./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/mult-flipped-dist.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_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/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_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/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_3a62e812-b187-4ea9-82f3-f28e0b1a468a/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 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:12:40,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:12:41,054 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-08 12:12:41,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:12:41,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:12:41,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:12:41,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:12:41,116 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:12:41,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:12:41,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:12:41,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:12:41,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:12:41,119 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:12:41,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:12:41,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:12:41,126 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:12:41,126 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:12:41,127 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:12:41,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:12:41,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:12:41,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:12:41,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:12:41,132 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:12:41,132 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:12:41,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:12:41,133 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:12:41,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:12:41,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:12:41,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:12:41,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:12:41,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:12:41,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:12:41,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:12:41,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:12:41,135 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:12:41,136 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-08 12:12:41,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:12:41,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:12:41,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-08 12:12:41,140 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-08 12:12:41,141 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-08 12:12:41,141 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_3a62e812-b187-4ea9-82f3-f28e0b1a468a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc [2024-11-08 12:12:41,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:12:41,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:12:41,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:12:41,459 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:12:41,460 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:12:41,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c Unable to find full path for "g++" [2024-11-08 12:12:43,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:12:43,917 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:12:43,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2024-11-08 12:12:43,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/data/6f584e0d0/3ab290ca6a204b26b16517be26773e0c/FLAGb8df4313e [2024-11-08 12:12:43,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/data/6f584e0d0/3ab290ca6a204b26b16517be26773e0c [2024-11-08 12:12:43,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:12:43,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:12:43,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:12:43,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:12:43,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:12:43,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:12:43" (1/1) ... [2024-11-08 12:12:43,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634b1b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:43, skipping insertion in model container [2024-11-08 12:12:43,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:12:43" (1/1) ... [2024-11-08 12:12:43,984 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:12:44,291 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_3a62e812-b187-4ea9-82f3-f28e0b1a468a/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c[2174,2187] [2024-11-08 12:12:44,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:12:44,308 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:12:44,331 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_3a62e812-b187-4ea9-82f3-f28e0b1a468a/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c[2174,2187] [2024-11-08 12:12:44,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:12:44,349 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:12:44,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:44 WrapperNode [2024-11-08 12:12:44,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:12:44,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:12:44,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:12:44,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:12:44,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:44" (1/1) ... [2024-11-08 12:12:44,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:44" (1/1) ... [2024-11-08 12:12:44,381 INFO L138 Inliner]: procedures = 21, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2024-11-08 12:12:44,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:12:44,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:12:44,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:12:44,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:12:44,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:44" (1/1) ... [2024-11-08 12:12:44,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:44" (1/1) ... [2024-11-08 12:12:44,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:44" (1/1) ... [2024-11-08 12:12:44,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:44" (1/1) ... [2024-11-08 12:12:44,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:44" (1/1) ... [2024-11-08 12:12:44,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:44" (1/1) ... [2024-11-08 12:12:44,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:44" (1/1) ... [2024-11-08 12:12:44,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:44" (1/1) ... [2024-11-08 12:12:44,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:12:44,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:12:44,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:12:44,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:12:44,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:44" (1/1) ... [2024-11-08 12:12:44,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:12:44,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:12:44,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-08 12:12:44,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-08 12:12:44,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:12:44,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 12:12:44,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 12:12:44,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 12:12:44,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 12:12:44,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 12:12:44,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 12:12:44,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 12:12:44,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:12:44,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:12:44,495 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 12:12:44,636 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:12:44,639 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:12:44,905 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 12:12:44,905 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:12:45,114 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:12:45,115 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 12:12:45,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:12:45 BoogieIcfgContainer [2024-11-08 12:12:45,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:12:45,118 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:12:45,118 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:12:45,122 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:12:45,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:12:43" (1/3) ... [2024-11-08 12:12:45,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa086de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:12:45, skipping insertion in model container [2024-11-08 12:12:45,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:12:44" (2/3) ... [2024-11-08 12:12:45,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa086de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:12:45, skipping insertion in model container [2024-11-08 12:12:45,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:12:45" (3/3) ... [2024-11-08 12:12:45,125 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2024-11-08 12:12:45,145 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:12:45,145 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:12:45,145 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 12:12:45,224 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-08 12:12:45,276 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:12:45,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-08 12:12:45,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:12:45,278 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-08 12:12:45,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-08 12:12:45,306 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:12:45,320 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-08 12:12:45,327 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;@859c480, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:12:45,328 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 12:12:45,970 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-08 12:12:45,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:12:45,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1186375489, now seen corresponding path program 1 times [2024-11-08 12:12:45,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:12:45,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952876212] [2024-11-08 12:12:45,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:12:45,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:12:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:12:46,920 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 12:12:46,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:12:46,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952876212] [2024-11-08 12:12:46,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952876212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:12:46,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:12:46,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:12:46,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140306877] [2024-11-08 12:12:46,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:12:46,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:12:46,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:12:46,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:12:46,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:12:46,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:46,968 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:12:46,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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 12:12:46,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:47,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:47,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:12:47,049 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-08 12:12:47,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:12:47,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1006877668, now seen corresponding path program 1 times [2024-11-08 12:12:47,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:12:47,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306182083] [2024-11-08 12:12:47,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:12:47,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:12:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:12:47,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:47,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:12:47,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306182083] [2024-11-08 12:12:47,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306182083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:12:47,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:12:47,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:12:47,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061677388] [2024-11-08 12:12:47,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:12:47,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:12:47,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:12:47,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:12:47,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:12:47,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:47,229 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:12:47,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:12:47,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:47,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:47,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:47,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:12:47,419 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-08 12:12:47,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:12:47,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1117144920, now seen corresponding path program 1 times [2024-11-08 12:12:47,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:12:47,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829424840] [2024-11-08 12:12:47,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:12:47,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:12:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:12:47,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:47,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:12:47,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829424840] [2024-11-08 12:12:47,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829424840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:12:47,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:12:47,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:12:47,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599546426] [2024-11-08 12:12:47,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:12:47,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:12:47,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:12:47,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:12:47,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:12:47,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:47,570 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:12:47,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:12:47,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:47,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:47,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:47,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:47,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:47,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:47,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 12:12:47,739 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-08 12:12:47,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:12:47,740 INFO L85 PathProgramCache]: Analyzing trace with hash -730642503, now seen corresponding path program 1 times [2024-11-08 12:12:47,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:12:47,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220477743] [2024-11-08 12:12:47,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:12:47,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:12:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:12:47,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:47,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:12:47,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220477743] [2024-11-08 12:12:47,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220477743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:12:47,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:12:47,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:12:47,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221455998] [2024-11-08 12:12:47,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:12:47,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:12:47,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:12:47,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:12:47,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:12:47,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:47,905 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:12:47,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 12:12:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:47,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:47,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:48,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:48,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:48,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:48,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 12:12:48,065 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-08 12:12:48,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:12:48,065 INFO L85 PathProgramCache]: Analyzing trace with hash -2114141866, now seen corresponding path program 1 times [2024-11-08 12:12:48,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:12:48,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857328963] [2024-11-08 12:12:48,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:12:48,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:12:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:12:48,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:48,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:12:48,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857328963] [2024-11-08 12:12:48,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857328963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:12:48,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844990335] [2024-11-08 12:12:48,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:12:48,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:12:48,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:12:48,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:12:48,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 12:12:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:12:48,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 12:12:48,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:12:48,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:48,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:12:50,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:12:50,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844990335] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:12:50,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:12:50,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 4] total 12 [2024-11-08 12:12:50,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651178644] [2024-11-08 12:12:50,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:12:50,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 12:12:50,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:12:50,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 12:12:50,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-08 12:12:50,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:50,103 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:12:50,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 12 states have internal predecessors, (79), 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 12:12:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:50,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:50,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:50,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:50,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:50,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:50,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 12:12:50,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:12:50,436 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-08 12:12:50,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:12:50,436 INFO L85 PathProgramCache]: Analyzing trace with hash 762831603, now seen corresponding path program 2 times [2024-11-08 12:12:50,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:12:50,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205409629] [2024-11-08 12:12:50,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:12:50,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:12:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:12:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:50,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:12:50,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205409629] [2024-11-08 12:12:50,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205409629] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:12:50,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411345159] [2024-11-08 12:12:50,739 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:12:50,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:12:50,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:12:50,741 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:12:50,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 12:12:50,839 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:12:50,839 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:12:50,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 12:12:50,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:12:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:50,986 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:12:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:51,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411345159] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:12:51,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:12:51,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-08 12:12:51,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234875015] [2024-11-08 12:12:51,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:12:51,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 12:12:51,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:12:51,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 12:12:51,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-08 12:12:51,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:51,169 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:12:51,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 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 12:12:51,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:51,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:51,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:51,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:51,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:51,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:51,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:51,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:51,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:51,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:51,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:12:51,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 12:12:51,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:12:51,784 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-08 12:12:51,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:12:51,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1889662371, now seen corresponding path program 3 times [2024-11-08 12:12:51,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:12:51,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508368715] [2024-11-08 12:12:51,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:12:51,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:12:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:12:52,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:52,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:12:52,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508368715] [2024-11-08 12:12:52,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508368715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:12:52,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798637263] [2024-11-08 12:12:52,054 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 12:12:52,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:12:52,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:12:52,057 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:12:52,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 12:12:52,139 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-08 12:12:52,140 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:12:52,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 12:12:52,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:12:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:52,255 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:12:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:52,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798637263] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:12:52,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:12:52,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-08 12:12:52,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121626877] [2024-11-08 12:12:52,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:12:52,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 12:12:52,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:12:52,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 12:12:52,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-08 12:12:52,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:52,410 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:12:52,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 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 12:12:52,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:52,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:52,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:52,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:52,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:52,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:12:52,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:53,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:53,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:53,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:53,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:53,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:12:53,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:12:53,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:12:53,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 12:12:53,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:12:53,287 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-08 12:12:53,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:12:53,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1408113105, now seen corresponding path program 4 times [2024-11-08 12:12:53,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:12:53,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447680651] [2024-11-08 12:12:53,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:12:53,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:12:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:12:53,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:53,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:12:53,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447680651] [2024-11-08 12:12:53,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447680651] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:12:53,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178811439] [2024-11-08 12:12:53,463 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 12:12:53,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:12:53,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:12:53,465 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:12:53,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 12:12:53,541 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 12:12:53,541 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:12:53,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 12:12:53,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:12:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:53,668 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:12:53,822 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:53,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178811439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:12:53,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:12:53,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-11-08 12:12:53,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733469098] [2024-11-08 12:12:53,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:12:53,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 12:12:53,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:12:53,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 12:12:53,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-08 12:12:53,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:53,825 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:12:53,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 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 12:12:53,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:53,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:53,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:53,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:53,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:12:53,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:12:53,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:12:53,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:12:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:12:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:12:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 12:12:54,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 12:12:54,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:12:54,724 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-08 12:12:54,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:12:54,725 INFO L85 PathProgramCache]: Analyzing trace with hash -847082288, now seen corresponding path program 5 times [2024-11-08 12:12:54,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:12:54,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102618066] [2024-11-08 12:12:54,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:12:54,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:12:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:12:54,977 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:54,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:12:54,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102618066] [2024-11-08 12:12:54,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102618066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:12:54,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515356415] [2024-11-08 12:12:54,978 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-08 12:12:54,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:12:54,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:12:54,982 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:12:54,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 12:12:55,055 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-08 12:12:55,056 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:12:55,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 12:12:55,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:12:55,182 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:55,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:12:55,346 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:55,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515356415] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:12:55,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:12:55,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2024-11-08 12:12:55,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432269797] [2024-11-08 12:12:55,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:12:55,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 12:12:55,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:12:55,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 12:12:55,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-08 12:12:55,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:55,350 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:12:55,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.764705882352941) internal successors, (64), 17 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:12:55,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:55,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:55,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:55,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:55,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:12:55,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-08 12:12:55,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:12:55,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-08 12:12:55,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:56,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:56,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:56,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:56,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:56,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 12:12:56,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:12:56,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:12:56,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:12:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 12:12:56,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 12:12:56,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:12:56,876 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-08 12:12:56,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:12:56,877 INFO L85 PathProgramCache]: Analyzing trace with hash 195680481, now seen corresponding path program 6 times [2024-11-08 12:12:56,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:12:56,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751727686] [2024-11-08 12:12:56,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:12:56,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:12:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:12:57,383 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:57,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:12:57,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751727686] [2024-11-08 12:12:57,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751727686] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:12:57,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673220927] [2024-11-08 12:12:57,384 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-08 12:12:57,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:12:57,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:12:57,388 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:12:57,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 12:12:57,494 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-11-08 12:12:57,494 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:12:57,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 12:12:57,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:12:57,807 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:57,807 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:12:58,255 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:58,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673220927] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:12:58,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:12:58,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 29 [2024-11-08 12:12:58,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116116005] [2024-11-08 12:12:58,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:12:58,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-08 12:12:58,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:12:58,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-08 12:12:58,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=711, Unknown=0, NotChecked=0, Total=812 [2024-11-08 12:12:58,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:58,261 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:12:58,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.4827586206896552) internal successors, (101), 29 states have internal predecessors, (101), 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 12:12:58,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:58,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:58,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:58,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:58,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-08 12:12:58,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:12:58,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:12:58,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:12:58,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-08 12:12:58,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:13:05,507 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 12:13:07,519 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 12:13:40,255 WARN L286 SmtUtils]: Spent 6.26s on a formula simplification. DAG size of input: 37 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:13:48,441 WARN L286 SmtUtils]: Spent 7.94s on a formula simplification. DAG size of input: 40 DAG size of output: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:13:58,719 WARN L286 SmtUtils]: Spent 6.06s on a formula simplification. DAG size of input: 29 DAG size of output: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:14:06,918 WARN L286 SmtUtils]: Spent 6.06s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:14:33,231 WARN L286 SmtUtils]: Spent 7.18s on a formula simplification. DAG size of input: 32 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:14:43,451 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification. DAG size of input: 35 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 12:14:52,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:14:52,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:14:52,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:14:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:14:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 12:14:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:14:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:14:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-08 12:14:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-08 12:14:52,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-11-08 12:14:52,264 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-08 12:14:52,264 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-08 12:14:52,264 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-08 12:14:52,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-08 12:14:52,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 12:14:52,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 12:14:52,470 INFO L407 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1] [2024-11-08 12:14:52,473 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 12:14:52,473 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 12:14:52,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-11-08 12:14:52,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:14:52 BasicIcfg [2024-11-08 12:14:52,496 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 12:14:52,497 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 12:14:52,497 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 12:14:52,497 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 12:14:52,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:12:45" (3/4) ... [2024-11-08 12:14:52,500 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 12:14:52,503 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-08 12:14:52,503 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-08 12:14:52,503 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-08 12:14:52,507 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2024-11-08 12:14:52,507 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 12:14:52,508 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 12:14:52,508 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 12:14:52,597 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/witness.graphml [2024-11-08 12:14:52,598 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/witness.yml [2024-11-08 12:14:52,598 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 12:14:52,598 INFO L158 Benchmark]: Toolchain (without parser) took 128655.77ms. Allocated memory was 123.7MB in the beginning and 209.7MB in the end (delta: 86.0MB). Free memory was 86.1MB in the beginning and 78.7MB in the end (delta: 7.4MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB. [2024-11-08 12:14:52,599 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:14:52,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.78ms. Allocated memory is still 123.7MB. Free memory was 85.7MB in the beginning and 72.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 12:14:52,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.71ms. Allocated memory is still 123.7MB. Free memory was 72.6MB in the beginning and 71.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:14:52,600 INFO L158 Benchmark]: Boogie Preprocessor took 23.60ms. Allocated memory is still 123.7MB. Free memory was 71.4MB in the beginning and 70.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:14:52,600 INFO L158 Benchmark]: RCFGBuilder took 708.65ms. Allocated memory was 123.7MB in the beginning and 174.1MB in the end (delta: 50.3MB). Free memory was 69.8MB in the beginning and 138.0MB in the end (delta: -68.2MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-11-08 12:14:52,600 INFO L158 Benchmark]: TraceAbstraction took 127377.95ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 136.9MB in the beginning and 83.3MB in the end (delta: 53.6MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2024-11-08 12:14:52,605 INFO L158 Benchmark]: Witness Printer took 101.13ms. Allocated memory is still 209.7MB. Free memory was 83.3MB in the beginning and 78.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 12:14:52,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.78ms. Allocated memory is still 123.7MB. Free memory was 85.7MB in the beginning and 72.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.71ms. Allocated memory is still 123.7MB. Free memory was 72.6MB in the beginning and 71.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.60ms. Allocated memory is still 123.7MB. Free memory was 71.4MB in the beginning and 70.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 708.65ms. Allocated memory was 123.7MB in the beginning and 174.1MB in the end (delta: 50.3MB). Free memory was 69.8MB in the beginning and 138.0MB in the end (delta: -68.2MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * TraceAbstraction took 127377.95ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 136.9MB in the beginning and 83.3MB in the end (delta: 53.6MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. * Witness Printer took 101.13ms. Allocated memory is still 209.7MB. Free memory was 83.3MB in the beginning and 78.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14940, independent: 13085, independent conditional: 12334, independent unconditional: 751, dependent: 1855, dependent conditional: 1851, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13089, independent: 13085, independent conditional: 12334, independent unconditional: 751, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13089, independent: 13085, independent conditional: 12334, independent unconditional: 751, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13089, independent: 13085, independent conditional: 12334, independent unconditional: 751, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13089, independent: 13085, independent conditional: 0, independent unconditional: 13085, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13089, independent: 13085, independent conditional: 0, independent unconditional: 13085, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 639, independent: 635, independent conditional: 0, independent unconditional: 635, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 639, independent: 633, independent conditional: 0, independent unconditional: 633, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 531, independent: 223, independent conditional: 0, independent unconditional: 223, dependent: 308, dependent conditional: 0, dependent unconditional: 308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13089, independent: 12450, independent conditional: 0, independent unconditional: 12450, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 639, unknown conditional: 0, unknown unconditional: 639] , Statistics on independence cache: Total cache size (in pairs): 639, Positive cache size: 635, Positive conditional cache size: 0, Positive unconditional cache size: 635, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12334, Maximal queried relation: 0, Independence queries for same thread: 1851, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 201, Number of trivial persistent sets: 165, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 755, independent: 751, independent conditional: 0, independent unconditional: 751, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14940, independent: 13085, independent conditional: 12334, independent unconditional: 751, dependent: 1855, dependent conditional: 1851, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13089, independent: 13085, independent conditional: 12334, independent unconditional: 751, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13089, independent: 13085, independent conditional: 12334, independent unconditional: 751, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13089, independent: 13085, independent conditional: 12334, independent unconditional: 751, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13089, independent: 13085, independent conditional: 0, independent unconditional: 13085, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13089, independent: 13085, independent conditional: 0, independent unconditional: 13085, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 639, independent: 635, independent conditional: 0, independent unconditional: 635, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 639, independent: 633, independent conditional: 0, independent unconditional: 633, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 531, independent: 223, independent conditional: 0, independent unconditional: 223, dependent: 308, dependent conditional: 0, dependent unconditional: 308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13089, independent: 12450, independent conditional: 0, independent unconditional: 12450, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 639, unknown conditional: 0, unknown unconditional: 639] , Statistics on independence cache: Total cache size (in pairs): 639, Positive cache size: 635, Positive conditional cache size: 0, Positive unconditional cache size: 635, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12334, Maximal queried relation: 0, Independence queries for same thread: 1851 - PositiveResult [Line: 81]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 127.2s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 118.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 359, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 464 NumberOfCodeBlocks, 464 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 628 ConstructedInterpolants, 0 QuantifiedInterpolants, 3964 SizeOfPredicates, 17 NumberOfNonLiveVariables, 930 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 22 InterpolantComputations, 4 PerfectInterpolantSequences, 68/196 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 12:14:52,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a62e812-b187-4ea9-82f3-f28e0b1a468a/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE