./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 06:37:53,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:37:53,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-27 06:37:53,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:37:53,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:37:53,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:37:53,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:37:53,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:37:53,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:37:53,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:37:53,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:37:53,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:37:53,229 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:37:53,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:37:53,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 06:37:53,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:37:53,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:37:53,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:37:53,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:37:53,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 06:37:53,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:37:53,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 06:37:53,230 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:37:53,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 06:37:53,231 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:37:53,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:37:53,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:37:53,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:37:53,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 06:37:53,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:37:53,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:37:53,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:37:53,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:37:53,232 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 06:37:53,233 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-27 06:37:53,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 06:37:53,233 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:37:53,233 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-27 06:37:53,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:37:53,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:37:53,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:37:53,234 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:37:53,234 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:37:53,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf [2024-11-27 06:37:53,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:37:53,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:37:53,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:37:53,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:37:53,598 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:37:53,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2024-11-27 06:37:56,617 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/data/aa0b00b69/90b86116cb59407dac16deca62dde966/FLAGf257152c1 [2024-11-27 06:37:56,923 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:37:56,925 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2024-11-27 06:37:56,935 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/data/aa0b00b69/90b86116cb59407dac16deca62dde966/FLAGf257152c1 [2024-11-27 06:37:57,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/data/aa0b00b69/90b86116cb59407dac16deca62dde966 [2024-11-27 06:37:57,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:37:57,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:37:57,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:37:57,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:37:57,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:37:57,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:37:57" (1/1) ... [2024-11-27 06:37:57,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30676020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:57, skipping insertion in model container [2024-11-27 06:37:57,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:37:57" (1/1) ... [2024-11-27 06:37:57,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:37:57,458 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_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/sv-benchmarks/c/weaver/chl-node-trans.wvr.c[3984,3997] [2024-11-27 06:37:57,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:37:57,507 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:37:57,557 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_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/sv-benchmarks/c/weaver/chl-node-trans.wvr.c[3984,3997] [2024-11-27 06:37:57,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:37:57,598 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:37:57,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:57 WrapperNode [2024-11-27 06:37:57,599 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:37:57,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:37:57,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:37:57,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:37:57,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:57" (1/1) ... [2024-11-27 06:37:57,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:57" (1/1) ... [2024-11-27 06:37:57,681 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 22, calls inlined = 34, statements flattened = 418 [2024-11-27 06:37:57,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:37:57,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:37:57,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:37:57,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:37:57,694 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:57" (1/1) ... [2024-11-27 06:37:57,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:57" (1/1) ... [2024-11-27 06:37:57,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:57" (1/1) ... [2024-11-27 06:37:57,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:57" (1/1) ... [2024-11-27 06:37:57,730 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:57" (1/1) ... [2024-11-27 06:37:57,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:57" (1/1) ... [2024-11-27 06:37:57,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:57" (1/1) ... [2024-11-27 06:37:57,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:57" (1/1) ... [2024-11-27 06:37:57,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:57" (1/1) ... [2024-11-27 06:37:57,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:37:57,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:37:57,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:37:57,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:37:57,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:57" (1/1) ... [2024-11-27 06:37:57,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:37:57,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:37:57,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:37:57,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:37:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:37:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 06:37:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 06:37:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 06:37:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 06:37:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 06:37:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 06:37:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 06:37:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 06:37:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:37:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 06:37:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:37:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:37:57,843 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 06:37:57,995 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:37:57,997 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:37:58,771 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:37:58,771 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:37:59,533 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:37:59,533 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-27 06:37:59,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:37:59 BoogieIcfgContainer [2024-11-27 06:37:59,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:37:59,537 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:37:59,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:37:59,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:37:59,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:37:57" (1/3) ... [2024-11-27 06:37:59,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7a6311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:37:59, skipping insertion in model container [2024-11-27 06:37:59,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:37:57" (2/3) ... [2024-11-27 06:37:59,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7a6311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:37:59, skipping insertion in model container [2024-11-27 06:37:59,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:37:59" (3/3) ... [2024-11-27 06:37:59,546 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-node-trans.wvr.c [2024-11-27 06:37:59,569 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:37:59,571 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-node-trans.wvr.c that has 4 procedures, 26 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-27 06:37:59,571 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 06:37:59,687 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-27 06:37:59,758 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:37:59,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-27 06:37:59,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:37:59,765 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-27 06:37:59,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-27 06:37:59,879 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:37:59,898 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-27 06:37:59,905 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;@6e0bf68c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:37:59,905 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-27 06:38:01,627 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)] === [2024-11-27 06:38:01,627 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:38:01,627 INFO L139 ounterexampleChecker]: Examining path program with hash -862729480, occurence #1 [2024-11-27 06:38:01,628 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:38:01,628 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:38:01,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:38:01,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1915032844, now seen corresponding path program 1 times [2024-11-27 06:38:01,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:38:01,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086942707] [2024-11-27 06:38:01,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:38:01,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:38:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:38:02,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:38:02,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:38:02,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086942707] [2024-11-27 06:38:02,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086942707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:38:02,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:38:02,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:38:02,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244257577] [2024-11-27 06:38:02,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:38:02,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:38:02,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:38:02,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:38:02,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:38:02,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:02,493 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:38:02,496 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) [2024-11-27 06:38:02,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:02,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 06:38:02,634 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)] === [2024-11-27 06:38:02,634 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:38:02,635 INFO L139 ounterexampleChecker]: Examining path program with hash -862729480, occurence #2 [2024-11-27 06:38:02,635 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:38:02,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:38:02,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:02,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-27 06:38:02,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:02,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-27 06:38:02,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:02,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:38:03,120 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:03,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:38:03,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:03,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-27 06:38:03,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:03,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-27 06:38:03,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:03,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-27 06:38:03,121 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:03,121 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:38:03,121 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:38:03,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:38:03,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1550103469, now seen corresponding path program 1 times [2024-11-27 06:38:03,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:38:03,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791466597] [2024-11-27 06:38:03,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:38:03,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:38:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:38:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:38:03,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:38:03,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791466597] [2024-11-27 06:38:03,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791466597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:38:03,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:38:03,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:38:03,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044620706] [2024-11-27 06:38:03,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:38:03,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:38:03,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:38:03,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:38:03,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:38:03,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:03,512 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:38:03,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:38:03,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:03,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:03,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:03,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:03,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 06:38:03,634 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)] === [2024-11-27 06:38:03,634 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:38:03,634 INFO L139 ounterexampleChecker]: Examining path program with hash -862729480, occurence #3 [2024-11-27 06:38:03,635 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:38:03,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:38:03,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:03,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-27 06:38:03,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:03,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:38:03,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:03,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-27 06:38:03,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:03,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-27 06:38:03,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:03,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-27 06:38:03,636 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:03,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-27 06:38:03,636 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:03,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-27 06:38:03,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:03,636 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:38:03,636 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:38:03,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:38:03,637 INFO L85 PathProgramCache]: Analyzing trace with hash -444348486, now seen corresponding path program 1 times [2024-11-27 06:38:03,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:38:03,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628237251] [2024-11-27 06:38:03,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:38:03,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:38:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:38:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 06:38:03,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:38:03,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628237251] [2024-11-27 06:38:03,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628237251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:38:03,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:38:03,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:38:03,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035493671] [2024-11-27 06:38:03,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:38:03,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:38:03,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:38:03,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:38:03,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:38:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:03,955 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:38:03,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:38:03,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:03,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:03,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:04,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:04,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:04,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:04,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 06:38:04,071 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)] === [2024-11-27 06:38:04,071 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:38:04,071 INFO L139 ounterexampleChecker]: Examining path program with hash -862729480, occurence #4 [2024-11-27 06:38:04,071 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:38:04,071 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:38:04,071 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:04,071 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-27 06:38:04,071 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:04,071 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-27 06:38:04,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:04,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-27 06:38:04,072 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:04,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:38:04,072 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:04,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-27 06:38:04,072 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:04,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-27 06:38:04,072 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:04,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-27 06:38:04,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:04,072 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:38:04,072 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:38:04,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:38:04,073 INFO L85 PathProgramCache]: Analyzing trace with hash -717481548, now seen corresponding path program 1 times [2024-11-27 06:38:04,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:38:04,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984039327] [2024-11-27 06:38:04,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:38:04,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:38:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:38:04,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 06:38:04,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:38:04,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984039327] [2024-11-27 06:38:04,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984039327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:38:04,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:38:04,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:38:04,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293684986] [2024-11-27 06:38:04,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:38:04,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:38:04,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:38:04,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:38:04,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:38:04,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:04,390 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:38:04,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:38:04,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:04,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:04,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:04,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:04,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:04,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:04,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:04,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:04,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 06:38:04,485 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)] === [2024-11-27 06:38:04,485 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:38:04,485 INFO L139 ounterexampleChecker]: Examining path program with hash -862729480, occurence #5 [2024-11-27 06:38:04,485 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:38:04,485 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:38:04,485 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:04,485 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-27 06:38:04,486 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:04,486 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-27 06:38:04,486 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:04,486 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:38:04,486 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:04,486 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-27 06:38:04,486 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:04,486 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-27 06:38:04,486 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:04,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:38:04,487 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:04,487 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-27 06:38:04,487 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:04,487 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:38:04,487 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:38:04,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:38:04,488 INFO L85 PathProgramCache]: Analyzing trace with hash 325361774, now seen corresponding path program 1 times [2024-11-27 06:38:04,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:38:04,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800444434] [2024-11-27 06:38:04,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:38:04,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:38:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:38:04,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 06:38:04,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:38:04,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800444434] [2024-11-27 06:38:04,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800444434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:38:04,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:38:04,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:38:04,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89405163] [2024-11-27 06:38:04,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:38:04,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:38:04,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:38:04,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:38:04,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:38:04,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:04,723 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:38:04,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 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) [2024-11-27 06:38:04,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:04,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:04,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:04,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:04,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:04,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:04,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:04,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:04,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:04,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:04,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 06:38:04,834 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)] === [2024-11-27 06:38:04,834 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:38:04,834 INFO L139 ounterexampleChecker]: Examining path program with hash -862729480, occurence #6 [2024-11-27 06:38:04,835 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:38:04,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:38:04,835 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:04,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-27 06:38:04,835 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:04,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-27 06:38:04,835 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:04,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-27 06:38:04,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:04,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-27 06:38:04,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:04,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-27 06:38:04,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:04,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-27 06:38:04,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:04,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-27 06:38:04,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:04,837 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:38:04,837 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:38:04,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:38:04,838 INFO L85 PathProgramCache]: Analyzing trace with hash -2055110883, now seen corresponding path program 1 times [2024-11-27 06:38:04,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:38:04,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872323360] [2024-11-27 06:38:04,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:38:04,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:38:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:38:05,123 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-27 06:38:05,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:38:05,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872323360] [2024-11-27 06:38:05,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872323360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:38:05,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:38:05,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:38:05,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147880835] [2024-11-27 06:38:05,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:38:05,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:38:05,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:38:05,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:38:05,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:38:05,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:05,125 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:38:05,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:38:05,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:05,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:05,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:05,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:05,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:05,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:05,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:05,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 06:38:05,229 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)] === [2024-11-27 06:38:05,229 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:38:05,230 INFO L139 ounterexampleChecker]: Examining path program with hash -862729480, occurence #7 [2024-11-27 06:38:05,230 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:38:05,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:38:05,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:05,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-27 06:38:05,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:05,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-27 06:38:05,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:05,231 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:38:05,231 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:05,231 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-27 06:38:05,231 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:05,231 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:38:05,231 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:05,231 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-27 06:38:05,232 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:38:05,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-27 06:38:05,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:38:05,232 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:38:05,232 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:38:05,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:38:05,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1781849818, now seen corresponding path program 1 times [2024-11-27 06:38:05,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:38:05,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592296514] [2024-11-27 06:38:05,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:38:05,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:38:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:38:07,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:38:07,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:38:07,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592296514] [2024-11-27 06:38:07,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592296514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:38:07,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:38:07,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 06:38:07,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175437807] [2024-11-27 06:38:07,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:38:07,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 06:38:07,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:38:07,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 06:38:07,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 06:38:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:07,238 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:38:07,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:38:07,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:07,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:07,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:07,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:07,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:07,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:07,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:38:08,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:38:08,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:08,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:08,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:08,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:08,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:38:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:38:08,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-27 06:38:08,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-27 06:38:08,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-27 06:38:08,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-27 06:38:08,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 06:38:08,534 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-27 06:38:08,538 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 06:38:08,542 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 06:38:08,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-27 06:38:08,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 06:38:08 BasicIcfg [2024-11-27 06:38:08,558 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 06:38:08,558 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 06:38:08,558 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 06:38:08,558 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 06:38:08,559 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:37:59" (3/4) ... [2024-11-27 06:38:08,562 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 06:38:08,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-27 06:38:08,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-27 06:38:08,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-27 06:38:08,576 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 322 nodes and edges [2024-11-27 06:38:08,576 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2024-11-27 06:38:08,577 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-27 06:38:08,578 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 06:38:08,703 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/witness.graphml [2024-11-27 06:38:08,703 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/witness.yml [2024-11-27 06:38:08,704 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 06:38:08,705 INFO L158 Benchmark]: Toolchain (without parser) took 11518.07ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 119.2MB in the beginning and 302.0MB in the end (delta: -182.8MB). Peak memory consumption was 192.5MB. Max. memory is 16.1GB. [2024-11-27 06:38:08,705 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 06:38:08,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.80ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 105.3MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 06:38:08,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.20ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 102.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 06:38:08,706 INFO L158 Benchmark]: Boogie Preprocessor took 77.48ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 06:38:08,707 INFO L158 Benchmark]: RCFGBuilder took 1773.14ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 74.5MB in the end (delta: 25.6MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2024-11-27 06:38:08,707 INFO L158 Benchmark]: TraceAbstraction took 9020.74ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 73.7MB in the beginning and 309.7MB in the end (delta: -236.0MB). Peak memory consumption was 268.8MB. Max. memory is 16.1GB. [2024-11-27 06:38:08,707 INFO L158 Benchmark]: Witness Printer took 145.65ms. Allocated memory is still 520.1MB. Free memory was 309.7MB in the beginning and 302.0MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 06:38:08,709 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.80ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 105.3MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.20ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 102.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.48ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1773.14ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 74.5MB in the end (delta: 25.6MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9020.74ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 73.7MB in the beginning and 309.7MB in the end (delta: -236.0MB). Peak memory consumption was 268.8MB. Max. memory is 16.1GB. * Witness Printer took 145.65ms. Allocated memory is still 520.1MB. Free memory was 309.7MB in the beginning and 302.0MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. 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: 254, independent: 178, independent conditional: 68, independent unconditional: 110, dependent: 76, dependent conditional: 72, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 182, independent: 178, independent conditional: 68, independent unconditional: 110, 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: 182, independent: 178, independent conditional: 68, independent unconditional: 110, 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: 182, independent: 178, independent conditional: 68, independent unconditional: 110, 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: 182, independent: 178, independent conditional: 0, independent unconditional: 178, 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: 182, independent: 178, independent conditional: 0, independent unconditional: 178, 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: 115, independent: 111, independent conditional: 0, independent unconditional: 111, 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: 115, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 3, independent conditional: 0, independent unconditional: 3, 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: 7, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3192, independent: 2097, independent conditional: 0, independent unconditional: 2097, dependent: 1095, dependent conditional: 0, dependent unconditional: 1095, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 182, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 115, unknown conditional: 0, unknown unconditional: 115] , Statistics on independence cache: Total cache size (in pairs): 115, Positive cache size: 111, Positive conditional cache size: 0, Positive unconditional cache size: 111, 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: 68, Maximal queried relation: 0, Independence queries for same thread: 72, Persistent sets #1 benchmarks: Persistent set computation time: 2.7s, Number of persistent set computation: 30, Number of trivial persistent sets: 26, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 114, independent: 110, independent conditional: 0, independent unconditional: 110, 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: 254, independent: 178, independent conditional: 68, independent unconditional: 110, dependent: 76, dependent conditional: 72, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 182, independent: 178, independent conditional: 68, independent unconditional: 110, 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: 182, independent: 178, independent conditional: 68, independent unconditional: 110, 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: 182, independent: 178, independent conditional: 68, independent unconditional: 110, 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: 182, independent: 178, independent conditional: 0, independent unconditional: 178, 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: 182, independent: 178, independent conditional: 0, independent unconditional: 178, 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: 115, independent: 111, independent conditional: 0, independent unconditional: 111, 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: 115, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 3, independent conditional: 0, independent unconditional: 3, 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: 7, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3192, independent: 2097, independent conditional: 0, independent unconditional: 2097, dependent: 1095, dependent conditional: 0, dependent unconditional: 1095, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 182, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 115, unknown conditional: 0, unknown unconditional: 115] , Statistics on independence cache: Total cache size (in pairs): 115, Positive cache size: 111, Positive conditional cache size: 0, Positive unconditional cache size: 111, 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: 68, Maximal queried relation: 0, Independence queries for same thread: 72 - PositiveResult [Line: 109]: 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, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.7s, 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: 28, 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, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 161 ConstructedInterpolants, 0 QuantifiedInterpolants, 453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 21/21 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, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 485, ConditionCalculationTime [ms]: 0, ConditionCalculations: 24, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 06:38:08,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1b1b4b-7f56-4e95-a1bc-60c3cf687511/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE