./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr-oob.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr-oob.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5daf9d459a591738ce4ac52eada4b738511fbb9d800cd03182e33bae5ebd943b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:34:05,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:34:05,709 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-23 11:34:05,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:34:05,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:34:05,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:34:05,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:34:05,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:34:05,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:34:05,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:34:05,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:34:05,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:34:05,758 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:34:05,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:34:05,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:34:05,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 11:34:05,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:34:05,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:34:05,759 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-23 11:34:05,759 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-23 11:34:05,759 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-23 11:34:05,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:34:05,759 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 11:34:05,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 11:34:05,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:34:05,760 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:34:05,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:34:05,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:34:05,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:34:05,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 11:34:05,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:34:05,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:34:05,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:34:05,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:34:05,761 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 11:34:05,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 11:34:05,761 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:34:05,761 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-23 11:34:05,761 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:34:05,761 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:34:05,761 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:34:05,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca 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 -> GemCutter 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 -> 5daf9d459a591738ce4ac52eada4b738511fbb9d800cd03182e33bae5ebd943b [2024-11-23 11:34:06,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:34:06,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:34:06,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:34:06,127 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:34:06,127 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:34:06,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr-oob.c [2024-11-23 11:34:09,159 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/data/1f261c58e/48ec9a4fe1ac4296a29f7335fa812d98/FLAG21da96af4 [2024-11-23 11:34:09,496 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:34:09,497 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr-oob.c [2024-11-23 11:34:09,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/data/1f261c58e/48ec9a4fe1ac4296a29f7335fa812d98/FLAG21da96af4 [2024-11-23 11:34:09,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/data/1f261c58e/48ec9a4fe1ac4296a29f7335fa812d98 [2024-11-23 11:34:09,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:34:09,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:34:09,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:34:09,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:34:09,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:34:09,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:34:09" (1/1) ... [2024-11-23 11:34:09,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7194c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:09, skipping insertion in model container [2024-11-23 11:34:09,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:34:09" (1/1) ... [2024-11-23 11:34:09,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:34:09,842 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 11:34:09,861 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 11:34:09,866 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 11:34:09,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:34:09,888 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:34:09,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:34:09,966 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:34:09,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:09 WrapperNode [2024-11-23 11:34:09,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:34:09,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:34:09,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:34:09,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:34:09,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:09" (1/1) ... [2024-11-23 11:34:09,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:09" (1/1) ... [2024-11-23 11:34:10,022 INFO L138 Inliner]: procedures = 27, calls = 66, calls flagged for inlining = 27, calls inlined = 33, statements flattened = 390 [2024-11-23 11:34:10,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:34:10,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:34:10,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:34:10,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:34:10,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:09" (1/1) ... [2024-11-23 11:34:10,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:09" (1/1) ... [2024-11-23 11:34:10,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:09" (1/1) ... [2024-11-23 11:34:10,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:09" (1/1) ... [2024-11-23 11:34:10,058 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:09" (1/1) ... [2024-11-23 11:34:10,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:09" (1/1) ... [2024-11-23 11:34:10,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:09" (1/1) ... [2024-11-23 11:34:10,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:09" (1/1) ... [2024-11-23 11:34:10,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:09" (1/1) ... [2024-11-23 11:34:10,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:34:10,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:34:10,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:34:10,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:34:10,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:09" (1/1) ... [2024-11-23 11:34:10,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:34:10,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:34:10,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:34:10,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:34:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:34:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-23 11:34:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 11:34:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 11:34:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-23 11:34:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-23 11:34:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-23 11:34:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-23 11:34:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-23 11:34:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-23 11:34:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-23 11:34:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 11:34:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 11:34:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 11:34:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 11:34:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:34:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:34:10,144 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 11:34:10,287 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:34:10,289 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:34:11,225 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:34:11,225 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:34:11,990 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 11:34:11,990 INFO L312 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-23 11:34:11,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:34:11 BoogieIcfgContainer [2024-11-23 11:34:11,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 11:34:11,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 11:34:11,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 11:34:12,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 11:34:12,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:34:09" (1/3) ... [2024-11-23 11:34:12,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433ee23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:34:12, skipping insertion in model container [2024-11-23 11:34:12,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:09" (2/3) ... [2024-11-23 11:34:12,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433ee23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:34:12, skipping insertion in model container [2024-11-23 11:34:12,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:34:11" (3/3) ... [2024-11-23 11:34:12,011 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons-eq.wvr-oob.c [2024-11-23 11:34:12,031 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 11:34:12,033 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-prod-cons-eq.wvr-oob.c that has 4 procedures, 97 locations, 1 initial locations, 9 loop locations, and 46 error locations. [2024-11-23 11:34:12,033 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 11:34:12,172 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-23 11:34:12,236 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:34:12,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-23 11:34:12,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:34:12,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-23 11:34:12,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-23 11:34:12,397 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:34:12,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2024-11-23 11:34:12,418 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=PARTIAL_ORDER_FA, 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;@43e0f15e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:34:12,418 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-23 11:34:13,305 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:34:13,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:34:13,313 INFO L85 PathProgramCache]: Analyzing trace with hash 487568724, now seen corresponding path program 1 times [2024-11-23 11:34:13,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:34:13,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574109675] [2024-11-23 11:34:13,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:34:13,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:34:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:34:13,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:34:13,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:34:13,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574109675] [2024-11-23 11:34:13,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574109675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:34:13,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:34:13,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 11:34:13,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046365775] [2024-11-23 11:34:13,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:34:13,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:34:13,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:34:13,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:34:13,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:34:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:13,821 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:34:13,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:34:13,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:16,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:16,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 11:34:16,337 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:34:16,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:34:16,338 INFO L85 PathProgramCache]: Analyzing trace with hash -472973251, now seen corresponding path program 1 times [2024-11-23 11:34:16,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:34:16,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743268139] [2024-11-23 11:34:16,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:34:16,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:34:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:34:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:34:16,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:34:16,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743268139] [2024-11-23 11:34:16,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743268139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:34:16,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:34:16,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 11:34:16,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237614558] [2024-11-23 11:34:16,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:34:16,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:34:16,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:34:16,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:34:16,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:34:16,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:16,652 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:34:16,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:34:16,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:16,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:18,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:18,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:18,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 11:34:18,759 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:34:18,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:34:18,760 INFO L85 PathProgramCache]: Analyzing trace with hash -472973250, now seen corresponding path program 1 times [2024-11-23 11:34:18,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:34:18,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842688971] [2024-11-23 11:34:18,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:34:18,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:34:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:34:18,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:34:18,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:34:18,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842688971] [2024-11-23 11:34:18,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842688971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:34:18,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:34:18,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:34:18,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930669534] [2024-11-23 11:34:18,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:34:18,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:34:18,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:34:18,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:34:18,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:34:18,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:19,000 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:34:19,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:34:19,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:19,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:19,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:20,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:20,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 11:34:20,963 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:34:20,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:34:20,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1045916538, now seen corresponding path program 1 times [2024-11-23 11:34:20,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:34:20,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043035892] [2024-11-23 11:34:20,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:34:20,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:34:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:34:21,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 11:34:21,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:34:21,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043035892] [2024-11-23 11:34:21,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043035892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:34:21,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:34:21,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:34:21,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786281459] [2024-11-23 11:34:21,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:34:21,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:34:21,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:34:21,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:34:21,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:34:21,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:21,182 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:34:21,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:34:21,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:21,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:21,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:21,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:22,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:22,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:22,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:22,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 11:34:22,991 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:34:22,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:34:22,992 INFO L85 PathProgramCache]: Analyzing trace with hash 825309560, now seen corresponding path program 1 times [2024-11-23 11:34:22,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:34:22,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492457005] [2024-11-23 11:34:22,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:34:22,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:34:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:34:23,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 11:34:23,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:34:23,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492457005] [2024-11-23 11:34:23,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492457005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:34:23,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:34:23,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 11:34:23,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248748618] [2024-11-23 11:34:23,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:34:23,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 11:34:23,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:34:23,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 11:34:23,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 11:34:23,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:23,406 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:34:23,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:34:23,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:23,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:23,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:23,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:23,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:25,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:25,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:25,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:25,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:25,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:25,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 11:34:25,452 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:34:25,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:34:25,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1306351415, now seen corresponding path program 1 times [2024-11-23 11:34:25,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:34:25,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856159625] [2024-11-23 11:34:25,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:34:25,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:34:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:34:25,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 11:34:25,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:34:25,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856159625] [2024-11-23 11:34:25,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856159625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:34:25,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:34:25,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 11:34:25,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805580036] [2024-11-23 11:34:25,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:34:25,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 11:34:25,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:34:25,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 11:34:25,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 11:34:25,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:25,698 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:34:25,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:34:25,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:25,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:25,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:25,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:25,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:25,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:27,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:27,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:27,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:27,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:27,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:27,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:27,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 11:34:27,832 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:34:27,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:34:27,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1306351418, now seen corresponding path program 1 times [2024-11-23 11:34:27,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:34:27,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930727238] [2024-11-23 11:34:27,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:34:27,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:34:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:34:28,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 11:34:28,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:34:28,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930727238] [2024-11-23 11:34:28,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930727238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:34:28,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:34:28,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:34:28,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091056232] [2024-11-23 11:34:28,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:34:28,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:34:28,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:34:28,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:34:28,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:34:28,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:28,239 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:34:28,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:34:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:30,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:30,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 11:34:30,304 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:34:30,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:34:30,304 INFO L85 PathProgramCache]: Analyzing trace with hash -75689390, now seen corresponding path program 1 times [2024-11-23 11:34:30,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:34:30,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548707674] [2024-11-23 11:34:30,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:34:30,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:34:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:34:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 11:34:31,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:34:31,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548707674] [2024-11-23 11:34:31,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548707674] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:34:31,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357287149] [2024-11-23 11:34:31,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:34:31,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:34:31,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:34:31,163 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:34:31,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 11:34:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:34:31,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 11:34:31,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:34:31,377 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 [2024-11-23 11:34:31,426 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 23 treesize of output 1 [2024-11-23 11:34:31,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 11:34:31,629 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:34:31,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-11-23 11:34:31,867 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 26 treesize of output 20 [2024-11-23 11:34:32,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 11:34:32,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357287149] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:34:32,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:34:32,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2024-11-23 11:34:32,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78933070] [2024-11-23 11:34:32,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:34:32,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-23 11:34:32,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:34:32,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-23 11:34:32,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-23 11:34:32,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:32,013 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:34:32,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.466666666666667) internal successors, (67), 16 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:34:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:34,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:34,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:34,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:34,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:34,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:34,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:34,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:34,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:34:34,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 11:34:34,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-23 11:34:34,931 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:34:34,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:34:34,932 INFO L85 PathProgramCache]: Analyzing trace with hash 252883556, now seen corresponding path program 2 times [2024-11-23 11:34:34,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:34:34,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388680790] [2024-11-23 11:34:34,932 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:34:34,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:34:35,239 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:34:35,239 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:34:38,802 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 11:34:38,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:34:38,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388680790] [2024-11-23 11:34:38,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388680790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:34:38,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092820998] [2024-11-23 11:34:38,803 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:34:38,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:34:38,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:34:38,806 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:34:38,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 11:34:39,087 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:34:39,087 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:34:39,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-23 11:34:39,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:34:39,142 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 [2024-11-23 11:34:39,247 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 [2024-11-23 11:34:39,344 INFO L349 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2024-11-23 11:34:39,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2024-11-23 11:34:39,463 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 26 treesize of output 19 [2024-11-23 11:34:39,582 INFO L349 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2024-11-23 11:34:39,583 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 1 case distinctions, treesize of input 49 treesize of output 29 [2024-11-23 11:34:40,499 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 11:34:40,503 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:34:41,157 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:34:41,158 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 39 [2024-11-23 11:34:41,162 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 11:34:41,168 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 36 treesize of output 32 [2024-11-23 11:34:41,187 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:34:41,188 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 33 treesize of output 29 [2024-11-23 11:34:41,479 INFO L349 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2024-11-23 11:34:41,479 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 50 treesize of output 50 [2024-11-23 11:34:41,531 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 11:34:41,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092820998] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:34:41,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:34:41,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 10] total 31 [2024-11-23 11:34:41,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044656603] [2024-11-23 11:34:41,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:34:41,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-23 11:34:41,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:34:41,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-23 11:34:41,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=873, Unknown=7, NotChecked=0, Total=992 [2024-11-23 11:34:41,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:41,534 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:34:41,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 2.935483870967742) internal successors, (91), 32 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:34:41,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:41,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:41,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:41,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:41,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:41,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:41,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:41,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:34:41,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:48,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-23 11:34:50,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:34:51,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:34:51,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:34:51,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 11:34:52,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-23 11:34:52,113 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:34:52,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:34:52,114 INFO L85 PathProgramCache]: Analyzing trace with hash -949920472, now seen corresponding path program 3 times [2024-11-23 11:34:52,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:34:52,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457923668] [2024-11-23 11:34:52,114 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:34:52,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:34:52,285 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-23 11:34:52,285 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:34:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-23 11:34:52,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:34:52,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457923668] [2024-11-23 11:34:52,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457923668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:34:52,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008574511] [2024-11-23 11:34:52,535 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:34:52,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:34:52,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:34:52,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:34:52,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 11:34:52,963 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-23 11:34:52,964 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:34:52,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 11:34:52,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:34:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-23 11:34:53,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:34:53,219 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-23 11:34:53,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008574511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:34:53,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:34:53,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-23 11:34:53,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675357014] [2024-11-23 11:34:53,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:34:53,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 11:34:53,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:34:53,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 11:34:53,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-23 11:34:53,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:53,222 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:34:53,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:34:53,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:53,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:53,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:53,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:53,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:53,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:53,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:53,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:34:53,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:34:53,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:34:53,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:34:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:34:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:34:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:34:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:34:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:34:53,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 11:34:53,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-23 11:34:53,782 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:34:53,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:34:53,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1389094094, now seen corresponding path program 4 times [2024-11-23 11:34:53,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:34:53,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369300305] [2024-11-23 11:34:53,783 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:34:53,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:34:53,850 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:34:53,850 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:34:54,090 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 11 proven. 44 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-23 11:34:54,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:34:54,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369300305] [2024-11-23 11:34:54,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369300305] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:34:54,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737070653] [2024-11-23 11:34:54,090 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:34:54,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:34:54,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:34:54,094 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:34:54,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 11:38:02,741 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:38:02,741 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:38:02,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 11:38:02,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:38:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 11 proven. 44 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-23 11:38:02,925 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:38:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 30 proven. 25 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-23 11:38:03,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737070653] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:38:03,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:38:03,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-23 11:38:03,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164318014] [2024-11-23 11:38:03,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:38:03,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 11:38:03,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:38:03,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 11:38:03,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-23 11:38:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:38:03,072 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:38:03,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:38:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:38:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:38:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:38:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:38:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:38:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:38:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:38:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:38:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:38:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:38:03,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:38:03,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:38:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:38:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:38:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:38:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:38:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:38:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:38:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:38:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:38:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:38:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:38:03,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 11:38:03,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:38:03,695 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:38:03,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:38:03,696 INFO L85 PathProgramCache]: Analyzing trace with hash 573867432, now seen corresponding path program 5 times [2024-11-23 11:38:03,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:38:03,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106722709] [2024-11-23 11:38:03,696 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:38:03,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:38:03,961 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-11-23 11:38:03,962 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:38:08,223 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 54 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-23 11:38:08,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:38:08,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106722709] [2024-11-23 11:38:08,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106722709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:38:08,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851396327] [2024-11-23 11:38:08,223 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:38:08,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:38:08,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:38:08,229 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:38:08,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 11:38:12,475 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-11-23 11:38:12,475 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:38:12,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-23 11:38:12,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:38:12,613 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 [2024-11-23 11:38:12,713 INFO L349 Elim1Store]: treesize reduction 64, result has 29.7 percent of original size [2024-11-23 11:38:12,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 36 [2024-11-23 11:38:12,799 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 26 treesize of output 19 [2024-11-23 11:38:12,880 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 26 treesize of output 19 [2024-11-23 11:38:12,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2024-11-23 11:38:13,162 INFO L349 Elim1Store]: treesize reduction 96, result has 33.3 percent of original size [2024-11-23 11:38:13,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 37 treesize of output 65 [2024-11-23 11:38:13,341 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 71 treesize of output 54 [2024-11-23 11:38:13,425 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 71 treesize of output 54 [2024-11-23 11:38:13,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 55 [2024-11-23 11:38:14,263 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 11:38:14,263 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:38:14,818 WARN L851 $PredicateComparison]: unable to prove that (forall ((~state12~0 Int) (v_ArrVal_851 (Array Int Int))) (or (= (select |c_#valid| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_851) c_~consume~0.base) (+ c_~consume~0.offset (* |c_ULTIMATE.start_main_~i~0#1| 4)) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1) (< ~state12~0 0) (< |c_ULTIMATE.start_main_~i~0#1| ~state12~0))) is different from false [2024-11-23 11:38:31,777 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 11:38:31,779 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 11:38:31,787 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:38:31,788 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 51 [2024-11-23 11:38:31,792 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 11:38:31,795 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 48 treesize of output 44 [2024-11-23 11:38:31,808 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:38:31,808 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 78 treesize of output 74 [2024-11-23 11:38:32,355 INFO L349 Elim1Store]: treesize reduction 62, result has 63.3 percent of original size [2024-11-23 11:38:32,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 96 treesize of output 186 [2024-11-23 11:38:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 30 refuted. 4 times theorem prover too weak. 9 trivial. 22 not checked. [2024-11-23 11:38:32,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851396327] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:38:32,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:38:32,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 15] total 43 [2024-11-23 11:38:32,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359040305] [2024-11-23 11:38:32,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:38:32,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-23 11:38:32,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:38:32,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-23 11:38:32,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1598, Unknown=13, NotChecked=82, Total=1892 [2024-11-23 11:38:32,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:38:32,459 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:38:32,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 2.5348837209302326) internal successors, (109), 44 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:38:32,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:38:32,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:38:32,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:38:32,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:38:32,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:38:32,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:38:32,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:38:32,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:38:32,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:38:32,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:38:32,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:38:32,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:38:37,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:38:41,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:38:43,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:38:45,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:38:54,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:38:56,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:39:02,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:39:13,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:39:14,042 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse5 (+ c_~consume~0.offset .cse7))) (let ((.cse1 (store (select |c_#memory_$Pointer$.base| c_~consume~0.base) .cse5 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse0 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse2 (+ c_~consume~0.offset .cse7 4))) (and (forall ((~state12~0 Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| Int) (v_ArrVal_851 (Array Int Int))) (or (< ~state12~0 0) (< .cse0 ~state12~0) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) 0)) (= (select (store |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| 1) (select (store (select (store (store |c_#memory_$Pointer$.base| c_~consume~0.base .cse1) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| v_ArrVal_851) c_~consume~0.base) .cse2 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1))) (forall ((v_ArrVal_847 (Array Int Int)) (~state12~0 Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_294| Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| Int) (v_ArrVal_851 (Array Int Int))) (let ((.cse3 (store |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_294| 1))) (or (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_294|) 0)) (< ~state12~0 0) (not (= (select .cse3 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) 0)) (< .cse0 ~state12~0) (= (select (store .cse3 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| 1) (select (store (select (store (let ((.cse4 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_294| v_ArrVal_847))) (store .cse4 c_~consume~0.base (store (select .cse4 c_~consume~0.base) .cse5 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_294|))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| v_ArrVal_851) c_~consume~0.base) .cse2 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1)))) (forall ((~state12~0 Int)) (or (= (select |c_#valid| (select .cse1 (+ c_~consume~0.offset (* ~state12~0 4)))) 1) (< ~state12~0 0) (< |c_ULTIMATE.start_main_~i~0#1| ~state12~0))) (forall ((~state12~0 Int) (v_ArrVal_851 (Array Int Int))) (or (= (select |c_#valid| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_851) c_~consume~0.base) .cse5 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1) (< ~state12~0 0) (< |c_ULTIMATE.start_main_~i~0#1| ~state12~0))) (forall ((v_ArrVal_847 (Array Int Int)) (~state12~0 Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| Int) (v_ArrVal_851 (Array Int Int))) (or (< ~state12~0 0) (< .cse0 ~state12~0) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) 0)) (= (select (store |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| 1) (select (store (select (store (let ((.cse6 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_847))) (store .cse6 c_~consume~0.base (store (select .cse6 c_~consume~0.base) .cse5 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| v_ArrVal_851) c_~consume~0.base) .cse2 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1))) (forall ((~state12~0 Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| Int) (v_ArrVal_851 (Array Int Int))) (or (= (select (store |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| 1) (select (store (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| v_ArrVal_851) c_~consume~0.base) .cse5 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1) (< ~state12~0 0) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) 0)) (< |c_ULTIMATE.start_main_~i~0#1| ~state12~0))))))) is different from false [2024-11-23 11:39:14,050 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse0 (+ c_~consume~0.offset .cse2))) (and (forall ((~state12~0 Int) (v_ArrVal_851 (Array Int Int))) (or (= (select |c_#valid| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_851) c_~consume~0.base) .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1) (< ~state12~0 0) (< |c_ULTIMATE.start_main_~i~0#1| ~state12~0))) (forall ((v_ArrVal_847 (Array Int Int)) (~state12~0 Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| Int) (v_ArrVal_851 (Array Int Int))) (or (< ~state12~0 0) (< (+ |c_ULTIMATE.start_main_~i~0#1| 1) ~state12~0) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) 0)) (= (select (store |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| 1) (select (store (select (store (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_847))) (store .cse1 c_~consume~0.base (store (select .cse1 c_~consume~0.base) .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| v_ArrVal_851) c_~consume~0.base) (+ c_~consume~0.offset .cse2 4) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1)))))) is different from false [2024-11-23 11:39:31,073 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~consume~0.offset (* |c_ULTIMATE.start_main_~i~0#1| 4)))) (and (forall ((~state12~0 Int)) (or (= (select |c_#valid| (select (store (select |c_#memory_$Pointer$.base| c_~consume~0.base) .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1) (< ~state12~0 0) (< |c_ULTIMATE.start_main_~i~0#1| ~state12~0))) (forall ((~state12~0 Int) (v_ArrVal_851 (Array Int Int))) (or (= (select |c_#valid| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_851) c_~consume~0.base) .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1) (< ~state12~0 0) (< |c_ULTIMATE.start_main_~i~0#1| ~state12~0))))) is different from false [2024-11-23 11:39:31,551 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse5 (+ c_~consume~0.offset .cse7))) (let ((.cse1 (store (select |c_#memory_$Pointer$.base| c_~consume~0.base) .cse5 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse0 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse2 (+ c_~consume~0.offset .cse7 4))) (and (forall ((~state12~0 Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| Int) (v_ArrVal_851 (Array Int Int))) (or (< ~state12~0 0) (< .cse0 ~state12~0) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) 0)) (= (select (store |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| 1) (select (store (select (store (store |c_#memory_$Pointer$.base| c_~consume~0.base .cse1) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| v_ArrVal_851) c_~consume~0.base) .cse2 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1))) (forall ((v_ArrVal_847 (Array Int Int)) (~state12~0 Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_294| Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| Int) (v_ArrVal_851 (Array Int Int))) (let ((.cse3 (store |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_294| 1))) (or (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_294|) 0)) (< ~state12~0 0) (not (= (select .cse3 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) 0)) (< .cse0 ~state12~0) (= (select (store .cse3 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| 1) (select (store (select (store (let ((.cse4 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_294| v_ArrVal_847))) (store .cse4 c_~consume~0.base (store (select .cse4 c_~consume~0.base) .cse5 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_294|))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| v_ArrVal_851) c_~consume~0.base) .cse2 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1)))) (forall ((~state12~0 Int)) (or (= (select |c_#valid| (select .cse1 (+ c_~consume~0.offset (* ~state12~0 4)))) 1) (< ~state12~0 0) (< |c_ULTIMATE.start_main_~i~0#1| ~state12~0))) (forall ((~state12~0 Int) (v_ArrVal_851 (Array Int Int))) (or (= (select |c_#valid| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_851) c_~consume~0.base) .cse5 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1) (< ~state12~0 0) (< |c_ULTIMATE.start_main_~i~0#1| ~state12~0))) (or (not (= (select |c_#valid| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) 1)) (forall ((v_ArrVal_847 (Array Int Int)) (~state12~0 Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| Int) (v_ArrVal_851 (Array Int Int))) (or (< ~state12~0 0) (< .cse0 ~state12~0) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) 0)) (= (select (store |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| 1) (select (store (select (store (let ((.cse6 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_847))) (store .cse6 c_~consume~0.base (store (select .cse6 c_~consume~0.base) .cse5 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| v_ArrVal_851) c_~consume~0.base) .cse2 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1)))))))) is different from false [2024-11-23 11:39:31,562 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse0 (+ c_~consume~0.offset .cse2))) (and (forall ((~state12~0 Int) (v_ArrVal_851 (Array Int Int))) (or (= (select |c_#valid| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_851) c_~consume~0.base) .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1) (< ~state12~0 0) (< |c_ULTIMATE.start_main_~i~0#1| ~state12~0))) (or (not (= (select |c_#valid| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) 1)) (forall ((v_ArrVal_847 (Array Int Int)) (~state12~0 Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| Int) (v_ArrVal_851 (Array Int Int))) (or (< ~state12~0 0) (< (+ |c_ULTIMATE.start_main_~i~0#1| 1) ~state12~0) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) 0)) (= (select (store |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| 1) (select (store (select (store (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_847))) (store .cse1 c_~consume~0.base (store (select .cse1 c_~consume~0.base) .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| v_ArrVal_851) c_~consume~0.base) (+ c_~consume~0.offset .cse2 4) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1))))))) is different from false [2024-11-23 11:39:34,467 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse1 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse3 (+ c_~consume~0.offset .cse7)) (.cse4 (+ c_~consume~0.offset .cse7 4))) (let ((.cse5 (forall ((v_ArrVal_847 (Array Int Int)) (~state12~0 Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| Int) (v_ArrVal_851 (Array Int Int))) (or (< ~state12~0 0) (< .cse1 ~state12~0) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) 0)) (= (select (store |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| 1) (select (store (select (store (let ((.cse6 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_847))) (store .cse6 c_~consume~0.base (store (select .cse6 c_~consume~0.base) .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| v_ArrVal_851) c_~consume~0.base) .cse4 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1))))) (and (forall ((v_ArrVal_847 (Array Int Int)) (~state12~0 Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_294| Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| Int) (v_ArrVal_851 (Array Int Int))) (let ((.cse0 (store |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_294| 1))) (or (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_294|) 0)) (< ~state12~0 0) (not (= (select .cse0 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) 0)) (< .cse1 ~state12~0) (= (select (store .cse0 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| 1) (select (store (select (store (let ((.cse2 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_294| v_ArrVal_847))) (store .cse2 c_~consume~0.base (store (select .cse2 c_~consume~0.base) .cse3 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_294|))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| v_ArrVal_851) c_~consume~0.base) .cse4 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1)))) (forall ((~state12~0 Int)) (or (= (select |c_#valid| (select (store (select |c_#memory_$Pointer$.base| c_~consume~0.base) .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1) (< ~state12~0 0) (< |c_ULTIMATE.start_main_~i~0#1| ~state12~0))) (forall ((~state12~0 Int) (v_ArrVal_851 (Array Int Int))) (or (= (select |c_#valid| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_851) c_~consume~0.base) .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1) (< ~state12~0 0) (< |c_ULTIMATE.start_main_~i~0#1| ~state12~0))) .cse5 (or (not (= (select |c_#valid| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) 1)) .cse5) (forall ((~state12~0 Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| Int) (v_ArrVal_851 (Array Int Int))) (or (= (select (store |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| 1) (select (store (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| v_ArrVal_851) c_~consume~0.base) .cse3 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1) (< ~state12~0 0) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) 0)) (< |c_ULTIMATE.start_main_~i~0#1| ~state12~0))))))) is different from false [2024-11-23 11:39:40,945 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse3 (+ c_~consume~0.offset .cse5))) (let ((.cse1 (store (select |c_#memory_$Pointer$.base| c_~consume~0.base) .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse0 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse2 (+ c_~consume~0.offset .cse5 4))) (and (forall ((~state12~0 Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| Int) (v_ArrVal_851 (Array Int Int))) (or (< ~state12~0 0) (< .cse0 ~state12~0) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) 0)) (= (select (store |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| 1) (select (store (select (store (store |c_#memory_$Pointer$.base| c_~consume~0.base .cse1) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| v_ArrVal_851) c_~consume~0.base) .cse2 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1))) (forall ((~state12~0 Int)) (or (= (select |c_#valid| (select .cse1 (+ c_~consume~0.offset (* ~state12~0 4)))) 1) (< ~state12~0 0) (< |c_ULTIMATE.start_main_~i~0#1| ~state12~0))) (forall ((~state12~0 Int) (v_ArrVal_851 (Array Int Int))) (or (= (select |c_#valid| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_851) c_~consume~0.base) .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1) (< ~state12~0 0) (< |c_ULTIMATE.start_main_~i~0#1| ~state12~0))) (forall ((v_ArrVal_847 (Array Int Int)) (~state12~0 Int) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| Int) (v_ArrVal_851 (Array Int Int))) (or (< ~state12~0 0) (< .cse0 ~state12~0) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) 0)) (= (select (store |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| 1) (select (store (select (store (let ((.cse4 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_847))) (store .cse4 c_~consume~0.base (store (select .cse4 c_~consume~0.base) .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293| v_ArrVal_851) c_~consume~0.base) .cse2 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_293|) (+ c_~consume~0.offset (* ~state12~0 4)))) 1))))))) is different from false [2024-11-23 11:39:42,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:39:42,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:39:42,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:39:42,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:39:42,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:39:42,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:39:42,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:39:42,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:39:42,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:39:42,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:39:42,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:39:42,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:39:42,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-23 11:39:42,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:39:42,982 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:39:42,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:39:42,983 INFO L85 PathProgramCache]: Analyzing trace with hash 993643287, now seen corresponding path program 1 times [2024-11-23 11:39:42,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:39:42,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696945227] [2024-11-23 11:39:42,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:39:42,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:39:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:39:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 83 proven. 20 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-23 11:39:43,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:39:43,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696945227] [2024-11-23 11:39:43,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696945227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:39:43,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828436342] [2024-11-23 11:39:43,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:39:43,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:39:43,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:39:43,579 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:39:43,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 11:39:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:39:43,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 11:39:43,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:39:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 86 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-23 11:39:44,274 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:39:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 86 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-23 11:39:44,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828436342] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:39:44,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:39:44,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-11-23 11:39:44,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136496757] [2024-11-23 11:39:44,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:39:44,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-23 11:39:44,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:39:44,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-23 11:39:44,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-23 11:39:44,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:39:44,635 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:39:44,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.263157894736842) internal successors, (62), 19 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:39:44,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:39:44,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:39:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:39:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:39:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:39:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:39:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:39:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:39:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:39:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:39:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:39:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:39:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:39:45,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:39:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:39:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:39:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:39:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:39:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:39:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:39:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:39:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:39:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:39:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:39:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:39:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:39:45,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-23 11:39:45,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:39:45,529 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:39:45,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:39:45,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1648526103, now seen corresponding path program 2 times [2024-11-23 11:39:45,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:39:45,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48399502] [2024-11-23 11:39:45,529 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:39:45,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:39:45,635 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:39:45,636 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:39:46,260 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 14 proven. 159 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-23 11:39:46,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:39:46,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48399502] [2024-11-23 11:39:46,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48399502] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:39:46,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123405764] [2024-11-23 11:39:46,261 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:39:46,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:39:46,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:39:46,264 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:39:46,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 11:39:46,584 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:39:46,584 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:39:46,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 11:39:46,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:39:47,041 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 17 proven. 135 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-23 11:39:47,042 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:39:47,349 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 76 proven. 76 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-23 11:39:47,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123405764] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:39:47,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:39:47,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 20 [2024-11-23 11:39:47,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768423087] [2024-11-23 11:39:47,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:39:47,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-23 11:39:47,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:39:47,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-23 11:39:47,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-11-23 11:39:47,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:39:47,352 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:39:47,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:39:47,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:39:47,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:39:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:39:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:39:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:39:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:39:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:39:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:39:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:39:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:39:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:39:47,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:39:47,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:39:47,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:39:48,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:39:48,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:39:48,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:39:48,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:39:48,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:39:48,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:39:48,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:39:48,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:39:48,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:39:48,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:39:48,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:39:48,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:39:48,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:39:48,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:39:48,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-23 11:39:48,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:39:48,497 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:39:48,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:39:48,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1273819623, now seen corresponding path program 3 times [2024-11-23 11:39:48,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:39:48,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561904531] [2024-11-23 11:39:48,497 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:39:48,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:39:48,929 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-11-23 11:39:48,930 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:40:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 195 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 11:40:12,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:40:12,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561904531] [2024-11-23 11:40:12,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561904531] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:40:12,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922212377] [2024-11-23 11:40:12,138 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:40:12,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:40:12,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:40:12,144 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:40:12,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 11:40:22,069 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-11-23 11:40:22,069 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:40:22,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 166 conjuncts are in the unsatisfiable core [2024-11-23 11:40:22,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:40:22,336 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 10 treesize of output 9 [2024-11-23 11:40:22,829 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 11 treesize of output 7 [2024-11-23 11:40:22,855 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 [2024-11-23 11:40:23,079 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-23 11:40:23,080 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 19 treesize of output 16 [2024-11-23 11:40:23,136 INFO L349 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2024-11-23 11:40:23,136 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 1 case distinctions, treesize of input 24 treesize of output 26 [2024-11-23 11:40:23,403 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 22 treesize of output 17 [2024-11-23 11:40:23,446 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 16 treesize of output 11 [2024-11-23 11:40:23,552 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 22 treesize of output 17 [2024-11-23 11:40:23,587 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 16 treesize of output 11 [2024-11-23 11:40:23,701 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 16 treesize of output 11 [2024-11-23 11:40:23,737 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 22 treesize of output 17 [2024-11-23 11:40:24,014 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 19 treesize of output 18 [2024-11-23 11:40:24,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-23 11:40:24,285 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-23 11:40:24,286 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 [2024-11-23 11:40:24,359 INFO L349 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2024-11-23 11:40:24,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 42 [2024-11-23 11:40:24,670 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 43 treesize of output 34 [2024-11-23 11:40:24,702 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 23 treesize of output 16 [2024-11-23 11:40:24,814 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 23 treesize of output 16 [2024-11-23 11:40:24,837 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 43 treesize of output 34 [2024-11-23 11:40:24,970 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 23 treesize of output 16 [2024-11-23 11:40:25,006 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 43 treesize of output 34 [2024-11-23 11:40:25,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 37 [2024-11-23 11:40:25,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-11-23 11:40:25,688 INFO L349 Elim1Store]: treesize reduction 138, result has 16.9 percent of original size [2024-11-23 11:40:25,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 58 [2024-11-23 11:40:25,767 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-23 11:40:25,768 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 [2024-11-23 11:40:26,224 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 64 treesize of output 51 [2024-11-23 11:40:26,264 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 30 treesize of output 21 [2024-11-23 11:40:26,711 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 64 treesize of output 51 [2024-11-23 11:40:26,767 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 30 treesize of output 21 [2024-11-23 11:40:27,207 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 64 treesize of output 51 [2024-11-23 11:40:27,244 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 30 treesize of output 21 [2024-11-23 11:40:27,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2024-11-23 11:40:28,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 57 [2024-11-23 11:40:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-23 11:40:29,842 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:40:29,881 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 83 treesize of output 51 [2024-11-23 11:40:29,919 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 6 treesize of output 4 [2024-11-23 11:40:33,595 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:40:33,595 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 146 treesize of output 164 [2024-11-23 11:40:45,058 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:40:45,059 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 528 treesize of output 529 [2024-11-23 11:40:45,088 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:40:45,088 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 684 treesize of output 661 [2024-11-23 11:40:45,106 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 413 treesize of output 409 [2024-11-23 11:40:45,135 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 777 treesize of output 771 [2024-11-23 11:40:45,161 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 885 treesize of output 871 [2024-11-23 11:40:45,242 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:40:45,243 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 3956 treesize of output 3910 [2024-11-23 11:40:45,314 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:40:45,315 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 1257 treesize of output 1229 [2024-11-23 11:40:45,368 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 1083 treesize of output 1059 [2024-11-23 11:40:45,540 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 11:40:45,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 468 treesize of output 534 [2024-11-23 11:40:45,600 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 731 treesize of output 719 [2024-11-23 11:40:45,621 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 644 treesize of output 626 [2024-11-23 11:40:45,645 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 433 treesize of output 427 [2024-11-23 11:40:45,668 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 416 treesize of output 410 [2024-11-23 11:40:58,825 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 146 refuted. 35 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-23 11:40:58,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922212377] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:40:58,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:40:58,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 19, 20] total 70 [2024-11-23 11:40:58,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191706683] [2024-11-23 11:40:58,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:40:58,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-11-23 11:40:58,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:40:58,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-11-23 11:40:58,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=4569, Unknown=18, NotChecked=0, Total=4970 [2024-11-23 11:40:58,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:40:58,839 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:40:58,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 70 states have (on average 2.085714285714286) internal successors, (146), 71 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) [2024-11-23 11:40:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:40:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:40:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:40:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:40:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:40:58,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:40:58,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:40:58,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:40:58,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:40:58,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:40:58,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:40:58,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:40:58,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:40:58,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:40:58,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:41:06,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:41:08,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:41:10,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:41:13,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:41:15,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:42:34,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:42:36,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:42:41,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:43:06,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:44:01,782 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse26 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse15 (+ c_~consume~0.offset .cse26))) (let ((.cse5 (store (select |c_#memory_$Pointer$.offset| c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse3 (store (select |c_#memory_$Pointer$.base| c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse0 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse8 (< .cse0 c_~state12~0)) (.cse13 (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~state12~0)) (.cse7 (not (= 3 c_~n2~0))) (.cse6 (< c_~state12~0 0)) (.cse20 (not (= (select |c_#valid| c_~consume~0.base) 1))) (.cse12 (store |c_#memory_$Pointer$.base| c_~consume~0.base .cse3)) (.cse10 (store |c_#memory_$Pointer$.offset| c_~consume~0.base .cse5)) (.cse11 (+ c_~consume~0.offset .cse26 4)) (.cse16 (+ c_~consume~0.offset .cse26 8)) (.cse4 (+ c_~consume~0.offset (* 4 c_~state12~0)))) (and (or (< .cse0 c_~n1~0) (< c_~n1~0 (+ c_~state12~0 1)) (let ((.cse1 (select .cse5 .cse4)) (.cse2 (< c_~n2~0 1))) (and (or (< 0 (+ .cse1 1)) .cse2) (or (< (+ .cse1 (* c_~n2~0 4)) (+ (select |c_#length| (select .cse3 .cse4)) 1)) .cse2))) (< |c_ULTIMATE.start_create_fresh_int_array_~i~1#1| |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse6 (forall ((~queue1~0.base Int)) (< (select |c_#length| ~queue1~0.base) 4))) (or .cse7 .cse6 .cse8 (and (forall ((v_prenex_6 Int) (v_prenex_4 Int) (v_ArrVal_1692 (Array Int Int)) (v_prenex_5 (Array Int Int))) (let ((.cse9 (store |c_#length| v_prenex_6 12))) (or (< (select .cse9 v_prenex_4) 4) (< (+ (select (store (select (store .cse10 v_prenex_6 v_prenex_5) c_~consume~0.base) .cse11 0) .cse4) 11) (select .cse9 (select (store (select (store .cse12 v_prenex_6 v_ArrVal_1692) c_~consume~0.base) .cse11 v_prenex_6) .cse4))) (= v_prenex_6 c_~consume~0.base)))) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| Int)) (or (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store .cse10 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| v_ArrVal_1691) c_~consume~0.base) .cse11 0) .cse4) 1))) (forall ((~queue1~0.base Int)) (< (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| 12) ~queue1~0.base) 4)) (= |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| c_~consume~0.base))))) (or .cse13 .cse7 .cse6 (and (forall ((v_ArrVal_1672 (Array Int Int)) (v_ArrVal_1671 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| Int)) (or (forall ((v_prenex_6 Int) (v_prenex_4 Int) (v_ArrVal_1682 (Array Int Int)) (v_ArrVal_1681 (Array Int Int)) (v_ArrVal_1692 (Array Int Int)) (v_prenex_5 (Array Int Int))) (let ((.cse17 (store (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| 12) v_prenex_6 12))) (or (< (+ (select (store (select (store (let ((.cse14 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1671))) (store (store .cse14 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base (store (select (store (store .cse14 c_~consume~0.base (store (select .cse14 c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base) .cse11 0))) v_prenex_6 v_prenex_5) c_~consume~0.base) .cse16 0) .cse4) 11) (select .cse17 (select (store (select (store (let ((.cse18 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1672))) (store (store .cse18 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1681) c_~consume~0.base (store (select (store (store .cse18 c_~consume~0.base (store (select .cse18 c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1681) c_~consume~0.base) .cse11 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|))) v_prenex_6 v_ArrVal_1692) c_~consume~0.base) .cse16 v_prenex_6) .cse4))) (= v_prenex_6 c_~consume~0.base) (< (select .cse17 v_prenex_4) 4)))) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|) 0)))) (forall ((v_ArrVal_1671 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|) 0)) (forall ((v_ArrVal_1682 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| Int)) (or (forall ((~queue1~0.base Int)) (< (select (store (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| 12) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| 12) ~queue1~0.base) 4)) (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store (let ((.cse19 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1671))) (store (store .cse19 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base (store (select (store (store .cse19 c_~consume~0.base (store (select .cse19 c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base) .cse11 0))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| v_ArrVal_1691) c_~consume~0.base) .cse16 0) .cse4) 1))) (= |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| c_~consume~0.base)))))) .cse20) (or .cse7 (and (forall ((v_prenex_6 Int) (v_prenex_4 Int) (v_ArrVal_1682 (Array Int Int)) (v_ArrVal_1681 (Array Int Int)) (v_ArrVal_1692 (Array Int Int)) (v_prenex_5 (Array Int Int))) (let ((.cse21 (store |c_#length| v_prenex_6 12))) (or (< (select .cse21 v_prenex_4) 4) (< (+ (select (store (select (store (let ((.cse22 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1682))) (store .cse22 c_~consume~0.base (store (select .cse22 c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) v_prenex_6 v_prenex_5) c_~consume~0.base) .cse11 0) .cse4) 11) (select .cse21 (select (store (select (store (let ((.cse23 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1681))) (store .cse23 c_~consume~0.base (store (select .cse23 c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) v_prenex_6 v_ArrVal_1692) c_~consume~0.base) .cse11 v_prenex_6) .cse4))) (= v_prenex_6 c_~consume~0.base)))) (forall ((v_ArrVal_1682 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| Int)) (or (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store (let ((.cse24 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1682))) (store .cse24 c_~consume~0.base (store (select .cse24 c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| v_ArrVal_1691) c_~consume~0.base) .cse11 0) .cse4) 1))) (forall ((~queue1~0.base Int)) (< (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| 12) ~queue1~0.base) 4)) (= |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| c_~consume~0.base)))) .cse6 .cse8) (or .cse13 .cse7 .cse6 .cse20 (and (forall ((|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| Int)) (or (forall ((v_prenex_6 Int) (v_prenex_4 Int) (v_ArrVal_1682 (Array Int Int)) (v_ArrVal_1681 (Array Int Int)) (v_ArrVal_1692 (Array Int Int)) (v_prenex_5 (Array Int Int))) (let ((.cse25 (store (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| 12) v_prenex_6 12))) (or (< (+ (select (store (select (store (store (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base (store (select (store .cse10 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base) .cse11 0)) v_prenex_6 v_prenex_5) c_~consume~0.base) .cse16 0) .cse4) 11) (select .cse25 (select (store (select (store (store (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1681) c_~consume~0.base (store (select (store .cse12 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1681) c_~consume~0.base) .cse11 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|)) v_prenex_6 v_ArrVal_1692) c_~consume~0.base) .cse16 v_prenex_6) .cse4))) (= v_prenex_6 c_~consume~0.base) (< (select .cse25 v_prenex_4) 4)))) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|) 0)))) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| Int)) (or (forall ((v_ArrVal_1682 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| Int)) (or (forall ((~queue1~0.base Int)) (< (select (store (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| 12) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| 12) ~queue1~0.base) 4)) (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store (store (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base (store (select (store .cse10 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base) .cse11 0)) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| v_ArrVal_1691) c_~consume~0.base) .cse16 0) .cse4) 1))) (= |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| c_~consume~0.base))) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|) 0)))))) (or (< c_~n2~0 2147483648) (< c_~n_produce~0 0) (and (<= (+ c_~n_queue~0 1) 0) (= c_~size1~0 0)))))))) is different from false [2024-11-23 11:44:03,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:44:24,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:44:25,117 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse26 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse15 (+ c_~consume~0.offset .cse26))) (let ((.cse5 (store (select |c_#memory_$Pointer$.offset| c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse3 (store (select |c_#memory_$Pointer$.base| c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse0 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse8 (< .cse0 c_~state12~0)) (.cse13 (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~state12~0)) (.cse7 (not (= 3 c_~n2~0))) (.cse6 (< c_~state12~0 0)) (.cse20 (not (= (select |c_#valid| c_~consume~0.base) 1))) (.cse12 (store |c_#memory_$Pointer$.base| c_~consume~0.base .cse3)) (.cse10 (store |c_#memory_$Pointer$.offset| c_~consume~0.base .cse5)) (.cse11 (+ c_~consume~0.offset .cse26 4)) (.cse16 (+ c_~consume~0.offset .cse26 8)) (.cse4 (+ c_~consume~0.offset (* 4 c_~state12~0)))) (and (or (< .cse0 c_~n1~0) (< c_~n1~0 (+ c_~state12~0 1)) (let ((.cse1 (select .cse5 .cse4)) (.cse2 (< c_~n2~0 1))) (and (or (< 0 (+ .cse1 1)) .cse2) (or (< (+ .cse1 (* c_~n2~0 4)) (+ (select |c_#length| (select .cse3 .cse4)) 1)) .cse2))) (< |c_ULTIMATE.start_create_fresh_int_array_~i~1#1| |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse6 (forall ((~queue1~0.base Int)) (< (select |c_#length| ~queue1~0.base) 4))) (or .cse7 .cse6 .cse8 (and (forall ((v_prenex_6 Int) (v_prenex_4 Int) (v_ArrVal_1692 (Array Int Int)) (v_prenex_5 (Array Int Int))) (let ((.cse9 (store |c_#length| v_prenex_6 12))) (or (< (select .cse9 v_prenex_4) 4) (< (+ (select (store (select (store .cse10 v_prenex_6 v_prenex_5) c_~consume~0.base) .cse11 0) .cse4) 11) (select .cse9 (select (store (select (store .cse12 v_prenex_6 v_ArrVal_1692) c_~consume~0.base) .cse11 v_prenex_6) .cse4))) (= v_prenex_6 c_~consume~0.base)))) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| Int)) (or (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store .cse10 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| v_ArrVal_1691) c_~consume~0.base) .cse11 0) .cse4) 1))) (forall ((~queue1~0.base Int)) (< (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| 12) ~queue1~0.base) 4)) (= |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| c_~consume~0.base))))) (or .cse13 .cse7 .cse6 (and (forall ((v_ArrVal_1672 (Array Int Int)) (v_ArrVal_1671 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| Int)) (or (forall ((v_prenex_6 Int) (v_prenex_4 Int) (v_ArrVal_1682 (Array Int Int)) (v_ArrVal_1681 (Array Int Int)) (v_ArrVal_1692 (Array Int Int)) (v_prenex_5 (Array Int Int))) (let ((.cse17 (store (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| 12) v_prenex_6 12))) (or (< (+ (select (store (select (store (let ((.cse14 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1671))) (store (store .cse14 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base (store (select (store (store .cse14 c_~consume~0.base (store (select .cse14 c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base) .cse11 0))) v_prenex_6 v_prenex_5) c_~consume~0.base) .cse16 0) .cse4) 11) (select .cse17 (select (store (select (store (let ((.cse18 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1672))) (store (store .cse18 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1681) c_~consume~0.base (store (select (store (store .cse18 c_~consume~0.base (store (select .cse18 c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1681) c_~consume~0.base) .cse11 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|))) v_prenex_6 v_ArrVal_1692) c_~consume~0.base) .cse16 v_prenex_6) .cse4))) (= v_prenex_6 c_~consume~0.base) (< (select .cse17 v_prenex_4) 4)))) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|) 0)))) (forall ((v_ArrVal_1671 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|) 0)) (forall ((v_ArrVal_1682 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| Int)) (or (forall ((~queue1~0.base Int)) (< (select (store (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| 12) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| 12) ~queue1~0.base) 4)) (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store (let ((.cse19 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1671))) (store (store .cse19 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base (store (select (store (store .cse19 c_~consume~0.base (store (select .cse19 c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base) .cse11 0))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| v_ArrVal_1691) c_~consume~0.base) .cse16 0) .cse4) 1))) (= |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| c_~consume~0.base)))))) .cse20) (or .cse7 (and (forall ((v_prenex_6 Int) (v_prenex_4 Int) (v_ArrVal_1682 (Array Int Int)) (v_ArrVal_1681 (Array Int Int)) (v_ArrVal_1692 (Array Int Int)) (v_prenex_5 (Array Int Int))) (let ((.cse21 (store |c_#length| v_prenex_6 12))) (or (< (select .cse21 v_prenex_4) 4) (< (+ (select (store (select (store (let ((.cse22 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1682))) (store .cse22 c_~consume~0.base (store (select .cse22 c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) v_prenex_6 v_prenex_5) c_~consume~0.base) .cse11 0) .cse4) 11) (select .cse21 (select (store (select (store (let ((.cse23 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1681))) (store .cse23 c_~consume~0.base (store (select .cse23 c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) v_prenex_6 v_ArrVal_1692) c_~consume~0.base) .cse11 v_prenex_6) .cse4))) (= v_prenex_6 c_~consume~0.base)))) (forall ((v_ArrVal_1682 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| Int)) (or (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store (let ((.cse24 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1682))) (store .cse24 c_~consume~0.base (store (select .cse24 c_~consume~0.base) .cse15 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| v_ArrVal_1691) c_~consume~0.base) .cse11 0) .cse4) 1))) (forall ((~queue1~0.base Int)) (< (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| 12) ~queue1~0.base) 4)) (= |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| c_~consume~0.base)))) .cse6 .cse8) (or .cse13 .cse7 .cse6 .cse20 (and (forall ((|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| Int)) (or (forall ((v_prenex_6 Int) (v_prenex_4 Int) (v_ArrVal_1682 (Array Int Int)) (v_ArrVal_1681 (Array Int Int)) (v_ArrVal_1692 (Array Int Int)) (v_prenex_5 (Array Int Int))) (let ((.cse25 (store (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| 12) v_prenex_6 12))) (or (< (+ (select (store (select (store (store (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base (store (select (store .cse10 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base) .cse11 0)) v_prenex_6 v_prenex_5) c_~consume~0.base) .cse16 0) .cse4) 11) (select .cse25 (select (store (select (store (store (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1681) c_~consume~0.base (store (select (store .cse12 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1681) c_~consume~0.base) .cse11 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|)) v_prenex_6 v_ArrVal_1692) c_~consume~0.base) .cse16 v_prenex_6) .cse4))) (= v_prenex_6 c_~consume~0.base) (< (select .cse25 v_prenex_4) 4)))) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|) 0)))) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| Int)) (or (forall ((v_ArrVal_1682 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| Int)) (or (forall ((~queue1~0.base Int)) (< (select (store (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| 12) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| 12) ~queue1~0.base) 4)) (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store (store (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base (store (select (store .cse10 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base) .cse11 0)) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| v_ArrVal_1691) c_~consume~0.base) .cse16 0) .cse4) 1))) (= |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| c_~consume~0.base))) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|) 0))))))))))) is different from false [2024-11-23 11:44:27,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:44:29,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:44:31,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:44:41,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:44:43,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:44:46,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:44:48,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:44:53,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:44:56,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:44:58,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:45:00,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:45:32,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:45:32,976 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse23 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse2 (+ c_~consume~0.offset .cse23)) (.cse0 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse6 (< .cse0 c_~state12~0)) (.cse11 (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~state12~0)) (.cse5 (not (= 3 c_~n2~0))) (.cse4 (< c_~state12~0 0)) (.cse17 (not (= (select |c_#valid| c_~consume~0.base) 1))) (.cse10 (store |c_#memory_$Pointer$.base| c_~consume~0.base (store (select |c_#memory_$Pointer$.base| c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (.cse8 (store |c_#memory_$Pointer$.offset| c_~consume~0.base (store (select |c_#memory_$Pointer$.offset| c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (.cse9 (+ c_~consume~0.offset .cse23 4)) (.cse13 (+ c_~consume~0.offset .cse23 8)) (.cse3 (+ c_~consume~0.offset (* 4 c_~state12~0)))) (and (or (< .cse0 c_~n1~0) (< c_~n1~0 (+ c_~state12~0 1)) (let ((.cse1 (< c_~n2~0 1))) (and (or .cse1 (forall ((v_ArrVal_1692 (Array Int Int)) (v_ArrVal_1691 (Array Int Int))) (< (+ (* c_~n2~0 4) (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1691) c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) .cse3)) (+ (select |c_#length| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1692) c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse3)) 1)))) (or (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1691) c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) .cse3) 1))) .cse1))) .cse4 (forall ((~queue1~0.base Int)) (< (select |c_#length| ~queue1~0.base) 4)) (< (+ 1 |c_ULTIMATE.start_create_fresh_int_array_~i~1#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (< (select |c_#length| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~1#1|) 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (or .cse5 .cse4 .cse6 (and (forall ((v_prenex_6 Int) (v_prenex_4 Int) (v_ArrVal_1692 (Array Int Int)) (v_prenex_5 (Array Int Int))) (let ((.cse7 (store |c_#length| v_prenex_6 12))) (or (< (select .cse7 v_prenex_4) 4) (< (+ (select (store (select (store .cse8 v_prenex_6 v_prenex_5) c_~consume~0.base) .cse9 0) .cse3) 11) (select .cse7 (select (store (select (store .cse10 v_prenex_6 v_ArrVal_1692) c_~consume~0.base) .cse9 v_prenex_6) .cse3))) (= v_prenex_6 c_~consume~0.base)))) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| Int)) (or (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store .cse8 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| v_ArrVal_1691) c_~consume~0.base) .cse9 0) .cse3) 1))) (forall ((~queue1~0.base Int)) (< (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| 12) ~queue1~0.base) 4)) (= |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| c_~consume~0.base))))) (or .cse11 .cse5 .cse4 (and (forall ((v_ArrVal_1672 (Array Int Int)) (v_ArrVal_1671 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| Int)) (or (forall ((v_prenex_6 Int) (v_prenex_4 Int) (v_ArrVal_1682 (Array Int Int)) (v_ArrVal_1681 (Array Int Int)) (v_ArrVal_1692 (Array Int Int)) (v_prenex_5 (Array Int Int))) (let ((.cse14 (store (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| 12) v_prenex_6 12))) (or (< (+ (select (store (select (store (let ((.cse12 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1671))) (store (store .cse12 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base (store (select (store (store .cse12 c_~consume~0.base (store (select .cse12 c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base) .cse9 0))) v_prenex_6 v_prenex_5) c_~consume~0.base) .cse13 0) .cse3) 11) (select .cse14 (select (store (select (store (let ((.cse15 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1672))) (store (store .cse15 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1681) c_~consume~0.base (store (select (store (store .cse15 c_~consume~0.base (store (select .cse15 c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1681) c_~consume~0.base) .cse9 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|))) v_prenex_6 v_ArrVal_1692) c_~consume~0.base) .cse13 v_prenex_6) .cse3))) (= v_prenex_6 c_~consume~0.base) (< (select .cse14 v_prenex_4) 4)))) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|) 0)))) (forall ((v_ArrVal_1671 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|) 0)) (forall ((v_ArrVal_1682 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| Int)) (or (forall ((~queue1~0.base Int)) (< (select (store (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| 12) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| 12) ~queue1~0.base) 4)) (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store (let ((.cse16 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1671))) (store (store .cse16 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base (store (select (store (store .cse16 c_~consume~0.base (store (select .cse16 c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base) .cse9 0))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| v_ArrVal_1691) c_~consume~0.base) .cse13 0) .cse3) 1))) (= |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| c_~consume~0.base)))))) .cse17) (or .cse5 (and (forall ((v_prenex_6 Int) (v_prenex_4 Int) (v_ArrVal_1682 (Array Int Int)) (v_ArrVal_1681 (Array Int Int)) (v_ArrVal_1692 (Array Int Int)) (v_prenex_5 (Array Int Int))) (let ((.cse18 (store |c_#length| v_prenex_6 12))) (or (< (select .cse18 v_prenex_4) 4) (< (+ (select (store (select (store (let ((.cse19 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1682))) (store .cse19 c_~consume~0.base (store (select .cse19 c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) v_prenex_6 v_prenex_5) c_~consume~0.base) .cse9 0) .cse3) 11) (select .cse18 (select (store (select (store (let ((.cse20 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1681))) (store .cse20 c_~consume~0.base (store (select .cse20 c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) v_prenex_6 v_ArrVal_1692) c_~consume~0.base) .cse9 v_prenex_6) .cse3))) (= v_prenex_6 c_~consume~0.base)))) (forall ((v_ArrVal_1682 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| Int)) (or (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store (let ((.cse21 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1682))) (store .cse21 c_~consume~0.base (store (select .cse21 c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| v_ArrVal_1691) c_~consume~0.base) .cse9 0) .cse3) 1))) (forall ((~queue1~0.base Int)) (< (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| 12) ~queue1~0.base) 4)) (= |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| c_~consume~0.base)))) .cse4 .cse6) (or .cse11 .cse5 .cse4 .cse17 (and (forall ((|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| Int)) (or (forall ((v_prenex_6 Int) (v_prenex_4 Int) (v_ArrVal_1682 (Array Int Int)) (v_ArrVal_1681 (Array Int Int)) (v_ArrVal_1692 (Array Int Int)) (v_prenex_5 (Array Int Int))) (let ((.cse22 (store (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| 12) v_prenex_6 12))) (or (< (+ (select (store (select (store (store (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base (store (select (store .cse8 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base) .cse9 0)) v_prenex_6 v_prenex_5) c_~consume~0.base) .cse13 0) .cse3) 11) (select .cse22 (select (store (select (store (store (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1681) c_~consume~0.base (store (select (store .cse10 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1681) c_~consume~0.base) .cse9 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|)) v_prenex_6 v_ArrVal_1692) c_~consume~0.base) .cse13 v_prenex_6) .cse3))) (= v_prenex_6 c_~consume~0.base) (< (select .cse22 v_prenex_4) 4)))) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|) 0)))) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| Int)) (or (forall ((v_ArrVal_1682 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| Int)) (or (forall ((~queue1~0.base Int)) (< (select (store (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| 12) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| 12) ~queue1~0.base) 4)) (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store (store (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base (store (select (store .cse8 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base) .cse9 0)) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| v_ArrVal_1691) c_~consume~0.base) .cse13 0) .cse3) 1))) (= |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| c_~consume~0.base))) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|) 0)))))))))) is different from false [2024-11-23 11:45:33,003 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse12 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (let ((.cse5 (not (= 3 c_~n2~0))) (.cse2 (+ c_~consume~0.offset .cse12)) (.cse7 (+ c_~consume~0.offset .cse12 4)) (.cse3 (+ c_~consume~0.offset (* 4 c_~state12~0))) (.cse4 (< c_~state12~0 0)) (.cse0 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (and (or (< .cse0 c_~n1~0) (< c_~n1~0 (+ c_~state12~0 1)) (let ((.cse1 (< c_~n2~0 1))) (and (or .cse1 (forall ((v_ArrVal_1692 (Array Int Int)) (v_ArrVal_1691 (Array Int Int))) (< (+ (* c_~n2~0 4) (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1691) c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) .cse3)) (+ (select |c_#length| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1692) c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse3)) 1)))) (or (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1691) c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) .cse3) 1))) .cse1))) .cse4 (forall ((~queue1~0.base Int)) (< (select |c_#length| ~queue1~0.base) 4)) (< (+ 1 |c_ULTIMATE.start_create_fresh_int_array_~i~1#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (< (select |c_#length| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~1#1|) 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (or (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~state12~0) .cse5 .cse4 (let ((.cse8 (+ c_~consume~0.offset .cse12 8))) (and (forall ((v_ArrVal_1672 (Array Int Int)) (v_ArrVal_1671 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| Int)) (or (forall ((v_prenex_6 Int) (v_prenex_4 Int) (v_ArrVal_1682 (Array Int Int)) (v_ArrVal_1681 (Array Int Int)) (v_ArrVal_1692 (Array Int Int)) (v_prenex_5 (Array Int Int))) (let ((.cse9 (store (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| 12) v_prenex_6 12))) (or (< (+ (select (store (select (store (let ((.cse6 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1671))) (store (store .cse6 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base (store (select (store (store .cse6 c_~consume~0.base (store (select .cse6 c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base) .cse7 0))) v_prenex_6 v_prenex_5) c_~consume~0.base) .cse8 0) .cse3) 11) (select .cse9 (select (store (select (store (let ((.cse10 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1672))) (store (store .cse10 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1681) c_~consume~0.base (store (select (store (store .cse10 c_~consume~0.base (store (select .cse10 c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1681) c_~consume~0.base) .cse7 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|))) v_prenex_6 v_ArrVal_1692) c_~consume~0.base) .cse8 v_prenex_6) .cse3))) (= v_prenex_6 c_~consume~0.base) (< (select .cse9 v_prenex_4) 4)))) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|) 0)))) (forall ((v_ArrVal_1671 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310|) 0)) (forall ((v_ArrVal_1682 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| Int)) (or (forall ((~queue1~0.base Int)) (< (select (store (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| 12) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| 12) ~queue1~0.base) 4)) (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store (let ((.cse11 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1671))) (store (store .cse11 |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base (store (select (store (store .cse11 c_~consume~0.base (store (select .cse11 c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_310| v_ArrVal_1682) c_~consume~0.base) .cse7 0))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| v_ArrVal_1691) c_~consume~0.base) .cse8 0) .cse3) 1))) (= |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| c_~consume~0.base))))))) (not (= (select |c_#valid| c_~consume~0.base) 1))) (or .cse5 (and (forall ((v_prenex_6 Int) (v_prenex_4 Int) (v_ArrVal_1682 (Array Int Int)) (v_ArrVal_1681 (Array Int Int)) (v_ArrVal_1692 (Array Int Int)) (v_prenex_5 (Array Int Int))) (let ((.cse13 (store |c_#length| v_prenex_6 12))) (or (< (select .cse13 v_prenex_4) 4) (< (+ (select (store (select (store (let ((.cse14 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1682))) (store .cse14 c_~consume~0.base (store (select .cse14 c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) v_prenex_6 v_prenex_5) c_~consume~0.base) .cse7 0) .cse3) 11) (select .cse13 (select (store (select (store (let ((.cse15 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1681))) (store .cse15 c_~consume~0.base (store (select .cse15 c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) v_prenex_6 v_ArrVal_1692) c_~consume~0.base) .cse7 v_prenex_6) .cse3))) (= v_prenex_6 c_~consume~0.base)))) (forall ((v_ArrVal_1682 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| Int)) (or (forall ((v_ArrVal_1691 (Array Int Int))) (< 0 (+ (select (store (select (store (let ((.cse16 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1682))) (store .cse16 c_~consume~0.base (store (select .cse16 c_~consume~0.base) .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| v_ArrVal_1691) c_~consume~0.base) .cse7 0) .cse3) 1))) (forall ((~queue1~0.base Int)) (< (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| 12) ~queue1~0.base) 4)) (= |v_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base_309| c_~consume~0.base)))) .cse4 (< .cse0 c_~state12~0))))) is different from false [2024-11-23 11:45:58,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:46:00,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:46:03,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 11:46:37,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:37,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:46:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:46:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:46:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:46:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:46:37,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-11-23 11:46:37,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-23 11:46:38,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:46:38,052 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:46:38,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:46:38,053 INFO L85 PathProgramCache]: Analyzing trace with hash -900011090, now seen corresponding path program 1 times [2024-11-23 11:46:38,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:46:38,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184278707] [2024-11-23 11:46:38,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:46:38,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:46:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:46:38,306 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 777 trivial. 0 not checked. [2024-11-23 11:46:38,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:46:38,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184278707] [2024-11-23 11:46:38,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184278707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:46:38,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:46:38,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 11:46:38,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551535627] [2024-11-23 11:46:38,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:46:38,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:46:38,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:46:38,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:46:38,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:46:38,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:46:38,315 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:46:38,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:46:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:46:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:46:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:46:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:46:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:46:38,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-11-23 11:46:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:46:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:46:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:46:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:46:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:46:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:46:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-11-23 11:46:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:41,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 11:46:41,021 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:46:41,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:46:41,021 INFO L85 PathProgramCache]: Analyzing trace with hash -900011089, now seen corresponding path program 1 times [2024-11-23 11:46:41,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:46:41,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270318688] [2024-11-23 11:46:41,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:46:41,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:46:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:46:41,748 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2024-11-23 11:46:41,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:46:41,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270318688] [2024-11-23 11:46:41,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270318688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:46:41,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319547685] [2024-11-23 11:46:41,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:46:41,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:46:41,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:46:41,751 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:46:41,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-23 11:46:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:46:42,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 11:46:42,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:46:42,645 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2024-11-23 11:46:42,645 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:46:42,979 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2024-11-23 11:46:42,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319547685] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 11:46:42,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-23 11:46:42,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 13 [2024-11-23 11:46:42,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983888760] [2024-11-23 11:46:42,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:46:42,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 11:46:42,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:46:42,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 11:46:42,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-23 11:46:42,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:46:42,983 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:46:42,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:46:42,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:42,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:42,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:42,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:42,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:42,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:42,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:42,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:42,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:46:42,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:42,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:46:42,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:46:42,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:46:42,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:46:42,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-11-23 11:46:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-11-23 11:46:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:43,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:43,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-23 11:46:43,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-23 11:46:43,759 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:46:43,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:46:43,760 INFO L85 PathProgramCache]: Analyzing trace with hash 378929828, now seen corresponding path program 1 times [2024-11-23 11:46:43,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:46:43,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317999335] [2024-11-23 11:46:43,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:46:43,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:46:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:46:44,562 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2024-11-23 11:46:44,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:46:44,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317999335] [2024-11-23 11:46:44,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317999335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:46:44,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101230227] [2024-11-23 11:46:44,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:46:44,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:46:44,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:46:44,566 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:46:44,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-23 11:46:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:46:45,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 11:46:45,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:46:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2024-11-23 11:46:45,498 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:46:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2024-11-23 11:46:45,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101230227] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:46:45,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:46:45,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-23 11:46:45,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359037036] [2024-11-23 11:46:45,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:46:45,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 11:46:45,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:46:45,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 11:46:45,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-23 11:46:45,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:46:45,885 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:46:45,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:46:45,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:45,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-11-23 11:46:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:47,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:46:47,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-23 11:46:47,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-23 11:46:47,647 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:46:47,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:46:47,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1080504409, now seen corresponding path program 2 times [2024-11-23 11:46:47,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:46:47,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973710447] [2024-11-23 11:46:47,648 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:46:47,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:46:47,712 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 11:46:47,712 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:46:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2024-11-23 11:46:47,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:46:47,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973710447] [2024-11-23 11:46:47,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973710447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:46:47,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:46:47,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:46:47,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383220074] [2024-11-23 11:46:47,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:46:47,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 11:46:47,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:46:47,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 11:46:47,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-23 11:46:47,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:46:47,904 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:46:47,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:46:47,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:46:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:46:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:46:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:46:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:46:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-11-23 11:46:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:46:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:46:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:46:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:46:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:46:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:46:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:46:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-11-23 11:46:50,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:50,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:50,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:46:50,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:50,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 11:46:50,387 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:46:50,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:46:50,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1584193713, now seen corresponding path program 1 times [2024-11-23 11:46:50,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:46:50,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594447390] [2024-11-23 11:46:50,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:46:50,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:46:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:46:51,846 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 17 proven. 368 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2024-11-23 11:46:51,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:46:51,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594447390] [2024-11-23 11:46:51,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594447390] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:46:51,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799648273] [2024-11-23 11:46:51,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:46:51,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:46:51,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:46:51,851 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:46:51,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-23 11:46:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:46:52,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 1291 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 11:46:52,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:46:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 377 proven. 221 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-23 11:46:53,869 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:46:55,619 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 459 proven. 139 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-23 11:46:55,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799648273] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:46:55,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:46:55,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 33 [2024-11-23 11:46:55,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483066497] [2024-11-23 11:46:55,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:46:55,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-23 11:46:55,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:46:55,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-23 11:46:55,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=888, Unknown=0, NotChecked=0, Total=1056 [2024-11-23 11:46:55,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:46:55,622 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:46:55,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.1818181818181817) internal successors, (105), 33 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:46:55,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:55,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:55,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:55,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:55,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:55,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:55,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:55,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:55,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:46:55,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:46:55,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:46:55,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:46:55,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:46:55,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:46:55,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-11-23 11:46:55,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:46:55,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:46:55,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:46:55,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:46:55,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:47:00,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:47:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:47:00,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-23 11:47:00,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-23 11:47:00,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:47:00,872 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:47:00,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:47:00,872 INFO L85 PathProgramCache]: Analyzing trace with hash -2066361952, now seen corresponding path program 1 times [2024-11-23 11:47:00,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:47:00,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200628452] [2024-11-23 11:47:00,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:47:00,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:47:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:47:02,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 22 proven. 515 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2024-11-23 11:47:02,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:47:02,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200628452] [2024-11-23 11:47:02,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200628452] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:47:02,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908221511] [2024-11-23 11:47:02,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:47:02,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:47:02,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:47:02,298 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:47:02,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-23 11:47:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:47:02,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 11:47:02,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:47:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 462 proven. 330 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-23 11:47:04,794 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:47:07,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 584 proven. 208 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-23 11:47:07,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908221511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:47:07,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:47:07,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 39 [2024-11-23 11:47:07,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923865817] [2024-11-23 11:47:07,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:47:07,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-23 11:47:07,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:47:07,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-23 11:47:07,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=1255, Unknown=0, NotChecked=0, Total=1482 [2024-11-23 11:47:07,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:47:07,114 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:47:07,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.871794871794872) internal successors, (112), 39 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:47:07,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:47:07,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:47:07,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-23 11:47:07,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-11-23 11:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:47:12,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:12,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:47:12,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:47:12,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-23 11:47:12,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:47:12,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-23 11:47:13,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:47:13,100 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:47:13,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:47:13,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1651274160, now seen corresponding path program 2 times [2024-11-23 11:47:13,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:47:13,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515936388] [2024-11-23 11:47:13,101 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:47:13,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:47:13,255 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:47:13,256 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:47:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 29 proven. 684 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2024-11-23 11:47:14,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:47:14,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515936388] [2024-11-23 11:47:14,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515936388] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:47:14,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555294515] [2024-11-23 11:47:14,967 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:47:14,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:47:14,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:47:14,969 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:47:14,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-23 11:47:15,626 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:47:15,627 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:47:15,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 1404 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 11:47:15,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:47:17,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 549 proven. 461 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-11-23 11:47:17,977 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:47:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 719 proven. 291 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-11-23 11:47:21,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555294515] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:47:21,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:47:21,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 45 [2024-11-23 11:47:21,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090745027] [2024-11-23 11:47:21,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:47:21,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-23 11:47:21,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:47:21,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-23 11:47:21,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1685, Unknown=0, NotChecked=0, Total=1980 [2024-11-23 11:47:21,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:47:21,142 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:47:21,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.7555555555555555) internal successors, (124), 45 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:47:21,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:47:21,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:47:21,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:47:21,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:47:21,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:21,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:21,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:21,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:47:21,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:47:21,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:47:21,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:47:21,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:47:21,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:47:21,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:47:21,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-11-23 11:47:21,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:47:21,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:21,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:47:21,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:47:21,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-23 11:47:21,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:47:21,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:47:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:47:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:47:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:47:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:47:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:47:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:47:28,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:47:28,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:47:28,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-23 11:47:28,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:47:28,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:47:28,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-11-23 11:47:28,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:47:28,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:47:28,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:47:28,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:47:28,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-23 11:47:28,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-23 11:47:28,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-23 11:47:28,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-23 11:47:28,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:47:28,291 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2024-11-23 11:47:28,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:47:28,292 INFO L85 PathProgramCache]: Analyzing trace with hash -2136897792, now seen corresponding path program 3 times [2024-11-23 11:47:28,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:47:28,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275273993] [2024-11-23 11:47:28,292 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:47:28,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:47:28,734 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-23 11:47:28,735 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:47:30,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1573 backedges. 38 proven. 824 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2024-11-23 11:47:30,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:47:30,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275273993] [2024-11-23 11:47:30,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275273993] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:47:30,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060482969] [2024-11-23 11:47:30,487 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:47:30,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:47:30,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:47:30,489 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:47:30,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cfdb801-d851-4a98-8cfd-ff559abac641/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process