./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/mult-comm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/mult-comm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL --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 de93f11842753a9f5cde98724d1851736862f745073786263bfd177abe6c2376 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:17:30,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:17:30,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-08 12:17:30,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:17:30,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:17:30,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:17:30,733 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:17:30,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:17:30,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:17:30,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:17:30,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:17:30,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:17:30,738 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:17:30,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:17:30,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:17:30,741 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:17:30,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:17:30,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:17:30,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:17:30,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:17:30,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:17:30,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:17:30,747 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:17:30,747 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:17:30,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:17:30,748 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:17:30,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:17:30,749 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:17:30,749 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:17:30,749 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:17:30,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:17:30,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:17:30,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:17:30,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:17:30,752 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:17:30,753 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-08 12:17:30,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:17:30,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:17:30,753 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-08 12:17:30,754 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-08 12:17:30,754 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-08 12:17:30,755 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de93f11842753a9f5cde98724d1851736862f745073786263bfd177abe6c2376 [2024-11-08 12:17:31,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:17:31,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:17:31,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:17:31,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:17:31,032 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:17:31,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/../../sv-benchmarks/c/weaver/mult-comm.wvr.c Unable to find full path for "g++" [2024-11-08 12:17:33,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:17:33,322 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:17:33,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/sv-benchmarks/c/weaver/mult-comm.wvr.c [2024-11-08 12:17:33,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/data/4283afe7d/69037368e5404c6db205e027113fe419/FLAG730cca337 [2024-11-08 12:17:33,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/data/4283afe7d/69037368e5404c6db205e027113fe419 [2024-11-08 12:17:33,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:17:33,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:17:33,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:17:33,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:17:33,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:17:33,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:17:33" (1/1) ... [2024-11-08 12:17:33,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1072e7b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:17:33, skipping insertion in model container [2024-11-08 12:17:33,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:17:33" (1/1) ... [2024-11-08 12:17:33,380 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:17:33,577 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_c370ad0d-e5b2-459a-94ea-5379cc77dd07/sv-benchmarks/c/weaver/mult-comm.wvr.c[1936,1949] [2024-11-08 12:17:33,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:17:33,588 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:17:33,606 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_c370ad0d-e5b2-459a-94ea-5379cc77dd07/sv-benchmarks/c/weaver/mult-comm.wvr.c[1936,1949] [2024-11-08 12:17:33,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:17:33,624 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:17:33,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:17:33 WrapperNode [2024-11-08 12:17:33,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:17:33,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:17:33,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:17:33,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:17:33,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:17:33" (1/1) ... [2024-11-08 12:17:33,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:17:33" (1/1) ... [2024-11-08 12:17:33,658 INFO L138 Inliner]: procedures = 20, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-08 12:17:33,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:17:33,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:17:33,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:17:33,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:17:33,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:17:33" (1/1) ... [2024-11-08 12:17:33,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:17:33" (1/1) ... [2024-11-08 12:17:33,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:17:33" (1/1) ... [2024-11-08 12:17:33,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:17:33" (1/1) ... [2024-11-08 12:17:33,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:17:33" (1/1) ... [2024-11-08 12:17:33,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:17:33" (1/1) ... [2024-11-08 12:17:33,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:17:33" (1/1) ... [2024-11-08 12:17:33,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:17:33" (1/1) ... [2024-11-08 12:17:33,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:17:33,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:17:33,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:17:33,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:17:33,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:17:33" (1/1) ... [2024-11-08 12:17:33,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:17:33,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:17:33,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-08 12:17:33,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-08 12:17:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:17:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 12:17:33,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 12:17:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 12:17:33,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 12:17:33,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 12:17:33,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:17:33,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:17:33,759 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 12:17:33,848 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:17:33,850 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:17:34,016 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 12:17:34,016 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:17:34,141 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:17:34,141 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 12:17:34,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:17:34 BoogieIcfgContainer [2024-11-08 12:17:34,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:17:34,145 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:17:34,145 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:17:34,149 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:17:34,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:17:33" (1/3) ... [2024-11-08 12:17:34,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5231c5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:17:34, skipping insertion in model container [2024-11-08 12:17:34,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:17:33" (2/3) ... [2024-11-08 12:17:34,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5231c5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:17:34, skipping insertion in model container [2024-11-08 12:17:34,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:17:34" (3/3) ... [2024-11-08 12:17:34,152 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2024-11-08 12:17:34,175 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:17:34,175 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:17:34,175 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 12:17:34,246 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-08 12:17:34,339 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:17:34,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-08 12:17:34,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:17:34,343 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-08 12:17:34,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-08 12:17:34,379 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:17:34,396 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-08 12:17:34,406 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;@37c769dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:17:34,406 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-08 12:17:34,789 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:17:34,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:17:34,796 INFO L85 PathProgramCache]: Analyzing trace with hash -267808378, now seen corresponding path program 1 times [2024-11-08 12:17:34,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:17:34,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539291627] [2024-11-08 12:17:34,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:34,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:17:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:35,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:35,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:17:35,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539291627] [2024-11-08 12:17:35,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539291627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:17:35,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:17:35,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:17:35,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966504744] [2024-11-08 12:17:35,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:17:35,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:17:35,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:17:35,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:17:35,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:17:35,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:35,475 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:17:35,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:17:35,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:35,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:17:35,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:17:35,533 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:17:35,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:17:35,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1270571491, now seen corresponding path program 1 times [2024-11-08 12:17:35,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:17:35,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013599385] [2024-11-08 12:17:35,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:35,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:17:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:35,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:35,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:17:35,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013599385] [2024-11-08 12:17:35,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013599385] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:17:35,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513060930] [2024-11-08 12:17:35,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:35,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:35,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:17:35,910 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:17:35,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 12:17:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:36,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 12:17:36,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:17:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:36,194 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:17:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:36,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513060930] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:17:36,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:17:36,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 4] total 9 [2024-11-08 12:17:36,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308850305] [2024-11-08 12:17:36,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:17:36,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 12:17:36,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:17:36,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 12:17:36,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:17:36,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:36,568 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:17:36,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 9 states have internal predecessors, (38), 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) [2024-11-08 12:17:36,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:17:36,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:36,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:17:36,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:17:36,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 12:17:36,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:36,996 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:17:36,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:17:36,996 INFO L85 PathProgramCache]: Analyzing trace with hash -448548147, now seen corresponding path program 1 times [2024-11-08 12:17:36,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:17:36,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909520241] [2024-11-08 12:17:36,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:36,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:17:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:37,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:37,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:17:37,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909520241] [2024-11-08 12:17:37,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909520241] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:17:37,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192789542] [2024-11-08 12:17:37,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:37,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:37,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:17:37,435 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:17:37,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 12:17:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:37,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 12:17:37,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:17:37,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:37,689 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:17:37,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:38,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192789542] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:17:38,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:17:38,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 6] total 13 [2024-11-08 12:17:38,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782623984] [2024-11-08 12:17:38,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:17:38,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 12:17:38,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:17:38,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 12:17:38,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-11-08 12:17:38,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:38,003 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:17:38,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 13 states have internal predecessors, (41), 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) [2024-11-08 12:17:38,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:17:38,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:17:38,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:38,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:17:38,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:17:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:17:38,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 12:17:38,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:38,450 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:17:38,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:17:38,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1518478224, now seen corresponding path program 2 times [2024-11-08 12:17:38,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:17:38,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804823735] [2024-11-08 12:17:38,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:38,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:17:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:38,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:38,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:17:38,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804823735] [2024-11-08 12:17:38,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804823735] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:17:38,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513724803] [2024-11-08 12:17:38,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:17:38,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:38,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:17:38,819 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:17:38,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 12:17:38,894 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:17:38,895 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:17:38,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 12:17:38,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:17:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:39,060 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:17:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:41,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513724803] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:17:41,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:17:41,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 12 [2024-11-08 12:17:41,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108421655] [2024-11-08 12:17:41,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:17:41,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 12:17:41,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:17:41,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 12:17:41,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=110, Unknown=1, NotChecked=0, Total=156 [2024-11-08 12:17:41,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:41,365 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:17:41,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 12 states have internal predecessors, (46), 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) [2024-11-08 12:17:41,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:17:41,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:17:41,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:17:41,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:41,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:17:41,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:17:41,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:17:41,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:17:41,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 12:17:42,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:42,129 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:17:42,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:17:42,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1082871796, now seen corresponding path program 1 times [2024-11-08 12:17:42,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:17:42,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012775176] [2024-11-08 12:17:42,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:42,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:17:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:43,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:43,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:17:43,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012775176] [2024-11-08 12:17:43,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012775176] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:17:43,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018974346] [2024-11-08 12:17:43,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:43,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:43,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:17:43,176 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:17:43,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 12:17:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:43,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 12:17:43,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:17:43,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:43,752 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:17:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:47,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018974346] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:17:47,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:17:47,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 23 [2024-11-08 12:17:47,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143226018] [2024-11-08 12:17:47,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:17:47,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 12:17:47,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:17:47,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 12:17:47,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2024-11-08 12:17:47,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:47,663 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:17:47,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.875) internal successors, (45), 23 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:17:47,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:17:47,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:17:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:17:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:17:47,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:17:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:17:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:17:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:17:52,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:17:52,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 12:17:52,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:52,641 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:17:52,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:17:52,641 INFO L85 PathProgramCache]: Analyzing trace with hash -321325335, now seen corresponding path program 2 times [2024-11-08 12:17:52,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:17:52,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708249829] [2024-11-08 12:17:52,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:52,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:17:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:54,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:17:54,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708249829] [2024-11-08 12:17:54,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708249829] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:17:54,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538192594] [2024-11-08 12:17:54,485 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:17:54,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:17:54,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:17:54,487 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:17:54,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 12:17:54,592 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:17:54,592 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:17:54,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 12:17:54,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:17:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:55,772 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:18:46,524 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (+ (mod c_thread1Thread1of1ForFork0_~i~0 4294967296) 1)) (.cse2 (mod (+ c_thread1Thread1of1ForFork0_~i~0 1) 4294967296)) (.cse0 (mod c_~x_1~0 4294967296))) (and (forall ((v_z_25 Int)) (or (< .cse0 (+ (mod (+ c_~x_2~0 (* v_z_25 2)) 4294967296) 4294967295)) (< v_z_25 .cse1) (< .cse2 v_z_25))) (forall ((v_z_25 Int)) (or (< v_z_25 .cse1) (< .cse2 v_z_25) (< (mod (+ c_~x_2~0 (* v_z_25 2)) 4294967296) (+ .cse0 3)))) (forall ((v_z_25 Int)) (let ((.cse3 (mod (+ c_~x_2~0 (* v_z_25 2)) 4294967296))) (or (< v_z_25 .cse1) (< .cse2 v_z_25) (< (+ .cse3 4294967293) .cse0) (< (+ .cse0 1) .cse3)))))) is different from false [2024-11-08 12:18:46,754 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:18:46,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538192594] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:18:46,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:18:46,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 10] total 26 [2024-11-08 12:18:46,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563572803] [2024-11-08 12:18:46,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:18:46,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-08 12:18:46,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:18:46,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-08 12:18:46,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=517, Unknown=24, NotChecked=48, Total=702 [2024-11-08 12:18:46,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:46,757 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:18:46,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.8888888888888888) internal successors, (51), 26 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:18:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:18:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:18:46,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:18:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:18:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:18:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:19:22,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:19:22,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:19:22,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:19:22,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:19:22,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:19:22,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-08 12:19:22,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 12:19:22,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:19:22,967 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:19:22,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:19:22,967 INFO L85 PathProgramCache]: Analyzing trace with hash 339905251, now seen corresponding path program 3 times [2024-11-08 12:19:22,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:19:22,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103300034] [2024-11-08 12:19:22,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:19:22,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:19:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:19:25,652 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:19:25,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:19:25,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103300034] [2024-11-08 12:19:25,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103300034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:19:25,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460683204] [2024-11-08 12:19:25,653 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 12:19:25,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:19:25,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:19:25,655 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:19:25,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 12:19:26,007 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-08 12:19:26,007 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:19:26,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 12:19:26,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:19:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:19:26,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:19:36,349 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (mod c_~x_1~0 4294967296))) (let ((.cse1 (+ .cse4 (mod (+ c_thread2Thread1of1ForFork1_~i~1 4) 4294967296))) (.cse0 (mod (+ c_thread1Thread1of1ForFork0_~i~0 1) 4294967296)) (.cse2 (+ (mod c_thread1Thread1of1ForFork0_~i~0 4294967296) 1)) (.cse5 (mod (+ c_thread2Thread1of1ForFork1_~i~1 3) 4294967296))) (and (forall ((v_z_31 Int)) (or (< .cse0 v_z_31) (< .cse1 (+ 4294967297 (mod (+ (* v_z_31 4) c_~x_2~0) 4294967296))) (< v_z_31 .cse2))) (forall ((v_z_31 Int)) (let ((.cse3 (mod (+ (* v_z_31 4) c_~x_2~0) 4294967296))) (or (< .cse0 v_z_31) (< (+ 4294967294 .cse3) (+ .cse4 .cse5)) (< .cse1 (+ .cse3 1)) (< v_z_31 .cse2)))) (forall ((v_z_31 Int)) (or (< .cse0 v_z_31) (< v_z_31 .cse2) (< (mod (+ (* v_z_31 4) c_~x_2~0) 4294967296) (+ .cse4 2 .cse5))))))) is different from false [2024-11-08 12:19:38,546 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (mod (+ c_thread1Thread1of1ForFork0_~i~0 1) 4294967296)) (.cse1 (+ (mod c_thread1Thread1of1ForFork0_~i~0 4294967296) 1)) (.cse2 (mod c_~x_1~0 4294967296))) (and (forall ((v_z_31 Int)) (or (< .cse0 v_z_31) (< v_z_31 .cse1) (< (mod (+ (* v_z_31 4) c_~x_2~0) 4294967296) (+ .cse2 5)))) (forall ((v_z_31 Int)) (let ((.cse3 (mod (+ (* v_z_31 4) c_~x_2~0) 4294967296))) (or (< .cse0 v_z_31) (< (+ 4294967291 .cse3) .cse2) (< v_z_31 .cse1) (< (+ .cse2 3) .cse3)))) (forall ((v_z_31 Int)) (or (< .cse0 v_z_31) (< v_z_31 .cse1) (< .cse2 (+ (mod (+ (* v_z_31 4) c_~x_2~0) 4294967296) 4294967293)))))) is different from false [2024-11-08 12:19:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-08 12:19:38,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460683204] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:19:38,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:19:38,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 11] total 30 [2024-11-08 12:19:38,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281671743] [2024-11-08 12:19:38,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:19:38,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-08 12:19:38,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:19:38,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-08 12:19:38,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=691, Unknown=4, NotChecked=110, Total=930 [2024-11-08 12:19:38,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:19:38,755 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:19:38,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.032258064516129) internal successors, (63), 30 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:19:38,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:19:38,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:19:38,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:19:38,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:19:38,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:19:38,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-08 12:19:38,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:19:46,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:19:47,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:19:52,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:19:52,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:19:52,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:19:52,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:19:52,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:19:52,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-08 12:19:52,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-08 12:19:52,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 12:19:52,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:19:52,408 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:19:52,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:19:52,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1231588311, now seen corresponding path program 4 times [2024-11-08 12:19:52,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:19:52,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194160039] [2024-11-08 12:19:52,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:19:52,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:19:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:19:54,087 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:19:54,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:19:54,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194160039] [2024-11-08 12:19:54,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194160039] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:19:54,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351056333] [2024-11-08 12:19:54,088 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 12:19:54,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:19:54,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:19:54,090 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:19:54,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 12:19:54,397 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 12:19:54,397 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:19:54,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-08 12:19:54,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:19:55,843 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:19:55,843 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:20:01,344 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (mod c_~x_1~0 4294967296))) (let ((.cse3 (mod (+ 7 c_thread2Thread1of1ForFork1_~i~1) 4294967296)) (.cse0 (mod (+ c_thread1Thread1of1ForFork0_~i~0 1) 4294967296)) (.cse1 (+ (mod c_thread1Thread1of1ForFork0_~i~0 4294967296) 1)) (.cse5 (+ .cse2 (mod (+ c_thread2Thread1of1ForFork1_~i~1 8) 4294967296)))) (and (forall ((v_z_36 Int)) (or (< .cse0 v_z_36) (< v_z_36 .cse1) (< (mod (+ c_~x_2~0 (* v_z_36 8)) 4294967296) (+ .cse2 2 .cse3)))) (forall ((v_z_36 Int)) (let ((.cse4 (mod (+ c_~x_2~0 (* v_z_36 8)) 4294967296))) (or (< .cse0 v_z_36) (< (+ .cse4 4294967294) (+ .cse2 .cse3)) (< v_z_36 .cse1) (< .cse5 (+ .cse4 1))))) (forall ((v_z_36 Int)) (or (< .cse0 v_z_36) (< v_z_36 .cse1) (< .cse5 (+ (mod (+ c_~x_2~0 (* v_z_36 8)) 4294967296) 4294967297))))))) is different from false [2024-11-08 12:20:03,477 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_~x_1~0 4294967296)) (.cse1 (mod (+ c_thread1Thread1of1ForFork0_~i~0 1) 4294967296)) (.cse2 (+ (mod c_thread1Thread1of1ForFork0_~i~0 4294967296) 1))) (and (forall ((v_z_36 Int)) (or (< (mod (+ c_~x_2~0 (* v_z_36 8)) 4294967296) (+ .cse0 9)) (< .cse1 v_z_36) (< v_z_36 .cse2))) (forall ((v_z_36 Int)) (let ((.cse3 (mod (+ c_~x_2~0 (* v_z_36 8)) 4294967296))) (or (< .cse1 v_z_36) (< v_z_36 .cse2) (< (+ .cse3 4294967287) .cse0) (< (+ .cse0 7) .cse3)))) (forall ((v_z_36 Int)) (or (< .cse0 (+ (mod (+ c_~x_2~0 (* v_z_36 8)) 4294967296) 4294967289)) (< .cse1 v_z_36) (< v_z_36 .cse2))))) is different from false [2024-11-08 12:20:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-08 12:20:03,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351056333] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:20:03,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:20:03,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 16] total 45 [2024-11-08 12:20:03,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109241233] [2024-11-08 12:20:03,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:20:03,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-08 12:20:03,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:20:03,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-08 12:20:03,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1661, Unknown=2, NotChecked=170, Total=2070 [2024-11-08 12:20:03,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:20:03,656 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:20:03,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 1.891304347826087) internal successors, (87), 45 states have internal predecessors, (87), 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) [2024-11-08 12:20:03,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:20:03,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:20:03,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:20:03,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:20:03,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:20:03,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-08 12:20:03,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-08 12:20:03,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:20:19,699 WARN L286 SmtUtils]: Spent 12.76s on a formula simplification. DAG size of input: 86 DAG size of output: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:20:22,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:20:24,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:20:26,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:20:28,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:20:30,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:20:32,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:20:34,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:20:36,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:20:38,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:20:48,126 WARN L286 SmtUtils]: Spent 6.59s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:20:59,854 WARN L286 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 74 DAG size of output: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:21:01,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:21:03,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:21:05,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:21:08,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:21:10,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:21:18,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:21:25,287 WARN L286 SmtUtils]: Spent 6.13s on a formula simplification. DAG size of input: 52 DAG size of output: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:21:30,840 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (mod (+ 7 c_thread2Thread1of1ForFork1_~i~1) 4294967296)) (.cse4 (mod (+ c_thread2Thread1of1ForFork1_~i~1 1) 4294967296)) (.cse7 (mod (+ c_thread2Thread1of1ForFork1_~i~1 4) 4294967296)) (.cse3 (mod (+ c_thread2Thread1of1ForFork1_~i~1 6) 4294967296)) (.cse6 (mod (+ 5 c_thread2Thread1of1ForFork1_~i~1) 4294967296)) (.cse8 (mod (+ c_thread2Thread1of1ForFork1_~i~1 3) 4294967296)) (.cse2 (mod c_~a~0 4294967296)) (.cse5 (mod (+ 2 c_thread2Thread1of1ForFork1_~i~1) 4294967296)) (.cse0 (mod c_~x_1~0 4294967296))) (and (or (= .cse0 (mod (+ c_~x_2~0 (* 7 c_~b~0)) 4294967296)) (< .cse1 .cse2) (< .cse2 (+ .cse3 1))) (or (< .cse2 (+ .cse4 1)) (< .cse5 .cse2) (= .cse0 (mod (+ c_~x_2~0 (* 2 c_~b~0)) 4294967296))) (or (= (mod (+ (* c_~b~0 8) c_~x_2~0) 4294967296) .cse0) (< (mod c_thread1Thread1of1ForFork0_~i~0 4294967296) (mod c_~b~0 4294967296)) (< (mod (+ c_thread2Thread1of1ForFork1_~i~1 8) 4294967296) .cse2) (< .cse2 (+ .cse1 1))) (or (< .cse4 .cse2) (< .cse2 (+ (mod c_thread2Thread1of1ForFork1_~i~1 4294967296) 1)) (= (mod (+ c_~x_2~0 c_~b~0) 4294967296) .cse0)) (or (< .cse6 .cse2) (= .cse0 (mod (+ c_~x_2~0 (* 5 c_~b~0)) 4294967296)) (< .cse2 (+ .cse7 1))) (or (= .cse0 (mod (+ (* c_~b~0 4) c_~x_2~0) 4294967296)) (< .cse7 .cse2) (< .cse2 (+ .cse8 1))) (or (< .cse3 .cse2) (< .cse2 (+ .cse6 1)) (= .cse0 (mod (+ c_~x_2~0 (* 6 c_~b~0)) 4294967296))) (or (< .cse8 .cse2) (= .cse0 (mod (+ c_~x_2~0 (* 3 c_~b~0)) 4294967296)) (< .cse2 (+ .cse5 1))) (= .cse0 (mod c_~x_2~0 4294967296)))) is different from false [2024-11-08 12:21:42,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:22:21,693 WARN L286 SmtUtils]: Spent 18.98s on a formula simplification that was a NOOP. DAG size: 94 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:23:08,580 WARN L286 SmtUtils]: Spent 20.57s on a formula simplification. DAG size of input: 105 DAG size of output: 101 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:23:10,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:23:12,724 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (mod (+ c_thread2Thread1of1ForFork1_~i~1 1) 4294967296)) (.cse5 (mod (+ c_thread2Thread1of1ForFork1_~i~1 4) 4294967296)) (.cse4 (mod (+ 5 c_thread2Thread1of1ForFork1_~i~1) 4294967296)) (.cse7 (mod (+ c_thread2Thread1of1ForFork1_~i~1 6) 4294967296)) (.cse6 (mod (+ c_thread2Thread1of1ForFork1_~i~1 3) 4294967296)) (.cse0 (mod c_~a~0 4294967296)) (.cse2 (mod (+ 2 c_thread2Thread1of1ForFork1_~i~1) 4294967296)) (.cse3 (mod c_~x_1~0 4294967296))) (and (or (< .cse0 (+ .cse1 1)) (< .cse2 .cse0) (= .cse3 (mod (+ c_~x_2~0 (* 2 c_~b~0)) 4294967296))) (or (< .cse1 .cse0) (< .cse0 (+ (mod c_thread2Thread1of1ForFork1_~i~1 4294967296) 1)) (= (mod (+ c_~x_2~0 c_~b~0) 4294967296) .cse3)) (or (< .cse4 .cse0) (= .cse3 (mod (+ c_~x_2~0 (* 5 c_~b~0)) 4294967296)) (< .cse0 (+ .cse5 1))) (or (= .cse3 (mod (+ (* c_~b~0 4) c_~x_2~0) 4294967296)) (< .cse5 .cse0) (< .cse0 (+ .cse6 1))) (or (< .cse7 .cse0) (< .cse0 (+ .cse4 1)) (= .cse3 (mod (+ c_~x_2~0 (* 6 c_~b~0)) 4294967296))) (or (< (mod c_thread1Thread1of1ForFork0_~i~0 4294967296) (mod c_~b~0 4294967296)) (= .cse3 (mod (+ c_~x_2~0 (* 7 c_~b~0)) 4294967296)) (< (mod (+ 7 c_thread2Thread1of1ForFork1_~i~1) 4294967296) .cse0) (< .cse0 (+ .cse7 1))) (or (< .cse6 .cse0) (= .cse3 (mod (+ c_~x_2~0 (* 3 c_~b~0)) 4294967296)) (< .cse0 (+ .cse2 1))) (= .cse3 (mod c_~x_2~0 4294967296)))) is different from false [2024-11-08 12:23:14,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:23:24,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:23:26,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:23:56,018 WARN L286 SmtUtils]: Spent 23.69s on a formula simplification. DAG size of input: 89 DAG size of output: 85 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:23:58,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 12:23:58,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:23:58,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:23:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:23:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:23:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:23:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-08 12:23:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-08 12:23:58,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-08 12:23:58,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-08 12:23:58,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:23:58,229 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:23:58,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:58,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1423307199, now seen corresponding path program 5 times [2024-11-08 12:23:58,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:58,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232620412] [2024-11-08 12:23:58,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:58,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:01,318 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:24:01,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:24:01,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232620412] [2024-11-08 12:24:01,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232620412] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:24:01,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595464352] [2024-11-08 12:24:01,318 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-08 12:24:01,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:24:01,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:24:01,320 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:24:01,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c370ad0d-e5b2-459a-94ea-5379cc77dd07/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 12:24:01,523 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-11-08 12:24:01,523 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:24:01,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-08 12:24:01,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:24:04,230 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:24:04,230 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:28:12,178 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:28:12,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595464352] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:28:12,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:28:12,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 24] total 69 [2024-11-08 12:28:12,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354615301] [2024-11-08 12:28:12,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:28:12,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-11-08 12:28:12,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:28:12,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-11-08 12:28:12,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=506, Invalid=4229, Unknown=95, NotChecked=0, Total=4830 [2024-11-08 12:28:12,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:12,183 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:28:12,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.9285714285714286) internal successors, (135), 69 states have internal predecessors, (135), 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) [2024-11-08 12:28:12,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:28:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:28:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:28:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-08 12:28:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:28:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-08 12:28:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-11-08 12:28:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-11-08 12:28:12,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:28:14,525 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (mod (+ c_thread2Thread1of1ForFork1_~i~1 1) 4294967296)) (.cse1 (mod (+ 7 c_thread2Thread1of1ForFork1_~i~1) 4294967296)) (.cse8 (mod (+ c_thread2Thread1of1ForFork1_~i~1 4) 4294967296)) (.cse3 (mod (+ c_thread2Thread1of1ForFork1_~i~1 6) 4294967296)) (.cse7 (mod (+ 5 c_thread2Thread1of1ForFork1_~i~1) 4294967296)) (.cse10 (mod (+ c_thread2Thread1of1ForFork1_~i~1 3) 4294967296)) (.cse5 (mod (+ 2 c_thread2Thread1of1ForFork1_~i~1) 4294967296)) (.cse12 (mod (+ c_thread2Thread1of1ForFork1_~i~1 10) 4294967296)) (.cse6 (mod (+ c_thread2Thread1of1ForFork1_~i~1 14) 4294967296)) (.cse14 (mod (+ c_thread2Thread1of1ForFork1_~i~1 13) 4294967296)) (.cse9 (mod (+ c_thread2Thread1of1ForFork1_~i~1 8) 4294967296)) (.cse13 (mod (+ 9 c_thread2Thread1of1ForFork1_~i~1) 4294967296)) (.cse11 (mod (+ c_thread2Thread1of1ForFork1_~i~1 11) 4294967296)) (.cse0 (mod c_~x_1~0 4294967296)) (.cse15 (mod (+ c_thread2Thread1of1ForFork1_~i~1 12) 4294967296)) (.cse2 (mod c_~a~0 4294967296))) (and (or (= .cse0 (mod (+ c_~x_2~0 (* 7 c_~b~0)) 4294967296)) (< .cse1 .cse2) (< .cse2 (+ .cse3 1))) (or (< .cse2 (+ .cse4 1)) (< .cse5 .cse2) (= .cse0 (mod (+ c_~x_2~0 (* 2 c_~b~0)) 4294967296))) (or (< .cse4 .cse2) (= (mod (+ c_~x_2~0 c_~b~0) 4294967296) .cse0)) (or (< (mod (+ c_thread2Thread1of1ForFork1_~i~1 15) 4294967296) .cse2) (< .cse2 (+ .cse6 1)) (= .cse0 (mod (+ c_~x_2~0 (* c_~b~0 15)) 4294967296))) (or (< .cse7 .cse2) (= .cse0 (mod (+ c_~x_2~0 (* 5 c_~b~0)) 4294967296)) (< .cse2 (+ .cse8 1))) (or (= (mod (+ (* c_~b~0 8) c_~x_2~0) 4294967296) .cse0) (< .cse9 .cse2) (< .cse2 (+ .cse1 1))) (or (= .cse0 (mod (+ (* c_~b~0 4) c_~x_2~0) 4294967296)) (< .cse8 .cse2) (< .cse2 (+ .cse10 1))) (or (< .cse3 .cse2) (< .cse2 (+ .cse7 1)) (= .cse0 (mod (+ c_~x_2~0 (* 6 c_~b~0)) 4294967296))) (= c_~x_2~0 0) (or (= (mod (+ c_~x_2~0 (* c_~b~0 11)) 4294967296) .cse0) (< .cse11 .cse2) (< .cse2 (+ .cse12 1))) (or (< .cse10 .cse2) (= .cse0 (mod (+ c_~x_2~0 (* 3 c_~b~0)) 4294967296)) (< .cse2 (+ .cse5 1))) (or (< .cse2 (+ .cse13 1)) (< .cse12 .cse2) (= (mod (+ c_~x_2~0 (* c_~b~0 10)) 4294967296) .cse0)) (= c_thread1Thread1of1ForFork0_~i~0 0) (or (= .cse0 (mod (+ c_~x_2~0 (* 14 c_~b~0)) 4294967296)) (< .cse2 (+ .cse14 1)) (< .cse6 .cse2)) (= c_~x_1~0 0) (or (< .cse14 .cse2) (= .cse0 (mod (+ c_~x_2~0 (* c_~b~0 13)) 4294967296)) (< .cse2 (+ .cse15 1))) (or (< .cse2 (+ .cse9 1)) (= (mod (+ c_~x_2~0 (* 9 c_~b~0)) 4294967296) .cse0) (< .cse13 .cse2)) (or (< .cse2 (+ .cse11 1)) (= (mod (+ c_~x_2~0 (* c_~b~0 12)) 4294967296) .cse0) (< .cse15 .cse2)))) is different from false [2024-11-08 12:28:24,336 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (mod (+ c_thread2Thread1of1ForFork1_~i~1 1) 4294967296)) (.cse1 (mod (+ 7 c_thread2Thread1of1ForFork1_~i~1) 4294967296)) (.cse8 (mod (+ c_thread2Thread1of1ForFork1_~i~1 4) 4294967296)) (.cse3 (mod (+ c_thread2Thread1of1ForFork1_~i~1 6) 4294967296)) (.cse7 (mod (+ 5 c_thread2Thread1of1ForFork1_~i~1) 4294967296)) (.cse10 (mod (+ c_thread2Thread1of1ForFork1_~i~1 3) 4294967296)) (.cse5 (mod (+ 2 c_thread2Thread1of1ForFork1_~i~1) 4294967296)) (.cse12 (mod (+ c_thread2Thread1of1ForFork1_~i~1 10) 4294967296)) (.cse6 (mod (+ c_thread2Thread1of1ForFork1_~i~1 14) 4294967296)) (.cse14 (mod (+ c_thread2Thread1of1ForFork1_~i~1 13) 4294967296)) (.cse9 (mod (+ c_thread2Thread1of1ForFork1_~i~1 8) 4294967296)) (.cse13 (mod (+ 9 c_thread2Thread1of1ForFork1_~i~1) 4294967296)) (.cse11 (mod (+ c_thread2Thread1of1ForFork1_~i~1 11) 4294967296)) (.cse0 (mod c_~x_1~0 4294967296)) (.cse15 (mod (+ c_thread2Thread1of1ForFork1_~i~1 12) 4294967296)) (.cse2 (mod c_~a~0 4294967296))) (and (or (= .cse0 (mod (+ c_~x_2~0 (* 7 c_~b~0)) 4294967296)) (< .cse1 .cse2) (< .cse2 (+ .cse3 1))) (or (< .cse2 (+ .cse4 1)) (< .cse5 .cse2) (= .cse0 (mod (+ c_~x_2~0 (* 2 c_~b~0)) 4294967296))) (or (< .cse4 .cse2) (= (mod (+ c_~x_2~0 c_~b~0) 4294967296) .cse0)) (or (< (mod (+ c_thread2Thread1of1ForFork1_~i~1 15) 4294967296) .cse2) (< .cse2 (+ .cse6 1)) (= .cse0 (mod (+ c_~x_2~0 (* c_~b~0 15)) 4294967296))) (or (< .cse7 .cse2) (= .cse0 (mod (+ c_~x_2~0 (* 5 c_~b~0)) 4294967296)) (< .cse2 (+ .cse8 1))) (or (= (mod (+ (* c_~b~0 8) c_~x_2~0) 4294967296) .cse0) (< .cse9 .cse2) (< .cse2 (+ .cse1 1))) (or (= .cse0 (mod (+ (* c_~b~0 4) c_~x_2~0) 4294967296)) (< .cse8 .cse2) (< .cse2 (+ .cse10 1))) (or (< .cse3 .cse2) (< .cse2 (+ .cse7 1)) (= .cse0 (mod (+ c_~x_2~0 (* 6 c_~b~0)) 4294967296))) (= c_~x_2~0 0) (or (= (mod (+ c_~x_2~0 (* c_~b~0 11)) 4294967296) .cse0) (< .cse11 .cse2) (< .cse2 (+ .cse12 1))) (or (< .cse10 .cse2) (= .cse0 (mod (+ c_~x_2~0 (* 3 c_~b~0)) 4294967296)) (< .cse2 (+ .cse5 1))) (or (< .cse2 (+ .cse13 1)) (< .cse12 .cse2) (= (mod (+ c_~x_2~0 (* c_~b~0 10)) 4294967296) .cse0)) (or (= .cse0 (mod (+ c_~x_2~0 (* 14 c_~b~0)) 4294967296)) (< .cse2 (+ .cse14 1)) (< .cse6 .cse2)) (= c_~x_1~0 0) (or (< .cse14 .cse2) (= .cse0 (mod (+ c_~x_2~0 (* c_~b~0 13)) 4294967296)) (< .cse2 (+ .cse15 1))) (or (< .cse2 (+ .cse9 1)) (= (mod (+ c_~x_2~0 (* 9 c_~b~0)) 4294967296) .cse0) (< .cse13 .cse2)) (or (< .cse2 (+ .cse11 1)) (= (mod (+ c_~x_2~0 (* c_~b~0 12)) 4294967296) .cse0) (< .cse15 .cse2)))) is different from false