 03:50:55,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:55,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:50:55,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:55,199 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:50:55,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e42d4771-ff36-479f-9832-90d14f49f8e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:50:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:55,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 1061 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-28 03:50:55,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:55,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-28 03:50:55,829 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 15 treesize of output 1 [2024-11-28 03:50:55,855 INFO L349 Elim1Store]: treesize reduction 30, result has 37.5 percent of original size [2024-11-28 03:50:55,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2024-11-28 03:50:55,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:50:55,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2024-11-28 03:50:56,045 INFO L349 Elim1Store]: treesize reduction 52, result has 34.2 percent of original size [2024-11-28 03:50:56,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 36 [2024-11-28 03:50:56,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:50:56,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2024-11-28 03:50:56,237 INFO L349 Elim1Store]: treesize reduction 52, result has 34.2 percent of original size [2024-11-28 03:50:56,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 36 [2024-11-28 03:50:56,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:50:56,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2024-11-28 03:50:56,412 INFO L349 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2024-11-28 03:50:56,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 26 [2024-11-28 03:50:56,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:50:56,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2024-11-28 03:50:56,599 INFO L349 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2024-11-28 03:50:56,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 26 [2024-11-28 03:50:56,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:50:56,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2024-11-28 03:50:56,776 INFO L349 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2024-11-28 03:50:56,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 26 [2024-11-28 03:50:56,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:50:56,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2024-11-28 03:50:56,980 INFO L349 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2024-11-28 03:50:56,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 26 [2024-11-28 03:50:57,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:50:57,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2024-11-28 03:50:57,208 INFO L349 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2024-11-28 03:50:57,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 26 [2024-11-28 03:50:57,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:50:57,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2024-11-28 03:50:57,409 INFO L349 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2024-11-28 03:50:57,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 26 [2024-11-28 03:50:57,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:50:57,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2024-11-28 03:50:57,721 INFO L349 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2024-11-28 03:50:57,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 26 [2024-11-28 03:50:57,815 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 25 treesize of output 13 [2024-11-28 03:50:57,866 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 144 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:50:57,866 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:51:06,062 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_new_~p~0#1.base_112| Int) (|ULTIMATE.start_main_#t~ret37#1.base| Int)) (= (select (store |c_#valid| |v_ULTIMATE.start_new_~p~0#1.base_112| 1) (select (store (select |c_#memory_$Pointer$#1.base| |c_~#slot~0.base|) (+ |c_~#slot~0.offset| (* |c_ULTIMATE.start_main_~j~0#1| 4)) |ULTIMATE.start_main_#t~ret37#1.base|) |c_~#slot~0.offset|)) 1)) is different from false [2024-11-28 03:51:15,461 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~ret37#1.base_86| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_88| Int) (|v_ULTIMATE.start_main_~j~0#1_203| Int) (|v_ULTIMATE.start_new_~p~0#1.base_113| Int) (|v_ULTIMATE.start_main_~j~0#1_202| Int) (|v_ULTIMATE.start_new_~p~0#1.base_112| Int) (|ULTIMATE.start_main_#t~ret37#1.base| Int)) (or (= (select (store (store |c_#valid| |v_ULTIMATE.start_new_~p~0#1.base_113| 1) |v_ULTIMATE.start_new_~p~0#1.base_112| 1) (select (store (store (store (select |c_#memory_$Pointer$#1.base| |c_~#slot~0.base|) (+ |c_~#slot~0.offset| (* |c_ULTIMATE.start_main_~j~0#1| 4)) |ULTIMATE.start_main_#t~ret37#1.base|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_203| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_88|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_202| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_86|) |c_~#slot~0.offset|)) 1) (< |v_ULTIMATE.start_main_~j~0#1_203| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (< |v_ULTIMATE.start_main_~j~0#1_202| (+ |v_ULTIMATE.start_main_~j~0#1_203| 1)))) is different from false [2024-11-28 03:51:18,844 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~ret37#1.base_86| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_88| Int) (|v_ULTIMATE.start_new_~p~0#1.base_114| Int) (|v_ULTIMATE.start_main_~j~0#1_203| Int) (|v_ULTIMATE.start_new_~p~0#1.base_113| Int) (|v_ULTIMATE.start_main_~j~0#1_202| Int) (|v_ULTIMATE.start_new_~p~0#1.base_112| Int) (|ULTIMATE.start_main_#t~ret37#1.base| Int)) (or (= (select (store (store (store |c_#valid| |v_ULTIMATE.start_new_~p~0#1.base_114| 1) |v_ULTIMATE.start_new_~p~0#1.base_113| 1) |v_ULTIMATE.start_new_~p~0#1.base_112| 1) (select (store (store (store (select |c_#memory_$Pointer$#1.base| |c_~#slot~0.base|) (+ |c_~#slot~0.offset| (* |c_ULTIMATE.start_main_~j~0#1| 4)) |ULTIMATE.start_main_#t~ret37#1.base|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_203| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_88|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_202| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_86|) |c_~#slot~0.offset|)) 1) (< |v_ULTIMATE.start_main_~j~0#1_203| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (< |v_ULTIMATE.start_main_~j~0#1_202| (+ |v_ULTIMATE.start_main_~j~0#1_203| 1)))) is different from false [2024-11-28 03:51:22,887 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~ret37#1.base_86| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_88| Int) (|v_ULTIMATE.start_new_~p~0#1.base_114| Int) (|v_ULTIMATE.start_main_~j~0#1_203| Int) (|v_ULTIMATE.start_new_~p~0#1.base_113| Int) (|v_ULTIMATE.start_main_~j~0#1_202| Int) (|v_ULTIMATE.start_new_~p~0#1.base_112| Int) (|v_ULTIMATE.start_main_~j~0#1_204| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_90| Int) (|ULTIMATE.start_main_#t~ret37#1.base| Int)) (or (= (select (store (store (store |c_#valid| |v_ULTIMATE.start_new_~p~0#1.base_114| 1) |v_ULTIMATE.start_new_~p~0#1.base_113| 1) |v_ULTIMATE.start_new_~p~0#1.base_112| 1) (select (store (store (store (store (select |c_#memory_$Pointer$#1.base| |c_~#slot~0.base|) (+ |c_~#slot~0.offset| (* |c_ULTIMATE.start_main_~j~0#1| 4)) |ULTIMATE.start_main_#t~ret37#1.base|) (+ (* |v_ULTIMATE.start_main_~j~0#1_204| 4) |c_~#slot~0.offset|) |v_ULTIMATE.start_main_#t~ret37#1.base_90|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_203| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_88|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_202| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_86|) |c_~#slot~0.offset|)) 1) (< |v_ULTIMATE.start_main_~j~0#1_203| (+ |v_ULTIMATE.start_main_~j~0#1_204| 1)) (< |v_ULTIMATE.start_main_~j~0#1_204| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (< |v_ULTIMATE.start_main_~j~0#1_202| (+ |v_ULTIMATE.start_main_~j~0#1_203| 1)))) is different from false [2024-11-28 03:51:26,586 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~ret37#1.base_86| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_88| Int) (|v_ULTIMATE.start_new_~p~0#1.base_115| Int) (|v_ULTIMATE.start_new_~p~0#1.base_114| Int) (|v_ULTIMATE.start_main_~j~0#1_203| Int) (|v_ULTIMATE.start_new_~p~0#1.base_113| Int) (|v_ULTIMATE.start_main_~j~0#1_202| Int) (|v_ULTIMATE.start_new_~p~0#1.base_112| Int) (|v_ULTIMATE.start_main_~j~0#1_204| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_90| Int) (|ULTIMATE.start_main_#t~ret37#1.base| Int)) (or (= (select (store (store (store (store |c_#valid| |v_ULTIMATE.start_new_~p~0#1.base_115| 1) |v_ULTIMATE.start_new_~p~0#1.base_114| 1) |v_ULTIMATE.start_new_~p~0#1.base_113| 1) |v_ULTIMATE.start_new_~p~0#1.base_112| 1) (select (store (store (store (store (select |c_#memory_$Pointer$#1.base| |c_~#slot~0.base|) (+ |c_~#slot~0.offset| (* |c_ULTIMATE.start_main_~j~0#1| 4)) |ULTIMATE.start_main_#t~ret37#1.base|) (+ (* |v_ULTIMATE.start_main_~j~0#1_204| 4) |c_~#slot~0.offset|) |v_ULTIMATE.start_main_#t~ret37#1.base_90|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_203| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_88|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_202| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_86|) |c_~#slot~0.offset|)) 1) (< |v_ULTIMATE.start_main_~j~0#1_203| (+ |v_ULTIMATE.start_main_~j~0#1_204| 1)) (< |v_ULTIMATE.start_main_~j~0#1_204| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (< |v_ULTIMATE.start_main_~j~0#1_202| (+ |v_ULTIMATE.start_main_~j~0#1_203| 1)))) is different from false [2024-11-28 03:51:30,418 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~ret37#1.base_86| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_88| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_90| Int) (|ULTIMATE.start_main_#t~ret37#1.base| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_92| Int) (|v_ULTIMATE.start_new_~p~0#1.base_115| Int) (|v_ULTIMATE.start_new_~p~0#1.base_114| Int) (|v_ULTIMATE.start_main_~j~0#1_203| Int) (|v_ULTIMATE.start_new_~p~0#1.base_113| Int) (|v_ULTIMATE.start_main_~j~0#1_202| Int) (|v_ULTIMATE.start_new_~p~0#1.base_112| Int) (|v_ULTIMATE.start_main_~j~0#1_205| Int) (|v_ULTIMATE.start_main_~j~0#1_204| Int)) (or (= (select (store (store (store (store |c_#valid| |v_ULTIMATE.start_new_~p~0#1.base_115| 1) |v_ULTIMATE.start_new_~p~0#1.base_114| 1) |v_ULTIMATE.start_new_~p~0#1.base_113| 1) |v_ULTIMATE.start_new_~p~0#1.base_112| 1) (select (store (store (store (store (store (select |c_#memory_$Pointer$#1.base| |c_~#slot~0.base|) (+ |c_~#slot~0.offset| (* |c_ULTIMATE.start_main_~j~0#1| 4)) |ULTIMATE.start_main_#t~ret37#1.base|) (+ (* |v_ULTIMATE.start_main_~j~0#1_205| 4) |c_~#slot~0.offset|) |v_ULTIMATE.start_main_#t~ret37#1.base_92|) (+ (* |v_ULTIMATE.start_main_~j~0#1_204| 4) |c_~#slot~0.offset|) |v_ULTIMATE.start_main_#t~ret37#1.base_90|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_203| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_88|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_202| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_86|) |c_~#slot~0.offset|)) 1) (< |v_ULTIMATE.start_main_~j~0#1_203| (+ |v_ULTIMATE.start_main_~j~0#1_204| 1)) (< |v_ULTIMATE.start_main_~j~0#1_202| (+ |v_ULTIMATE.start_main_~j~0#1_203| 1)) (< |v_ULTIMATE.start_main_~j~0#1_205| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (< |v_ULTIMATE.start_main_~j~0#1_204| (+ |v_ULTIMATE.start_main_~j~0#1_205| 1)))) is different from false [2024-11-28 03:51:34,364 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~ret37#1.base_86| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_88| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_90| Int) (|ULTIMATE.start_main_#t~ret37#1.base| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_92| Int) (|v_ULTIMATE.start_new_~p~0#1.base_116| Int) (|v_ULTIMATE.start_new_~p~0#1.base_115| Int) (|v_ULTIMATE.start_new_~p~0#1.base_114| Int) (|v_ULTIMATE.start_main_~j~0#1_203| Int) (|v_ULTIMATE.start_new_~p~0#1.base_113| Int) (|v_ULTIMATE.start_main_~j~0#1_202| Int) (|v_ULTIMATE.start_new_~p~0#1.base_112| Int) (|v_ULTIMATE.start_main_~j~0#1_205| Int) (|v_ULTIMATE.start_main_~j~0#1_204| Int)) (or (= (select (store (store (store (store (store |c_#valid| |v_ULTIMATE.start_new_~p~0#1.base_116| 1) |v_ULTIMATE.start_new_~p~0#1.base_115| 1) |v_ULTIMATE.start_new_~p~0#1.base_114| 1) |v_ULTIMATE.start_new_~p~0#1.base_113| 1) |v_ULTIMATE.start_new_~p~0#1.base_112| 1) (select (store (store (store (store (store (select |c_#memory_$Pointer$#1.base| |c_~#slot~0.base|) (+ |c_~#slot~0.offset| (* |c_ULTIMATE.start_main_~j~0#1| 4)) |ULTIMATE.start_main_#t~ret37#1.base|) (+ (* |v_ULTIMATE.start_main_~j~0#1_205| 4) |c_~#slot~0.offset|) |v_ULTIMATE.start_main_#t~ret37#1.base_92|) (+ (* |v_ULTIMATE.start_main_~j~0#1_204| 4) |c_~#slot~0.offset|) |v_ULTIMATE.start_main_#t~ret37#1.base_90|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_203| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_88|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_202| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_86|) |c_~#slot~0.offset|)) 1) (< |v_ULTIMATE.start_main_~j~0#1_203| (+ |v_ULTIMATE.start_main_~j~0#1_204| 1)) (< |v_ULTIMATE.start_main_~j~0#1_202| (+ |v_ULTIMATE.start_main_~j~0#1_203| 1)) (< |v_ULTIMATE.start_main_~j~0#1_205| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (< |v_ULTIMATE.start_main_~j~0#1_204| (+ |v_ULTIMATE.start_main_~j~0#1_205| 1)))) is different from false [2024-11-28 03:51:38,421 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~ret37#1.base_86| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_88| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_90| Int) (|ULTIMATE.start_main_#t~ret37#1.base| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_92| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_94| Int) (|v_ULTIMATE.start_new_~p~0#1.base_116| Int) (|v_ULTIMATE.start_new_~p~0#1.base_115| Int) (|v_ULTIMATE.start_new_~p~0#1.base_114| Int) (|v_ULTIMATE.start_main_~j~0#1_203| Int) (|v_ULTIMATE.start_new_~p~0#1.base_113| Int) (|v_ULTIMATE.start_main_~j~0#1_202| Int) (|v_ULTIMATE.start_new_~p~0#1.base_112| Int) (|v_ULTIMATE.start_main_~j~0#1_205| Int) (|v_ULTIMATE.start_main_~j~0#1_204| Int) (|v_ULTIMATE.start_main_~j~0#1_206| Int)) (or (= (select (store (store (store (store (store |c_#valid| |v_ULTIMATE.start_new_~p~0#1.base_116| 1) |v_ULTIMATE.start_new_~p~0#1.base_115| 1) |v_ULTIMATE.start_new_~p~0#1.base_114| 1) |v_ULTIMATE.start_new_~p~0#1.base_113| 1) |v_ULTIMATE.start_new_~p~0#1.base_112| 1) (select (store (store (store (store (store (store (select |c_#memory_$Pointer$#1.base| |c_~#slot~0.base|) (+ |c_~#slot~0.offset| (* |c_ULTIMATE.start_main_~j~0#1| 4)) |ULTIMATE.start_main_#t~ret37#1.base|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_206| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_94|) (+ (* |v_ULTIMATE.start_main_~j~0#1_205| 4) |c_~#slot~0.offset|) |v_ULTIMATE.start_main_#t~ret37#1.base_92|) (+ (* |v_ULTIMATE.start_main_~j~0#1_204| 4) |c_~#slot~0.offset|) |v_ULTIMATE.start_main_#t~ret37#1.base_90|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_203| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_88|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_202| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_86|) |c_~#slot~0.offset|)) 1) (< |v_ULTIMATE.start_main_~j~0#1_205| (+ |v_ULTIMATE.start_main_~j~0#1_206| 1)) (< |v_ULTIMATE.start_main_~j~0#1_203| (+ |v_ULTIMATE.start_main_~j~0#1_204| 1)) (< |v_ULTIMATE.start_main_~j~0#1_202| (+ |v_ULTIMATE.start_main_~j~0#1_203| 1)) (< |v_ULTIMATE.start_main_~j~0#1_206| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (< |v_ULTIMATE.start_main_~j~0#1_204| (+ |v_ULTIMATE.start_main_~j~0#1_205| 1)))) is different from false [2024-11-28 03:51:42,590 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~ret37#1.base_86| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_88| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_90| Int) (|ULTIMATE.start_main_#t~ret37#1.base| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_92| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_94| Int) (|v_ULTIMATE.start_new_~p~0#1.base_117| Int) (|v_ULTIMATE.start_new_~p~0#1.base_116| Int) (|v_ULTIMATE.start_new_~p~0#1.base_115| Int) (|v_ULTIMATE.start_new_~p~0#1.base_114| Int) (|v_ULTIMATE.start_main_~j~0#1_203| Int) (|v_ULTIMATE.start_new_~p~0#1.base_113| Int) (|v_ULTIMATE.start_main_~j~0#1_202| Int) (|v_ULTIMATE.start_new_~p~0#1.base_112| Int) (|v_ULTIMATE.start_main_~j~0#1_205| Int) (|v_ULTIMATE.start_main_~j~0#1_204| Int) (|v_ULTIMATE.start_main_~j~0#1_206| Int)) (or (= (select (store (store (store (store (store (store |c_#valid| |v_ULTIMATE.start_new_~p~0#1.base_117| 1) |v_ULTIMATE.start_new_~p~0#1.base_116| 1) |v_ULTIMATE.start_new_~p~0#1.base_115| 1) |v_ULTIMATE.start_new_~p~0#1.base_114| 1) |v_ULTIMATE.start_new_~p~0#1.base_113| 1) |v_ULTIMATE.start_new_~p~0#1.base_112| 1) (select (store (store (store (store (store (store (select |c_#memory_$Pointer$#1.base| |c_~#slot~0.base|) (+ |c_~#slot~0.offset| (* |c_ULTIMATE.start_main_~j~0#1| 4)) |ULTIMATE.start_main_#t~ret37#1.base|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_206| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_94|) (+ (* |v_ULTIMATE.start_main_~j~0#1_205| 4) |c_~#slot~0.offset|) |v_ULTIMATE.start_main_#t~ret37#1.base_92|) (+ (* |v_ULTIMATE.start_main_~j~0#1_204| 4) |c_~#slot~0.offset|) |v_ULTIMATE.start_main_#t~ret37#1.base_90|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_203| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_88|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_202| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_86|) |c_~#slot~0.offset|)) 1) (< |v_ULTIMATE.start_main_~j~0#1_205| (+ |v_ULTIMATE.start_main_~j~0#1_206| 1)) (< |v_ULTIMATE.start_main_~j~0#1_203| (+ |v_ULTIMATE.start_main_~j~0#1_204| 1)) (< |v_ULTIMATE.start_main_~j~0#1_202| (+ |v_ULTIMATE.start_main_~j~0#1_203| 1)) (< |v_ULTIMATE.start_main_~j~0#1_206| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (< |v_ULTIMATE.start_main_~j~0#1_204| (+ |v_ULTIMATE.start_main_~j~0#1_205| 1)))) is different from false [2024-11-28 03:51:46,659 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~ret37#1.base_86| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_96| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_88| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_90| Int) (|ULTIMATE.start_main_#t~ret37#1.base| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_92| Int) (|v_ULTIMATE.start_main_#t~ret37#1.base_94| Int) (|v_ULTIMATE.start_new_~p~0#1.base_117| Int) (|v_ULTIMATE.start_new_~p~0#1.base_116| Int) (|v_ULTIMATE.start_new_~p~0#1.base_115| Int) (|v_ULTIMATE.start_new_~p~0#1.base_114| Int) (|v_ULTIMATE.start_main_~j~0#1_203| Int) (|v_ULTIMATE.start_new_~p~0#1.base_113| Int) (|v_ULTIMATE.start_main_~j~0#1_202| Int) (|v_ULTIMATE.start_new_~p~0#1.base_112| Int) (|v_ULTIMATE.start_main_~j~0#1_205| Int) (|v_ULTIMATE.start_main_~j~0#1_204| Int) (|v_ULTIMATE.start_main_~j~0#1_207| Int) (|v_ULTIMATE.start_main_~j~0#1_206| Int)) (or (< |v_ULTIMATE.start_main_~j~0#1_207| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (< |v_ULTIMATE.start_main_~j~0#1_206| (+ |v_ULTIMATE.start_main_~j~0#1_207| 1)) (< |v_ULTIMATE.start_main_~j~0#1_205| (+ |v_ULTIMATE.start_main_~j~0#1_206| 1)) (< |v_ULTIMATE.start_main_~j~0#1_203| (+ |v_ULTIMATE.start_main_~j~0#1_204| 1)) (< |v_ULTIMATE.start_main_~j~0#1_202| (+ |v_ULTIMATE.start_main_~j~0#1_203| 1)) (= (select (store (store (store (store (store (store |c_#valid| |v_ULTIMATE.start_new_~p~0#1.base_117| 1) |v_ULTIMATE.start_new_~p~0#1.base_116| 1) |v_ULTIMATE.start_new_~p~0#1.base_115| 1) |v_ULTIMATE.start_new_~p~0#1.base_114| 1) |v_ULTIMATE.start_new_~p~0#1.base_113| 1) |v_ULTIMATE.start_new_~p~0#1.base_112| 1) (select (store (store (store (store (store (store (store (select |c_#memory_$Pointer$#1.base| |c_~#slot~0.base|) (+ |c_~#slot~0.offset| (* |c_ULTIMATE.start_main_~j~0#1| 4)) |ULTIMATE.start_main_#t~ret37#1.base|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_207| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_96|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_206| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_94|) (+ (* |v_ULTIMATE.start_main_~j~0#1_205| 4) |c_~#slot~0.offset|) |v_ULTIMATE.start_main_#t~ret37#1.base_92|) (+ (* |v_ULTIMATE.start_main_~j~0#1_204| 4) |c_~#slot~0.offset|) |v_ULTIMATE.start_main_#t~ret37#1.base_90|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_203| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_88|) (+ |c_~#slot~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_202| 4)) |v_ULTIMATE.start_main_#t~ret37#1.base_86|) |c_~#slot~0.offset|)) 1) (< |v_ULTIMATE.start_main_~j~0#1_204| (+ |v_ULTIMATE.start_main_~j~0#1_205| 1)))) is different from false [2024-11-28 03:53:10,605 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 106 treesize of output 104 [2024-11-28 03:53:11,439 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 5772704481270 treesize of output 5772436045814 [2024-11-28 03:53:25,469 WARN L286 SmtUtils]: Spent 13.84s on a formula simplification. DAG size of input: 35112 DAG size of output: 259 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)