./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco --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 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 06:28:21,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:28:22,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-27 06:28:22,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:28:22,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:28:22,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:28:22,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:28:22,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:28:22,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:28:22,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:28:22,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:28:22,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:28:22,158 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:28:22,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:28:22,159 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:28:22,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:28:22,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:28:22,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:28:22,159 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-27 06:28:22,159 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-27 06:28:22,159 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-27 06:28:22,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:28:22,159 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 06:28:22,159 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 06:28:22,161 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:28:22,161 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:28:22,161 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:28:22,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:28:22,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:28:22,161 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 06:28:22,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:28:22,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:28:22,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:28:22,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:28:22,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:28:22,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:28:22,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:28:22,164 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-27 06:28:22,164 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:28:22,164 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:28:22,164 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:28:22,164 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_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco 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 -> 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 [2024-11-27 06:28:22,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:28:22,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:28:22,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:28:22,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:28:22,571 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:28:22,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2024-11-27 06:28:25,741 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/data/225dae59e/256d7280c39c4891be1d02efb49b54ff/FLAG9eeb23360 [2024-11-27 06:28:26,087 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:28:26,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2024-11-27 06:28:26,103 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/data/225dae59e/256d7280c39c4891be1d02efb49b54ff/FLAG9eeb23360 [2024-11-27 06:28:26,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/data/225dae59e/256d7280c39c4891be1d02efb49b54ff [2024-11-27 06:28:26,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:28:26,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:28:26,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:28:26,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:28:26,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:28:26,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:28:26" (1/1) ... [2024-11-27 06:28:26,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b50b7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:26, skipping insertion in model container [2024-11-27 06:28:26,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:28:26" (1/1) ... [2024-11-27 06:28:26,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:28:26,510 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 06:28:26,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:28:26,539 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:28:26,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:28:26,707 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:28:26,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:26 WrapperNode [2024-11-27 06:28:26,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:28:26,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:28:26,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:28:26,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:28:26,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:26" (1/1) ... [2024-11-27 06:28:26,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:26" (1/1) ... [2024-11-27 06:28:26,839 INFO L138 Inliner]: procedures = 24, calls = 298, calls flagged for inlining = 70, calls inlined = 98, statements flattened = 1549 [2024-11-27 06:28:26,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:28:26,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:28:26,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:28:26,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:28:26,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:26" (1/1) ... [2024-11-27 06:28:26,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:26" (1/1) ... [2024-11-27 06:28:26,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:26" (1/1) ... [2024-11-27 06:28:26,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:26" (1/1) ... [2024-11-27 06:28:26,930 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:26" (1/1) ... [2024-11-27 06:28:26,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:26" (1/1) ... [2024-11-27 06:28:26,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:26" (1/1) ... [2024-11-27 06:28:26,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:26" (1/1) ... [2024-11-27 06:28:26,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:26" (1/1) ... [2024-11-27 06:28:27,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:28:27,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:28:27,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:28:27,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:28:27,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:26" (1/1) ... [2024-11-27 06:28:27,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:28:27,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:28:27,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:28:27,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:28:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:28:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 06:28:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 06:28:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 06:28:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 06:28:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:28:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 06:28:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 06:28:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 06:28:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 06:28:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:28:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:28:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 06:28:27,120 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 06:28:27,398 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:28:27,401 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:28:30,840 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:28:30,840 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:28:39,734 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:28:39,735 INFO L312 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-27 06:28:39,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:28:39 BoogieIcfgContainer [2024-11-27 06:28:39,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:28:39,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:28:39,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:28:39,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:28:39,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:28:26" (1/3) ... [2024-11-27 06:28:39,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e882719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:28:39, skipping insertion in model container [2024-11-27 06:28:39,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:26" (2/3) ... [2024-11-27 06:28:39,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e882719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:28:39, skipping insertion in model container [2024-11-27 06:28:39,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:28:39" (3/3) ... [2024-11-27 06:28:39,752 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2024-11-27 06:28:39,774 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:28:39,777 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-symm.wvr.c that has 3 procedures, 445 locations, 1 initial locations, 12 loop locations, and 370 error locations. [2024-11-27 06:28:39,778 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 06:28:42,099 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-27 06:28:42,156 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:28:42,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-27 06:28:42,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:28:42,162 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-27 06:28:42,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-27 06:28:42,367 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:28:42,379 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork1 ======== [2024-11-27 06:28:42,390 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;@c46d019, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:28:42,391 INFO L334 AbstractCegarLoop]: Starting to check reachability of 176 error locations. [2024-11-27 06:28:53,273 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:28:53,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:28:53,279 INFO L85 PathProgramCache]: Analyzing trace with hash -607055882, now seen corresponding path program 1 times [2024-11-27 06:28:53,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:28:53,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897884035] [2024-11-27 06:28:53,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:28:53,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:28:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:28:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:28:54,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:28:54,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897884035] [2024-11-27 06:28:54,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897884035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:28:54,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:28:54,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:28:54,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026847265] [2024-11-27 06:28:54,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:28:54,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:28:54,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:28:54,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:28:54,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:28:54,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:54,103 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:28:54,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:28:54,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:28:54,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 06:28:54,405 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:28:54,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:28:54,407 INFO L85 PathProgramCache]: Analyzing trace with hash -205331503, now seen corresponding path program 1 times [2024-11-27 06:28:54,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:28:54,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253210179] [2024-11-27 06:28:54,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:28:54,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:28:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:28:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:28:54,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:28:54,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253210179] [2024-11-27 06:28:54,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253210179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:28:54,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794882874] [2024-11-27 06:28:54,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:28:54,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:28:54,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:28:54,822 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:28:54,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 06:28:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:28:56,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 06:28:56,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:28:56,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 06:28:56,493 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 06:28:56,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794882874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:28:56,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 06:28:56,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-27 06:28:56,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203747476] [2024-11-27 06:28:56,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:28:56,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:28:56,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:28:56,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:28:56,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 06:28:56,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:56,498 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:28:56,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:28:56,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:28:56,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:56,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:28:56,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:28:56,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 06:28:56,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:28:56,864 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:28:56,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:28:56,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1304407449, now seen corresponding path program 1 times [2024-11-27 06:28:56,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:28:56,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200627330] [2024-11-27 06:28:56,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:28:56,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:28:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:28:57,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 06:28:57,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:28:57,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200627330] [2024-11-27 06:28:57,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200627330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:28:57,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:28:57,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:28:57,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506774392] [2024-11-27 06:28:57,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:28:57,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:28:57,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:28:57,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:28:57,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:28:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:57,081 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:28:57,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:28:57,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:28:57,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:28:57,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:28:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:28:57,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:28:57,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 06:28:57,221 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:28:57,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:28:57,222 INFO L85 PathProgramCache]: Analyzing trace with hash 970286724, now seen corresponding path program 1 times [2024-11-27 06:28:57,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:28:57,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057037427] [2024-11-27 06:28:57,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:28:57,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:28:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:28:57,552 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 06:28:57,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:28:57,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057037427] [2024-11-27 06:28:57,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057037427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:28:57,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254618668] [2024-11-27 06:28:57,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:28:57,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:28:57,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:28:57,558 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:28:57,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 06:28:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:28:59,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 06:28:59,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:28:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 06:28:59,168 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:28:59,198 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 06:28:59,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254618668] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:28:59,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:28:59,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2024-11-27 06:28:59,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160642569] [2024-11-27 06:28:59,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:28:59,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 06:28:59,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:28:59,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 06:28:59,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-27 06:28:59,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:59,202 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:28:59,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:28:59,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:28:59,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:28:59,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:28:59,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:59,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:28:59,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:28:59,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:28:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:59,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 06:28:59,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:28:59,715 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:28:59,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:28:59,715 INFO L85 PathProgramCache]: Analyzing trace with hash 896776984, now seen corresponding path program 2 times [2024-11-27 06:28:59,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:28:59,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159176844] [2024-11-27 06:28:59,716 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:28:59,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:28:59,800 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:28:59,800 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:00,525 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-27 06:29:00,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:00,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159176844] [2024-11-27 06:29:00,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159176844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:29:00,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:29:00,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 06:29:00,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477400823] [2024-11-27 06:29:00,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:29:00,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 06:29:00,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:00,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 06:29:00,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 06:29:00,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:00,530 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:00,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:29:00,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:00,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:00,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:00,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:00,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:08,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:08,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:08,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:08,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:08,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:08,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 06:29:08,600 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:29:08,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:08,600 INFO L85 PathProgramCache]: Analyzing trace with hash 896776985, now seen corresponding path program 1 times [2024-11-27 06:29:08,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:08,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573884046] [2024-11-27 06:29:08,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:08,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:09,014 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 06:29:09,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:09,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573884046] [2024-11-27 06:29:09,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573884046] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:09,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111001547] [2024-11-27 06:29:09,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:09,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:09,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:09,017 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:09,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 06:29:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:10,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 06:29:10,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:10,850 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 06:29:10,851 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:29:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 06:29:10,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111001547] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:29:10,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:29:10,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-27 06:29:10,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392789698] [2024-11-27 06:29:10,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:29:10,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 06:29:10,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:10,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 06:29:10,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2024-11-27 06:29:10,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:10,892 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:10,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 11 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:29:10,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:10,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:10,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:10,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:10,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:10,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:11,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:11,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:11,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:11,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:11,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:11,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:11,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 06:29:11,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-27 06:29:11,465 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:29:11,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:11,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1932154158, now seen corresponding path program 2 times [2024-11-27 06:29:11,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:11,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963623933] [2024-11-27 06:29:11,466 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:29:11,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:11,545 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:29:11,546 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:12,206 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-27 06:29:12,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:12,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963623933] [2024-11-27 06:29:12,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963623933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:29:12,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:29:12,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 06:29:12,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059332058] [2024-11-27 06:29:12,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:29:12,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 06:29:12,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:12,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 06:29:12,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-27 06:29:12,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:12,215 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:12,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:29:12,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:12,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:12,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:12,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:12,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:12,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:12,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:20,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:20,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:20,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:20,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:20,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:20,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:20,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:20,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 06:29:20,148 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:29:20,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:20,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1932154157, now seen corresponding path program 1 times [2024-11-27 06:29:20,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:20,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620178877] [2024-11-27 06:29:20,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:20,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:20,555 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-27 06:29:20,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:20,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620178877] [2024-11-27 06:29:20,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620178877] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:20,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850785944] [2024-11-27 06:29:20,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:20,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:20,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:20,558 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:20,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 06:29:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:22,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 06:29:22,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:22,306 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-27 06:29:22,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:29:22,416 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-27 06:29:22,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850785944] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:29:22,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:29:22,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2024-11-27 06:29:22,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708237580] [2024-11-27 06:29:22,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:29:22,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-27 06:29:22,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:22,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-27 06:29:22,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=200, Unknown=0, NotChecked=0, Total=380 [2024-11-27 06:29:22,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:22,419 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:22,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.15) internal successors, (63), 20 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:29:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:22,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:22,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:22,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:22,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 06:29:23,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:23,089 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:29:23,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:23,090 INFO L85 PathProgramCache]: Analyzing trace with hash 88407504, now seen corresponding path program 2 times [2024-11-27 06:29:23,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:23,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528674848] [2024-11-27 06:29:23,090 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:29:23,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:23,166 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:29:23,167 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:23,700 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-27 06:29:23,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:23,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528674848] [2024-11-27 06:29:23,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528674848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:29:23,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:29:23,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 06:29:23,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509568653] [2024-11-27 06:29:23,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:29:23,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 06:29:23,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:23,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 06:29:23,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 06:29:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:23,703 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:23,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:29:23,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:23,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:23,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:23,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:23,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:23,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:23,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:23,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:23,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:26,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:26,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:26,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:26,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:26,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:26,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:26,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:26,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 06:29:26,824 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:29:26,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:26,825 INFO L85 PathProgramCache]: Analyzing trace with hash 88407505, now seen corresponding path program 1 times [2024-11-27 06:29:26,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:26,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392486349] [2024-11-27 06:29:26,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:26,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-27 06:29:27,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:27,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392486349] [2024-11-27 06:29:27,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392486349] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:27,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521271054] [2024-11-27 06:29:27,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:27,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:27,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:27,524 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:27,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 06:29:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:29,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 06:29:29,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-27 06:29:29,377 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:29:29,570 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-27 06:29:29,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521271054] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:29:29,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:29:29,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29 [2024-11-27 06:29:29,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196450814] [2024-11-27 06:29:29,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:29:29,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-27 06:29:29,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:29,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-27 06:29:29,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=484, Unknown=0, NotChecked=0, Total=812 [2024-11-27 06:29:29,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:29,574 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:29,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.8275862068965516) internal successors, (82), 29 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:29:29,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:29,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:29,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:29,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:29,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:29,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:29,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:29,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:29,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:29,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:30,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:29:30,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 06:29:30,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 06:29:30,270 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:29:30,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:30,271 INFO L85 PathProgramCache]: Analyzing trace with hash 96512684, now seen corresponding path program 2 times [2024-11-27 06:29:30,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:30,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597865661] [2024-11-27 06:29:30,271 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:29:30,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:30,547 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:29:30,548 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:31,495 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2024-11-27 06:29:31,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:31,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597865661] [2024-11-27 06:29:31,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597865661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:29:31,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:29:31,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 06:29:31,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001614462] [2024-11-27 06:29:31,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:29:31,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 06:29:31,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:31,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 06:29:31,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-27 06:29:31,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:31,503 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:31,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:29:31,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:31,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:31,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:31,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:31,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:31,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:31,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:31,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:31,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:31,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:29:31,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:36,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:36,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:36,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:36,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:36,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:36,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:36,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:36,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:36,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:36,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:29:36,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:36,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 06:29:36,310 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:29:36,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:36,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1884495588, now seen corresponding path program 1 times [2024-11-27 06:29:36,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:36,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693095460] [2024-11-27 06:29:36,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:36,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:36,607 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-11-27 06:29:36,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:36,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693095460] [2024-11-27 06:29:36,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693095460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:29:36,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:29:36,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:29:36,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328447207] [2024-11-27 06:29:36,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:29:36,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:29:36,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:36,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:29:36,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:29:36,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:36,612 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:36,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:29:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:36,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:36,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:29:36,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:36,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:41,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:41,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:29:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:41,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:41,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 06:29:41,731 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:29:41,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:41,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1884495589, now seen corresponding path program 1 times [2024-11-27 06:29:41,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:41,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525223355] [2024-11-27 06:29:41,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:41,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2024-11-27 06:29:42,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:42,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525223355] [2024-11-27 06:29:42,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525223355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:42,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984262477] [2024-11-27 06:29:42,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:42,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:42,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:42,371 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:42,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 06:29:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:44,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 06:29:44,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:44,367 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 156 proven. 13 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-27 06:29:44,367 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:29:44,480 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 22 treesize of output 18 [2024-11-27 06:29:44,866 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 156 proven. 13 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-27 06:29:44,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984262477] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:29:44,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:29:44,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 36 [2024-11-27 06:29:44,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903578410] [2024-11-27 06:29:44,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:29:44,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-27 06:29:44,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:44,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-27 06:29:44,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=949, Unknown=0, NotChecked=0, Total=1332 [2024-11-27 06:29:44,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:44,870 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:44,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.0) internal successors, (108), 37 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:29:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:29:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:29:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:52,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:29:52,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:52,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:52,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:29:52,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 06:29:52,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-27 06:29:52,239 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:29:52,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:52,240 INFO L85 PathProgramCache]: Analyzing trace with hash 22090629, now seen corresponding path program 1 times [2024-11-27 06:29:52,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:52,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789720747] [2024-11-27 06:29:52,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:52,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:58,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 897 proven. 115 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-27 06:29:58,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:58,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789720747] [2024-11-27 06:29:58,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789720747] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:58,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396085687] [2024-11-27 06:29:58,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:58,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:58,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:58,786 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:58,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 06:30:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:30:00,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 1691 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 06:30:00,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:30:00,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2024-11-27 06:30:00,743 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 06:30:00,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396085687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:30:00,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 06:30:00,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [65] total 71 [2024-11-27 06:30:00,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089937759] [2024-11-27 06:30:00,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:30:00,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 06:30:00,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:30:00,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 06:30:00,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2116, Invalid=2996, Unknown=0, NotChecked=0, Total=5112 [2024-11-27 06:30:00,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:00,749 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:30:00,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:30:00,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:00,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:00,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:00,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:00,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:00,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:00,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:00,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:00,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:00,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:00,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:00,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:00,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:00,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:01,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:01,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:01,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:01,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:01,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:01,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:01,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 06:30:01,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-27 06:30:01,253 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:30:01,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:30:01,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1875910883, now seen corresponding path program 2 times [2024-11-27 06:30:01,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:30:01,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891425330] [2024-11-27 06:30:01,253 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:30:01,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:30:01,306 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:30:01,306 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:30:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2024-11-27 06:30:01,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:30:01,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891425330] [2024-11-27 06:30:01,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891425330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:30:01,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:30:01,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:30:01,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504262649] [2024-11-27 06:30:01,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:30:01,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:30:01,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:30:01,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:30:01,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:30:01,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:01,401 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:30:01,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:30:01,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:01,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:01,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:01,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:01,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:01,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:01,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:01,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:01,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:01,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:01,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:01,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:01,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:01,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:01,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:05,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:05,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:05,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:05,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:05,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:05,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:05,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 06:30:05,518 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:30:05,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:30:05,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1875910882, now seen corresponding path program 1 times [2024-11-27 06:30:05,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:30:05,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945999084] [2024-11-27 06:30:05,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:30:05,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:30:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:30:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-11-27 06:30:05,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:30:05,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945999084] [2024-11-27 06:30:05,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945999084] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:30:05,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45473338] [2024-11-27 06:30:05,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:30:05,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:30:05,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:30:05,960 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:30:05,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 06:30:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:30:07,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 06:30:07,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:30:07,840 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-11-27 06:30:07,840 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 06:30:07,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45473338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:30:07,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 06:30:07,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-27 06:30:07,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683337129] [2024-11-27 06:30:07,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:30:07,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:30:07,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:30:07,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:30:07,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-11-27 06:30:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:07,843 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:30:07,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:30:07,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:07,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:07,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:07,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:07,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:07,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:07,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:07,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:07,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:07,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:07,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:07,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:07,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:07,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:07,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:07,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:08,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:08,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 06:30:08,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:30:08,333 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:30:08,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:30:08,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1884495593, now seen corresponding path program 2 times [2024-11-27 06:30:08,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:30:08,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367428526] [2024-11-27 06:30:08,333 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:30:08,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:30:08,472 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:30:08,473 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:30:08,780 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2024-11-27 06:30:08,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:30:08,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367428526] [2024-11-27 06:30:08,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367428526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:30:08,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:30:08,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 06:30:08,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660971147] [2024-11-27 06:30:08,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:30:08,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 06:30:08,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:30:08,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 06:30:08,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 06:30:08,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:08,783 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:30:08,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:30:08,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:08,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:08,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:08,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:08,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:08,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:08,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:08,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:08,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:08,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:08,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:08,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:08,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:08,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:08,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:08,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:08,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:13,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:13,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:13,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:13,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:13,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:13,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:13,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:13,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:13,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 06:30:13,112 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:30:13,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:30:13,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1499349694, now seen corresponding path program 1 times [2024-11-27 06:30:13,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:30:13,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856909925] [2024-11-27 06:30:13,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:30:13,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:30:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:30:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2024-11-27 06:30:13,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:30:13,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856909925] [2024-11-27 06:30:13,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856909925] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:30:13,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298175178] [2024-11-27 06:30:13,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:30:13,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:30:13,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:30:13,930 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:30:13,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 06:30:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:30:15,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-11-27 06:30:15,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:30:15,727 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 [2024-11-27 06:30:16,110 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-27 06:30:16,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 12 treesize of output 14 [2024-11-27 06:30:17,158 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 341 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-27 06:30:17,159 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:30:18,312 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 169 proven. 3 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-27 06:30:18,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298175178] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:30:18,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:30:18,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 32, 18] total 55 [2024-11-27 06:30:18,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477344124] [2024-11-27 06:30:18,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:30:18,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-11-27 06:30:18,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:30:18,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-27 06:30:18,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=683, Invalid=2397, Unknown=0, NotChecked=0, Total=3080 [2024-11-27 06:30:18,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:18,316 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:30:18,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 55 states have (on average 2.727272727272727) internal successors, (150), 56 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:30:18,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:18,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:18,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:18,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:18,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:18,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:18,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:18,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:18,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:18,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:18,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:18,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:18,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:18,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:18,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:18,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:18,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:18,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:22,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:30:22,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-27 06:30:22,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-27 06:30:22,586 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:30:22,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:30:22,586 INFO L85 PathProgramCache]: Analyzing trace with hash -841876693, now seen corresponding path program 1 times [2024-11-27 06:30:22,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:30:22,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057635946] [2024-11-27 06:30:22,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:30:22,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:30:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:30:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 171 proven. 25 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-27 06:30:23,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:30:23,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057635946] [2024-11-27 06:30:23,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057635946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:30:23,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609311179] [2024-11-27 06:30:23,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:30:23,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:30:23,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:30:23,256 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:30:23,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 06:30:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:30:24,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 06:30:24,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:30:25,320 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-27 06:30:25,320 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 06:30:25,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609311179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:30:25,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 06:30:25,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [16] total 30 [2024-11-27 06:30:25,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107097680] [2024-11-27 06:30:25,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:30:25,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 06:30:25,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:30:25,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 06:30:25,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=552, Unknown=0, NotChecked=0, Total=870 [2024-11-27 06:30:25,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:25,322 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:30:25,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:30:25,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:25,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:30:25,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:30:25,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 06:30:26,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:30:26,070 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:30:26,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:30:26,071 INFO L85 PathProgramCache]: Analyzing trace with hash -524479803, now seen corresponding path program 2 times [2024-11-27 06:30:26,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:30:26,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731803692] [2024-11-27 06:30:26,071 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:30:26,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:30:26,184 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:30:26,184 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:30:26,986 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2024-11-27 06:30:26,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:30:26,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731803692] [2024-11-27 06:30:26,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731803692] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:30:26,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505242360] [2024-11-27 06:30:26,986 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:30:26,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:30:26,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:30:26,989 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:30:26,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 06:30:28,757 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:30:28,757 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:30:28,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-27 06:30:28,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:30:28,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-27 06:30:28,922 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2024-11-27 06:30:28,922 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 06:30:28,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505242360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:30:28,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 06:30:28,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2024-11-27 06:30:28,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046296441] [2024-11-27 06:30:28,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:30:28,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:30:28,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:30:28,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:30:28,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-27 06:30:28,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:28,924 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:30:28,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:30:28,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:30:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:29,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 06:30:29,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:30:29,544 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:30:29,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:30:29,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1914216105, now seen corresponding path program 2 times [2024-11-27 06:30:29,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:30:29,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568849770] [2024-11-27 06:30:29,545 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:30:29,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:30:29,620 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:30:29,620 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:30:29,866 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-11-27 06:30:29,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:30:29,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568849770] [2024-11-27 06:30:29,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568849770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:30:29,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:30:29,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 06:30:29,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439655835] [2024-11-27 06:30:29,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:30:29,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 06:30:29,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:30:29,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 06:30:29,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 06:30:29,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:29,870 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:30:29,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:30:29,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:29,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:29,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:29,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:29,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:29,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:30:29,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:30:29,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:29,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:30:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:30:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:32,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 06:30:32,449 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err52REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:30:32,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:30:32,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1740293248, now seen corresponding path program 1 times [2024-11-27 06:30:32,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:30:32,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404840854] [2024-11-27 06:30:32,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:30:32,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:30:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:30:33,051 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-27 06:30:33,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:30:33,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404840854] [2024-11-27 06:30:33,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404840854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:30:33,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:30:33,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 06:30:33,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966389796] [2024-11-27 06:30:33,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:30:33,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 06:30:33,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:30:33,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 06:30:33,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 06:30:33,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:33,053 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:30:33,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:30:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:30:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:30:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:35,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:35,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:35,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:35,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:35,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:35,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:35,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:35,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:35,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:35,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:35,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:35,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:35,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:35,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:35,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:35,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:35,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:35,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:30:35,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:30:35,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:35,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:35,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:35,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 06:30:35,554 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err53REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:30:35,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:30:35,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1740293247, now seen corresponding path program 1 times [2024-11-27 06:30:35,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:30:35,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440973474] [2024-11-27 06:30:35,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:30:35,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:30:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:30:36,784 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-11-27 06:30:36,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:30:36,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440973474] [2024-11-27 06:30:36,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440973474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:30:36,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899865061] [2024-11-27 06:30:36,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:30:36,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:30:36,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:30:36,787 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:30:36,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 06:30:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:30:38,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-27 06:30:38,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:30:38,502 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 [2024-11-27 06:30:38,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:30:38,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-27 06:30:38,626 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-27 06:30:38,627 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 [2024-11-27 06:30:38,698 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-27 06:30:38,698 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 17 treesize of output 21 [2024-11-27 06:30:38,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-27 06:30:38,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:30:38,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2024-11-27 06:30:38,862 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-11-27 06:30:38,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2024-11-27 06:30:38,976 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-27 06:30:38,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 14 treesize of output 13 [2024-11-27 06:30:39,705 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 168 proven. 17 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-11-27 06:30:39,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:30:41,750 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 549 treesize of output 543 [2024-11-27 06:30:43,319 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 181 proven. 4 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-11-27 06:30:43,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899865061] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:30:43,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:30:43,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 23, 23] total 49 [2024-11-27 06:30:43,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138620205] [2024-11-27 06:30:43,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:30:43,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-27 06:30:43,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:30:43,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-27 06:30:43,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=540, Invalid=1910, Unknown=0, NotChecked=0, Total=2450 [2024-11-27 06:30:43,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:43,326 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:30:43,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 2.8979591836734695) internal successors, (142), 50 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:30:43,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:43,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:43,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:43,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:43,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:30:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:30:43,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:43,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:43,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:43,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:49,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:49,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:49,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:49,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:49,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:49,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:49,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:49,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:30:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:30:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:49,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:30:50,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-27 06:30:50,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:30:50,199 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err58REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:30:50,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:30:50,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1740293242, now seen corresponding path program 1 times [2024-11-27 06:30:50,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:30:50,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540565679] [2024-11-27 06:30:50,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:30:50,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:30:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:30:51,305 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-11-27 06:30:51,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:30:51,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540565679] [2024-11-27 06:30:51,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540565679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:30:51,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:30:51,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 06:30:51,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444158122] [2024-11-27 06:30:51,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:30:51,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:30:51,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:30:51,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:30:51,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:30:51,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:51,307 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:30:51,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:30:51,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:51,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:51,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:51,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:51,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:51,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:51,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:51,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:51,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:51,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:51,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:51,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:51,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:51,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:51,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:51,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:51,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:51,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:30:51,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:30:51,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:51,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:51,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:51,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:30:51,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:54,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:54,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:54,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:30:54,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:54,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:54,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:54,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:54,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:54,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:54,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:54,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:54,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:54,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:30:54,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:54,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:54,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:30:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:30:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:30:54,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:54,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-27 06:30:54,206 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err59REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 173 more)] === [2024-11-27 06:30:54,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:30:54,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1740293241, now seen corresponding path program 1 times [2024-11-27 06:30:54,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:30:54,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30536310] [2024-11-27 06:30:54,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:30:54,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:30:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:30:55,521 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2024-11-27 06:30:55,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:30:55,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30536310] [2024-11-27 06:30:55,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30536310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:30:55,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339312973] [2024-11-27 06:30:55,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:30:55,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:30:55,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:30:55,524 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:30:55,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499116d5-d1d7-4baf-9436-013a7c02c2c1/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 06:30:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:30:57,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 112 conjuncts are in the unsatisfiable core [2024-11-27 06:30:57,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:30:57,503 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 [2024-11-27 06:30:57,511 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 [2024-11-27 06:30:57,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 06:30:57,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2024-11-27 06:30:57,676 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-27 06:30:57,676 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 [2024-11-27 06:30:57,797 INFO L349 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2024-11-27 06:30:57,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 22 [2024-11-27 06:30:57,943 INFO L349 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2024-11-27 06:30:57,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 22 [2024-11-27 06:30:58,079 INFO L349 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2024-11-27 06:30:58,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 25 [2024-11-27 06:30:59,899 INFO L349 Elim1Store]: treesize reduction 60, result has 67.7 percent of original size [2024-11-27 06:30:59,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 48 treesize of output 153 [2024-11-27 06:31:47,011 WARN L286 SmtUtils]: Spent 13.11s on a formula simplification. DAG size of input: 1117 DAG size of output: 1090 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 06:32:19,765 WARN L286 SmtUtils]: Spent 6.34s on a formula simplification that was a NOOP. DAG size: 1068 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 06:32:51,293 WARN L286 SmtUtils]: Spent 6.57s on a formula simplification that was a NOOP. DAG size: 1069 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 06:33:42,222 WARN L286 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 1069 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 06:34:33,217 WARN L286 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 1069 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 06:35:23,694 WARN L286 SmtUtils]: Spent 6.13s on a formula simplification that was a NOOP. DAG size: 1069 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 06:36:14,758 WARN L286 SmtUtils]: Spent 6.22s on a formula simplification that was a NOOP. DAG size: 1069 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 06:37:05,139 WARN L286 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 1069 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 06:37:58,618 WARN L286 SmtUtils]: Spent 6.70s on a formula simplification that was a NOOP. DAG size: 1069 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 06:39:02,661 WARN L286 SmtUtils]: Spent 7.93s on a formula simplification that was a NOOP. DAG size: 1069 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 06:40:00,815 WARN L286 SmtUtils]: Spent 6.89s on a formula simplification that was a NOOP. DAG size: 1069 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 06:40:56,398 WARN L286 SmtUtils]: Spent 7.12s on a formula simplification that was a NOOP. DAG size: 1069 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 06:41:50,371 WARN L286 SmtUtils]: Spent 6.44s on a formula simplification that was a NOOP. DAG size: 1069 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)