./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/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_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 06:28:52,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:28:52,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-27 06:28:52,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:28:52,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:28:52,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:28:52,927 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:28:52,927 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:28:52,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:28:52,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:28:52,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:28:52,928 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:28:52,928 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:28:52,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:28:52,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 06:28:52,929 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:28:52,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:28:52,929 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:28:52,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:28:52,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 06:28:52,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:28:52,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 06:28:52,930 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:28:52,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 06:28:52,930 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:28:52,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:28:52,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:28:52,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:28:52,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 06:28:52,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:28:52,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:28:52,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:28:52,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:28:52,932 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 06:28:52,932 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-27 06:28:52,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 06:28:52,933 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:28:52,933 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-27 06:28:52,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:28:52,933 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:28:52,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:28:52,933 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:28:52,934 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:28:52,934 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_4fa8319b-8c87-415e-b208-28d4499a0fd7/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 ! call(reach_error())) ) 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 -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2024-11-27 06:28:53,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:28:53,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:28:53,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:28:53,264 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:28:53,264 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:28:53,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2024-11-27 06:28:56,581 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/data/6cc95a413/55922d2619b546f88f4bf9e69d9abfd0/FLAG859907aaf [2024-11-27 06:28:56,937 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:28:56,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2024-11-27 06:28:56,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/data/6cc95a413/55922d2619b546f88f4bf9e69d9abfd0/FLAG859907aaf [2024-11-27 06:28:56,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/data/6cc95a413/55922d2619b546f88f4bf9e69d9abfd0 [2024-11-27 06:28:56,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:28:56,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:28:56,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:28:56,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:28:56,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:28:56,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:28:56" (1/1) ... [2024-11-27 06:28:56,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd2762d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:56, skipping insertion in model container [2024-11-27 06:28:56,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:28:56" (1/1) ... [2024-11-27 06:28:57,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:28:57,270 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c[4303,4316] [2024-11-27 06:28:57,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:28:57,292 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:28:57,326 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c[4303,4316] [2024-11-27 06:28:57,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:28:57,358 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:28:57,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:57 WrapperNode [2024-11-27 06:28:57,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:28:57,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:28:57,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:28:57,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:28:57,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:57" (1/1) ... [2024-11-27 06:28:57,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:57" (1/1) ... [2024-11-27 06:28:57,428 INFO L138 Inliner]: procedures = 28, calls = 58, calls flagged for inlining = 22, calls inlined = 32, statements flattened = 372 [2024-11-27 06:28:57,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:28:57,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:28:57,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:28:57,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:28:57,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:57" (1/1) ... [2024-11-27 06:28:57,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:57" (1/1) ... [2024-11-27 06:28:57,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:57" (1/1) ... [2024-11-27 06:28:57,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:57" (1/1) ... [2024-11-27 06:28:57,479 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:57" (1/1) ... [2024-11-27 06:28:57,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:57" (1/1) ... [2024-11-27 06:28:57,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:57" (1/1) ... [2024-11-27 06:28:57,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:57" (1/1) ... [2024-11-27 06:28:57,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:57" (1/1) ... [2024-11-27 06:28:57,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:28:57,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:28:57,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:28:57,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:28:57,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:57" (1/1) ... [2024-11-27 06:28:57,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:28:57,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:28:57,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:28:57,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:28:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:28:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 06:28:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 06:28:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 06:28:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 06:28:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 06:28:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 06:28:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 06:28:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 06:28:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-27 06:28:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-27 06:28:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:28:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-27 06:28:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-27 06:28:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-27 06:28:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-27 06:28:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 06:28:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 06:28:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 06:28:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:28:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:28:57,604 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 06:28:57,763 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:28:57,766 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:28:58,564 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:28:58,564 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:28:59,153 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:28:59,154 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-27 06:28:59,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:28:59 BoogieIcfgContainer [2024-11-27 06:28:59,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:28:59,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:28:59,158 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:28:59,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:28:59,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:28:56" (1/3) ... [2024-11-27 06:28:59,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1caa820c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:28:59, skipping insertion in model container [2024-11-27 06:28:59,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:57" (2/3) ... [2024-11-27 06:28:59,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1caa820c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:28:59, skipping insertion in model container [2024-11-27 06:28:59,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:28:59" (3/3) ... [2024-11-27 06:28:59,166 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2024-11-27 06:28:59,185 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:28:59,186 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-2.wvr.c that has 7 procedures, 62 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-27 06:28:59,187 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 06:28:59,363 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-11-27 06:28:59,436 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:28:59,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-27 06:28:59,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:28:59,441 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-27 06:28:59,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-27 06:28:59,575 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:28:59,600 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork1 ======== [2024-11-27 06:28:59,612 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=LoopHeads, 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;@156909c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:28:59,612 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-27 06:29:01,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-11-27 06:29:01,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-11-27 06:29:01,857 INFO L422 BasicCegarLoop]: Path program histogram: [] [2024-11-27 06:29:01,862 INFO L319 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork1 was SAFE,SAFE (1/3) [2024-11-27 06:29:01,872 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:29:01,878 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:29:01,879 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-27 06:29:01,879 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=LoopHeads, 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;@156909c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:29:01,879 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-27 06:29:02,142 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:29:02,143 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:29:02,143 INFO L139 ounterexampleChecker]: Examining path program with hash 2087543763, occurence #1 [2024-11-27 06:29:02,143 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:29:02,144 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:29:02,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:02,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1536810596, now seen corresponding path program 1 times [2024-11-27 06:29:02,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:02,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257929135] [2024-11-27 06:29:02,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:02,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:02,540 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 06:29:02,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:02,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257929135] [2024-11-27 06:29:02,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257929135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:29:02,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:29:02,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:29:02,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48049606] [2024-11-27 06:29:02,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:29:02,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 06:29:02,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:02,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 06:29:02,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 06:29:02,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:02,581 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:02,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 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 06:29:02,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:04,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:04,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 06:29:04,786 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:29:04,786 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:29:04,787 INFO L139 ounterexampleChecker]: Examining path program with hash 695995638, occurence #1 [2024-11-27 06:29:04,787 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:29:04,789 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:29:04,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:04,790 INFO L85 PathProgramCache]: Analyzing trace with hash -2059670589, now seen corresponding path program 1 times [2024-11-27 06:29:04,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:04,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062423870] [2024-11-27 06:29:04,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:04,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:05,910 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 06:29:05,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:05,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062423870] [2024-11-27 06:29:05,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062423870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:29:05,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:29:05,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:29:05,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997870843] [2024-11-27 06:29:05,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:29:05,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:29:05,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:05,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:29:05,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:29:05,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:05,915 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:05,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 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 06:29:05,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:05,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:06,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:06,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:06,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 06:29:06,592 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:29:06,593 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:29:06,593 INFO L139 ounterexampleChecker]: Examining path program with hash 695995638, occurence #2 [2024-11-27 06:29:06,593 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:29:06,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:29:06,594 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:06,594 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-27 06:29:06,636 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:06,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:29:06,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:06,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-27 06:29:06,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:06,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-27 06:29:06,636 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:06,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-27 06:29:06,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:06,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-27 06:29:06,637 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:06,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-27 06:29:06,637 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:06,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:29:06,637 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:06,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-27 06:29:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-27 06:29:06,638 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-27 06:29:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-27 06:29:06,638 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-27 06:29:06,639 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-27 06:29:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:06,639 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:29:06,639 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:29:06,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:06,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1434585363, now seen corresponding path program 1 times [2024-11-27 06:29:06,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:06,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425364181] [2024-11-27 06:29:06,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:06,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:07,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:29:07,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:07,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425364181] [2024-11-27 06:29:07,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425364181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:07,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419594096] [2024-11-27 06:29:07,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:07,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:07,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:07,392 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:07,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 06:29:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:07,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 06:29:07,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:29:08,131 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 06:29:08,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419594096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:29:08,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 06:29:08,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 15 [2024-11-27 06:29:08,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356320093] [2024-11-27 06:29:08,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:29:08,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 06:29:08,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:08,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 06:29:08,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-11-27 06:29:08,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:08,136 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:08,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 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 06:29:08,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:08,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:08,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:08,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:08,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:08,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:08,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 06:29:09,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:09,158 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:29:09,158 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:29:09,159 INFO L139 ounterexampleChecker]: Examining path program with hash -426848333, occurence #1 [2024-11-27 06:29:09,159 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:29:09,159 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:29:09,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:09,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1259928583, now seen corresponding path program 2 times [2024-11-27 06:29:09,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:09,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855884588] [2024-11-27 06:29:09,160 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:29:09,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:09,378 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:29:09,378 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:10,381 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:29:10,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:10,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855884588] [2024-11-27 06:29:10,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855884588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:10,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602800405] [2024-11-27 06:29:10,381 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:29:10,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:10,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:10,387 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:10,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 06:29:10,643 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:29:10,644 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:10,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 06:29:10,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:11,507 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:29:11,507 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:29:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 06:29:11,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602800405] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:11,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:29:11,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12, 17] total 33 [2024-11-27 06:29:11,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686268162] [2024-11-27 06:29:11,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:29:11,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:29:11,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:11,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:29:11,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=902, Unknown=0, NotChecked=0, Total=1056 [2024-11-27 06:29:11,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:11,918 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:11,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 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 06:29:11,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:11,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:11,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:11,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:13,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:13,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 06:29:13,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:13,902 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:29:13,902 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:29:13,903 INFO L139 ounterexampleChecker]: Examining path program with hash 715265169, occurence #1 [2024-11-27 06:29:13,903 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:29:13,903 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:29:13,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:13,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1801913364, now seen corresponding path program 3 times [2024-11-27 06:29:13,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:13,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058334446] [2024-11-27 06:29:13,904 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:29:13,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:14,062 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-27 06:29:14,063 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:14,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-27 06:29:14,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:14,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058334446] [2024-11-27 06:29:14,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058334446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:14,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698107946] [2024-11-27 06:29:14,767 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:29:14,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:14,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:14,769 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:14,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 06:29:15,040 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-27 06:29:15,041 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:15,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 06:29:15,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:15,439 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-27 06:29:15,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:29:15,696 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-27 06:29:15,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698107946] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:29:15,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:29:15,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 23 [2024-11-27 06:29:15,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191041745] [2024-11-27 06:29:15,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:29:15,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-27 06:29:15,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:15,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-27 06:29:15,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2024-11-27 06:29:15,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:15,699 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:15,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.208333333333334) internal successors, (197), 23 states have internal predecessors, (197), 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 06:29:15,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:15,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:15,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:15,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:15,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:17,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:17,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:17,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:17,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:17,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:29:17,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 06:29:17,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:17,291 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:29:17,291 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:29:17,293 INFO L139 ounterexampleChecker]: Examining path program with hash 715265169, occurence #2 [2024-11-27 06:29:17,293 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:29:17,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:29:17,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:17,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-27 06:29:17,294 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:17,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:29:17,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:17,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-27 06:29:17,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:17,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-27 06:29:17,294 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:17,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-27 06:29:17,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:17,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:29:17,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:17,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-27 06:29:17,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:17,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-27 06:29:17,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:17,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-27 06:29:17,296 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:17,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-11-27 06:29:17,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:17,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1023989454, now seen corresponding path program 1 times [2024-11-27 06:29:17,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:29:17,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744056476] [2024-11-27 06:29:17,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:17,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:18,986 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:29:18,987 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:29:18,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744056476] [2024-11-27 06:29:18,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744056476] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:18,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [965856185] [2024-11-27 06:29:18,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:18,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:19,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 06:29:19,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:20,565 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:29:20,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [965856185] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:20,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:29:20,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20] total 43 [2024-11-27 06:29:20,566 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:29:20,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-11-27 06:29:20,566 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:20,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-27 06:29:20,566 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:20,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-27 06:29:20,567 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:20,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-11-27 06:29:20,567 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:20,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-11-27 06:29:20,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:20,567 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:29:20,568 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:29:20,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:20,568 INFO L85 PathProgramCache]: Analyzing trace with hash -2044004286, now seen corresponding path program 4 times [2024-11-27 06:29:20,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:20,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065952411] [2024-11-27 06:29:20,569 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:29:20,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:20,608 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:29:20,609 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-27 06:29:21,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:21,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065952411] [2024-11-27 06:29:21,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065952411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:21,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5675666] [2024-11-27 06:29:21,239 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:29:21,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:21,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:21,242 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:21,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 06:29:21,472 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:29:21,473 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:21,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 06:29:21,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:22,336 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-27 06:29:22,337 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:29:22,703 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-27 06:29:22,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5675666] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:22,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:29:22,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13, 21] total 35 [2024-11-27 06:29:22,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595832491] [2024-11-27 06:29:22,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:29:22,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 06:29:22,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:22,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 06:29:22,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=959, Unknown=0, NotChecked=0, Total=1190 [2024-11-27 06:29:22,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:22,708 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:22,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 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 06:29:22,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:22,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:22,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:22,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:22,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:29:22,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:23,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:23,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:23,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:23,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:23,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:29:23,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:23,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-27 06:29:23,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:23,490 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:29:23,490 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:29:23,491 INFO L139 ounterexampleChecker]: Examining path program with hash 1637608312, occurence #1 [2024-11-27 06:29:23,491 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:29:23,491 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:29:23,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:23,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1193789737, now seen corresponding path program 5 times [2024-11-27 06:29:23,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:23,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388710024] [2024-11-27 06:29:23,491 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:29:23,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:23,601 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-27 06:29:23,601 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 46 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 06:29:24,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:24,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388710024] [2024-11-27 06:29:24,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388710024] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:24,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363827693] [2024-11-27 06:29:24,332 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:29:24,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:24,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:24,335 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:24,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 06:29:24,928 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-27 06:29:24,929 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:24,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 06:29:24,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:25,401 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 43 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 06:29:25,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:29:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 46 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 06:29:25,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363827693] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:29:25,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:29:25,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 34 [2024-11-27 06:29:25,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64237257] [2024-11-27 06:29:25,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:29:25,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-27 06:29:25,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:25,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-27 06:29:25,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=934, Unknown=0, NotChecked=0, Total=1190 [2024-11-27 06:29:25,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:25,864 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:25,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 6.8) internal successors, (238), 34 states have internal predecessors, (238), 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 06:29:25,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:25,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:25,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:25,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:25,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:29:25,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:25,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:29:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:29:26,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 06:29:26,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:26,892 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:29:26,892 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:29:26,893 INFO L139 ounterexampleChecker]: Examining path program with hash 1637608312, occurence #2 [2024-11-27 06:29:26,893 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:29:26,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:29:26,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:26,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-27 06:29:26,893 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:26,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:29:26,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:26,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:29:26,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:26,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-27 06:29:26,893 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:26,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-27 06:29:26,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:26,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-27 06:29:26,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:26,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-11-27 06:29:26,894 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:26,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2024-11-27 06:29:26,894 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:26,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-27 06:29:26,894 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:26,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-27 06:29:26,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:26,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1269768892, now seen corresponding path program 1 times [2024-11-27 06:29:26,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:29:26,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812992414] [2024-11-27 06:29:26,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:26,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:28,092 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:29:28,093 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:29:28,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812992414] [2024-11-27 06:29:28,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812992414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:28,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2002329378] [2024-11-27 06:29:28,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:28,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:28,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 06:29:28,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 31 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:29:29,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2002329378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:29,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:29:29,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 34 [2024-11-27 06:29:29,189 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:29:29,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2024-11-27 06:29:29,189 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:29,189 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2024-11-27 06:29:29,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:29,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-11-27 06:29:29,190 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:29,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-27 06:29:29,190 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:29,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-27 06:29:29,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:29,190 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:29:29,191 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:29:29,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:29,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1332788287, now seen corresponding path program 6 times [2024-11-27 06:29:29,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:29,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983891519] [2024-11-27 06:29:29,192 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:29:29,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:29,479 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-27 06:29:29,480 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:30,609 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:29:30,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:30,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983891519] [2024-11-27 06:29:30,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983891519] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:30,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622483772] [2024-11-27 06:29:30,609 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:29:30,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:30,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:30,614 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:30,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 06:29:30,918 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-27 06:29:30,918 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:30,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 06:29:30,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:32,111 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 47 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:29:32,111 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:29:33,358 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 53 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:29:33,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622483772] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:29:33,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:29:33,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 23, 23] total 62 [2024-11-27 06:29:33,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283411437] [2024-11-27 06:29:33,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:29:33,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-27 06:29:33,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:33,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-27 06:29:33,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=756, Invalid=3150, Unknown=0, NotChecked=0, Total=3906 [2024-11-27 06:29:33,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:33,363 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:33,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 5.9523809523809526) internal successors, (375), 62 states have internal predecessors, (375), 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 06:29:33,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:33,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:33,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:33,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:33,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:29:33,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:33,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:29:33,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:35,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:35,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:35,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:35,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:35,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:29:35,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:35,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:29:35,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:29:35,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 06:29:35,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:35,217 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:29:35,217 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:29:35,217 INFO L139 ounterexampleChecker]: Examining path program with hash 1637608312, occurence #3 [2024-11-27 06:29:35,217 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:29:35,218 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:29:35,218 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:35,218 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-27 06:29:35,218 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:35,218 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:29:35,218 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:35,218 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-27 06:29:35,218 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:35,218 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-27 06:29:35,219 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:35,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:29:35,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:35,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-27 06:29:35,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:35,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2024-11-27 06:29:35,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:35,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-27 06:29:35,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:35,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 116 [2024-11-27 06:29:35,220 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:35,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2024-11-27 06:29:35,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:35,245 INFO L85 PathProgramCache]: Analyzing trace with hash 167644611, now seen corresponding path program 1 times [2024-11-27 06:29:35,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:29:35,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928098755] [2024-11-27 06:29:35,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:35,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:37,248 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 105 proven. 60 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-27 06:29:37,248 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:29:37,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928098755] [2024-11-27 06:29:37,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928098755] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:37,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [557449761] [2024-11-27 06:29:37,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:29:37,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:37,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-27 06:29:37,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:39,446 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 105 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:29:39,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [557449761] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:39,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:29:39,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 36] total 62 [2024-11-27 06:29:39,447 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:29:39,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-11-27 06:29:39,447 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:39,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-27 06:29:39,448 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:39,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-27 06:29:39,448 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:39,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-11-27 06:29:39,448 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:29:39,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2024-11-27 06:29:39,448 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:29:39,448 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:29:39,448 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:29:39,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:39,449 INFO L85 PathProgramCache]: Analyzing trace with hash 671870657, now seen corresponding path program 7 times [2024-11-27 06:29:39,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:39,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319132122] [2024-11-27 06:29:39,449 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:29:39,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 105 proven. 60 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-27 06:29:41,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:41,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319132122] [2024-11-27 06:29:41,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319132122] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:41,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359655317] [2024-11-27 06:29:41,817 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:29:41,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:41,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:41,819 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:41,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 06:29:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:29:42,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 06:29:42,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-27 06:29:42,989 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:29:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 17 proven. 21 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-27 06:29:43,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359655317] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:29:43,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:29:43,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 18, 9] total 53 [2024-11-27 06:29:43,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341621588] [2024-11-27 06:29:43,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:29:43,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-27 06:29:43,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:43,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-27 06:29:43,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=2448, Unknown=0, NotChecked=0, Total=2756 [2024-11-27 06:29:43,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:43,413 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:43,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.811320754716981) internal successors, (308), 53 states have internal predecessors, (308), 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 06:29:43,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:43,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:43,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:43,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:43,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:29:43,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:43,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:29:43,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:29:43,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:47,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:47,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:47,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:47,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:47,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:29:47,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:29:47,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:29:47,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:29:47,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:29:47,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 06:29:47,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-11-27 06:29:47,704 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:29:47,704 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:29:47,704 INFO L139 ounterexampleChecker]: Examining path program with hash -716339441, occurence #1 [2024-11-27 06:29:47,704 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:29:47,704 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:29:47,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:47,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1571282190, now seen corresponding path program 8 times [2024-11-27 06:29:47,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:47,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073297192] [2024-11-27 06:29:47,706 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:29:47,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:47,881 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:29:47,881 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:52,360 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 303 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:29:52,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:52,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073297192] [2024-11-27 06:29:52,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073297192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:52,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781417067] [2024-11-27 06:29:52,361 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:29:52,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:52,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:52,364 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:52,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 06:29:52,731 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:29:52,731 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:52,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-27 06:29:52,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 291 proven. 138 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 06:29:54,964 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:29:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 309 proven. 120 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 06:29:57,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781417067] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:29:57,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:29:57,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 37, 37] total 128 [2024-11-27 06:29:57,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682833959] [2024-11-27 06:29:57,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:29:57,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2024-11-27 06:29:57,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:57,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2024-11-27 06:29:57,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2283, Invalid=14229, Unknown=0, NotChecked=0, Total=16512 [2024-11-27 06:29:57,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:57,652 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:57,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 4.589147286821706) internal successors, (592), 128 states have internal predecessors, (592), 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 06:29:57,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:57,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:57,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:57,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:57,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:29:57,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:29:57,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:29:57,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:29:57,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:29:57,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:30:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:30:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:30:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:30:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:30:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:30:00,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 06:30:00,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-27 06:30:00,597 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:30:00,597 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:30:00,597 INFO L139 ounterexampleChecker]: Examining path program with hash -716339441, occurence #2 [2024-11-27 06:30:00,597 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:30:00,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:30:00,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:00,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-27 06:30:00,598 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:30:00,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-27 06:30:00,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:00,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-27 06:30:00,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:00,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-27 06:30:00,598 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:30:00,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:30:00,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:00,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:30:00,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:00,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-27 06:30:00,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:30:00,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1068540709, now seen corresponding path program 1 times [2024-11-27 06:30:00,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:30:00,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672455220] [2024-11-27 06:30:00,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:30:00,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:30:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 06:30:00,945 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-27 06:30:00,946 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-27 06:30:00,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-27 06:30:00,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:00,947 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-27 06:30:00,947 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:00,947 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2024-11-27 06:30:00,947 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:00,947 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-27 06:30:00,947 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:30:00,948 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2024-11-27 06:30:00,948 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:00,948 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2024-11-27 06:30:00,948 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:00,948 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2024-11-27 06:30:00,948 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:00,948 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-11-27 06:30:00,948 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:00,948 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 210 [2024-11-27 06:30:00,948 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:30:00,949 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-27 06:30:00,949 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:30:00,949 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-11-27 06:30:00,949 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:00,949 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:30:00,950 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:30:00,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:30:00,951 INFO L85 PathProgramCache]: Analyzing trace with hash -589354488, now seen corresponding path program 9 times [2024-11-27 06:30:00,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:30:00,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888458537] [2024-11-27 06:30:00,951 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:30:00,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:30:01,895 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-27 06:30:01,896 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:30:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-11-27 06:30:20,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:30:20,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888458537] [2024-11-27 06:30:20,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888458537] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:30:20,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939193013] [2024-11-27 06:30:20,557 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:30:20,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:30:20,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:30:20,561 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:30:20,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 06:30:21,356 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-27 06:30:21,356 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:30:21,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 347 conjuncts are in the unsatisfiable core [2024-11-27 06:30:21,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:30:22,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-27 06:30:59,726 WARN L286 SmtUtils]: Spent 14.15s on a formula simplification that was a NOOP. DAG size: 789 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-27 06:30:59,727 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:30:59,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 36 select indices, 36 select index equivalence classes, 171 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 630 case distinctions, treesize of input 268 treesize of output 2634 [2024-11-27 06:40:24,187 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 15 proven. 417 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 06:40:24,187 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:40:52,401 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 327 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-27 06:40:52,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939193013] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:40:52,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:40:52,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 89, 83] total 208 [2024-11-27 06:40:52,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752374792] [2024-11-27 06:40:52,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:40:52,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 208 states [2024-11-27 06:40:52,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:40:52,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2024-11-27 06:40:52,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1234, Invalid=41822, Unknown=0, NotChecked=0, Total=43056 [2024-11-27 06:40:52,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:40:52,449 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:40:52,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 208 states, 208 states have (on average 2.4951923076923075) internal successors, (519), 208 states have internal predecessors, (519), 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 06:40:52,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:40:52,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:40:52,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:40:52,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:40:52,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:40:52,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:40:52,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:40:52,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:40:52,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:40:52,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:40:52,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:41:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:41:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:41:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:41:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:41:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:41:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:41:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:41:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:41:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:41:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:41:51,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-27 06:41:51,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-27 06:41:52,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-11-27 06:41:52,176 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:41:52,176 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:41:52,176 INFO L139 ounterexampleChecker]: Examining path program with hash -2103589675, occurence #1 [2024-11-27 06:41:52,176 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:41:52,176 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:41:52,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:41:52,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1366923550, now seen corresponding path program 10 times [2024-11-27 06:41:52,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:41:52,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051702102] [2024-11-27 06:41:52,178 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:41:52,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:41:52,355 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:41:52,355 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:41:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 398 proven. 231 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 06:41:56,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:41:56,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051702102] [2024-11-27 06:41:56,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051702102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:41:56,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644162568] [2024-11-27 06:41:56,140 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:41:56,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:41:56,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:41:56,145 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:41:56,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 06:41:56,553 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:41:56,553 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:41:56,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-27 06:41:56,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:41:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 398 proven. 231 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 06:41:59,400 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:42:02,017 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 416 proven. 213 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 06:42:02,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644162568] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:42:02,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:42:02,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 44, 44] total 109 [2024-11-27 06:42:02,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092617181] [2024-11-27 06:42:02,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:42:02,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2024-11-27 06:42:02,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:42:02,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2024-11-27 06:42:02,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2949, Invalid=9041, Unknown=0, NotChecked=0, Total=11990 [2024-11-27 06:42:02,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:42:02,029 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:42:02,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 5.609090909090909) internal successors, (617), 109 states have internal predecessors, (617), 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 06:42:02,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:42:02,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:42:02,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:42:02,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:42:02,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:42:02,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:42:02,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:42:02,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:42:02,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:42:02,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:42:02,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-11-27 06:42:02,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:42:03,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:42:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:42:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:42:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:42:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:42:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:42:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:42:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:42:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:42:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:42:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-27 06:42:03,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-27 06:42:03,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-27 06:42:03,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa8319b-8c87-415e-b208-28d4499a0fd7/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:42:03,520 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:42:03,520 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:42:03,520 INFO L139 ounterexampleChecker]: Examining path program with hash -2103589675, occurence #2 [2024-11-27 06:42:03,520 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:42:03,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:42:03,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:42:03,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-27 06:42:03,521 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:42:03,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-27 06:42:03,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:42:03,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:42:03,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:42:03,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:42:03,521 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:42:03,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:42:03,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:42:03,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:42:03,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:42:03,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-27 06:42:03,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:42:03,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1749637183, now seen corresponding path program 1 times [2024-11-27 06:42:03,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:42:03,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356502526] [2024-11-27 06:42:03,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:42:03,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:42:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 06:42:03,805 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-27 06:42:03,805 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-27 06:42:03,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2024-11-27 06:42:03,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:42:03,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2024-11-27 06:42:03,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:42:03,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2024-11-27 06:42:03,806 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:42:03,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-11-27 06:42:03,806 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:42:03,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-11-27 06:42:03,806 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:42:03,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 220 [2024-11-27 06:42:03,806 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:42:03,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2024-11-27 06:42:03,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:42:03,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2024-11-27 06:42:03,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:42:03,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2024-11-27 06:42:03,808 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:42:03,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2024-11-27 06:42:03,808 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:42:03,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2024-11-27 06:42:03,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:42:03,809 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:42:03,809 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:42:03,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:42:03,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1364718558, now seen corresponding path program 11 times [2024-11-27 06:42:03,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:42:03,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843002422] [2024-11-27 06:42:03,812 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:42:03,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:42:04,382 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-11-27 06:42:04,382 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat