./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-barrier-loop.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/parallel-barrier-loop.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --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 a690a19e2d41bbc14b3960c21812e80405a4291ef4154c7125f66fa1ebbf9c8f --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-17 12:20:10,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 12:20:10,789 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 12:20:10,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 12:20:10,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 12:20:10,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 12:20:10,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 12:20:10,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 12:20:10,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 12:20:10,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 12:20:10,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 12:20:10,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 12:20:10,827 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 12:20:10,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 12:20:10,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 12:20:10,828 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 12:20:10,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 12:20:10,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 12:20:10,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 12:20:10,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 12:20:10,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 12:20:10,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 12:20:10,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 12:20:10,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 12:20:10,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 12:20:10,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 12:20:10,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 12:20:10,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 12:20:10,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 12:20:10,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 12:20:10,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 12:20:10,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 12:20:10,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 12:20:10,834 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 12:20:10,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 12:20:10,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 12:20:10,835 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 12:20:10,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 12:20:10,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 12:20:10,836 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 12:20:10,836 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 12:20:10,840 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:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a690a19e2d41bbc14b3960c21812e80405a4291ef4154c7125f66fa1ebbf9c8f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-10-17 12:20:11,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 12:20:11,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 12:20:11,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 12:20:11,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 12:20:11,181 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 12:20:11,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-barrier-loop.wvr.c [2024-10-17 12:20:12,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 12:20:12,913 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 12:20:12,914 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier-loop.wvr.c [2024-10-17 12:20:12,927 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aa0f2af5d/d891457116844c8fa314e825f01a90f5/FLAG5ab8a3e3d [2024-10-17 12:20:13,271 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aa0f2af5d/d891457116844c8fa314e825f01a90f5 [2024-10-17 12:20:13,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 12:20:13,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 12:20:13,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 12:20:13,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 12:20:13,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 12:20:13,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 12:20:13" (1/1) ... [2024-10-17 12:20:13,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c22c2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:20:13, skipping insertion in model container [2024-10-17 12:20:13,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 12:20:13" (1/1) ... [2024-10-17 12:20:13,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 12:20:13,572 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier-loop.wvr.c[6016,6029] [2024-10-17 12:20:13,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 12:20:13,596 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 12:20:13,646 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier-loop.wvr.c[6016,6029] [2024-10-17 12:20:13,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 12:20:13,677 INFO L204 MainTranslator]: Completed translation [2024-10-17 12:20:13,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:20:13 WrapperNode [2024-10-17 12:20:13,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 12:20:13,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 12:20:13,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 12:20:13,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 12:20:13,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:20:13" (1/1) ... [2024-10-17 12:20:13,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:20:13" (1/1) ... [2024-10-17 12:20:13,723 INFO L138 Inliner]: procedures = 24, calls = 90, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 267 [2024-10-17 12:20:13,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 12:20:13,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 12:20:13,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 12:20:13,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 12:20:13,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:20:13" (1/1) ... [2024-10-17 12:20:13,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:20:13" (1/1) ... [2024-10-17 12:20:13,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:20:13" (1/1) ... [2024-10-17 12:20:13,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:20:13" (1/1) ... [2024-10-17 12:20:13,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:20:13" (1/1) ... [2024-10-17 12:20:13,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:20:13" (1/1) ... [2024-10-17 12:20:13,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:20:13" (1/1) ... [2024-10-17 12:20:13,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:20:13" (1/1) ... [2024-10-17 12:20:13,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 12:20:13,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 12:20:13,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 12:20:13,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 12:20:13,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:20:13" (1/1) ... [2024-10-17 12:20:13,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 12:20:13,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 12:20:13,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-17 12:20:13,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-17 12:20:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 12:20:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-17 12:20:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-17 12:20:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-17 12:20:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-17 12:20:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-17 12:20:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-17 12:20:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-17 12:20:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-17 12:20:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 12:20:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-10-17 12:20:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-10-17 12:20:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-10-17 12:20:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-10-17 12:20:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 12:20:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 12:20:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 12:20:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 12:20:13,905 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 12:20:14,055 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 12:20:14,058 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 12:20:14,565 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 12:20:14,566 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 12:20:14,870 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 12:20:14,871 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-17 12:20:14,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 12:20:14 BoogieIcfgContainer [2024-10-17 12:20:14,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 12:20:14,875 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 12:20:14,876 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 12:20:14,879 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 12:20:14,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 12:20:13" (1/3) ... [2024-10-17 12:20:14,880 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643f1cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 12:20:14, skipping insertion in model container [2024-10-17 12:20:14,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:20:13" (2/3) ... [2024-10-17 12:20:14,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643f1cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 12:20:14, skipping insertion in model container [2024-10-17 12:20:14,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 12:20:14" (3/3) ... [2024-10-17 12:20:14,884 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier-loop.wvr.c [2024-10-17 12:20:14,899 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 12:20:14,900 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 12:20:14,900 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 12:20:15,004 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-10-17 12:20:15,060 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 12:20:15,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 12:20:15,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 12:20:15,062 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-17 12:20:15,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-17 12:20:15,171 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 12:20:15,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 12:20:15,189 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork3 ======== [2024-10-17 12:20:15,195 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;@74bddc50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 12:20:15,195 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-17 12:20:17,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-10-17 12:20:17,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-10-17 12:20:17,849 INFO L414 BasicCegarLoop]: Path program histogram: [] [2024-10-17 12:20:17,854 INFO L312 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork3 was SAFE,SAFE (1/3) [2024-10-17 12:20:17,861 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 12:20:17,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 12:20:17,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 12:20:17,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-17 12:20:17,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-10-17 12:20:17,929 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 12:20:17,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 12:20:17,930 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2024-10-17 12:20:17,931 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;@74bddc50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 12:20:17,931 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-17 12:20:19,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-10-17 12:20:19,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-10-17 12:20:19,567 INFO L414 BasicCegarLoop]: Path program histogram: [] [2024-10-17 12:20:19,567 INFO L312 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork1 was SAFE,SAFE (2/3) [2024-10-17 12:20:19,571 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 12:20:19,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 12:20:19,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 12:20:19,574 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-17 12:20:19,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-10-17 12:20:19,628 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 12:20:19,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 12:20:19,629 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 12:20:19,631 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;@74bddc50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 12:20:19,631 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-17 12:20:20,864 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 12:20:20,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 12:20:20,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1944978665, now seen corresponding path program 1 times [2024-10-17 12:20:20,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 12:20:20,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155262491] [2024-10-17 12:20:20,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:20:20,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 12:20:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 12:20:21,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 12:20:21,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 12:20:21,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155262491] [2024-10-17 12:20:21,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155262491] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 12:20:21,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 12:20:21,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 12:20:21,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956446365] [2024-10-17 12:20:21,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 12:20:21,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-17 12:20:21,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 12:20:21,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-17 12:20:21,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-17 12:20:21,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:21,189 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 12:20:21,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 12:20:21,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:21,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:21,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 12:20:21,261 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 12:20:21,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 12:20:21,262 INFO L85 PathProgramCache]: Analyzing trace with hash 958813171, now seen corresponding path program 1 times [2024-10-17 12:20:21,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 12:20:21,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059060771] [2024-10-17 12:20:21,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:20:21,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 12:20:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 12:20:21,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 12:20:21,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 12:20:21,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059060771] [2024-10-17 12:20:21,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059060771] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 12:20:21,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 12:20:21,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 12:20:21,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896186214] [2024-10-17 12:20:21,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 12:20:21,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 12:20:21,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 12:20:21,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 12:20:21,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 12:20:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:21,642 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 12:20:21,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 12:20:21,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:21,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:21,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:21,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:21,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-17 12:20:21,769 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 12:20:21,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 12:20:21,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1611008582, now seen corresponding path program 1 times [2024-10-17 12:20:21,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 12:20:21,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602946166] [2024-10-17 12:20:21,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:20:21,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 12:20:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 12:20:21,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 12:20:21,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 12:20:21,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602946166] [2024-10-17 12:20:21,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602946166] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 12:20:21,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 12:20:21,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 12:20:21,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646379083] [2024-10-17 12:20:21,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 12:20:21,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 12:20:21,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 12:20:21,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 12:20:21,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 12:20:21,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:21,879 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 12:20:21,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-10-17 12:20:21,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:21,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:21,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:22,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:22,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:22,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:22,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-17 12:20:22,183 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 12:20:22,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 12:20:22,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1716215712, now seen corresponding path program 1 times [2024-10-17 12:20:22,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 12:20:22,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681575077] [2024-10-17 12:20:22,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:20:22,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 12:20:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 12:20:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 12:20:22,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 12:20:22,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681575077] [2024-10-17 12:20:22,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681575077] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 12:20:22,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 12:20:22,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 12:20:22,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173292557] [2024-10-17 12:20:22,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 12:20:22,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 12:20:22,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 12:20:22,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 12:20:22,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 12:20:22,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:22,288 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 12:20:22,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-10-17 12:20:22,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:22,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:22,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:22,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:22,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:22,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:22,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:22,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:22,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-17 12:20:22,520 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 12:20:22,577 INFO L85 PathProgramCache]: Analyzing trace with hash 786934203, now seen corresponding path program 1 times [2024-10-17 12:20:22,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:20:22,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 12:20:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 12:20:22,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 12:20:22,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:20:22,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 12:20:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 12:20:22,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 12:20:22,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 12:20:22,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 12:20:22,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 12:20:22,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:22,906 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 12:20:22,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-10-17 12:20:22,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:22,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:22,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:22,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:22,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:22,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 12:20:22,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5 [2024-10-17 12:20:22,999 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 12:20:23,022 INFO L85 PathProgramCache]: Analyzing trace with hash 282269534, now seen corresponding path program 1 times [2024-10-17 12:20:23,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:20:23,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 12:20:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 12:20:23,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 12:20:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 12:20:23,183 INFO L85 PathProgramCache]: Analyzing trace with hash -391402791, now seen corresponding path program 1 times [2024-10-17 12:20:23,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:20:23,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 12:20:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 12:20:23,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 12:20:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 12:20:23,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 12:20:23,300 INFO L85 PathProgramCache]: Analyzing trace with hash 595705129, now seen corresponding path program 1 times [2024-10-17 12:20:23,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 12:20:23,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425536479] [2024-10-17 12:20:23,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:20:23,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 12:20:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 12:20:23,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 12:20:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 12:20:23,454 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-17 12:20:23,455 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-17 12:20:23,456 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-17 12:20:23,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-10-17 12:20:23,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-10-17 12:20:23,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-10-17 12:20:23,459 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-17 12:20:23,461 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (3/3) [2024-10-17 12:20:23,598 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-17 12:20:23,598 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-17 12:20:23,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 12:20:23 BasicIcfg [2024-10-17 12:20:23,604 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-17 12:20:23,605 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-17 12:20:23,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-17 12:20:23,605 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-17 12:20:23,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 12:20:14" (3/4) ... [2024-10-17 12:20:23,607 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-17 12:20:23,720 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-17 12:20:23,721 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-17 12:20:23,721 INFO L158 Benchmark]: Toolchain (without parser) took 10445.73ms. Allocated memory was 167.8MB in the beginning and 268.4MB in the end (delta: 100.7MB). Free memory was 129.9MB in the beginning and 104.0MB in the end (delta: 25.9MB). Peak memory consumption was 125.2MB. Max. memory is 16.1GB. [2024-10-17 12:20:23,722 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 12:20:23,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.70ms. Allocated memory is still 167.8MB. Free memory was 129.9MB in the beginning and 116.0MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-17 12:20:23,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.92ms. Allocated memory is still 167.8MB. Free memory was 116.0MB in the beginning and 113.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-17 12:20:23,722 INFO L158 Benchmark]: Boogie Preprocessor took 33.45ms. Allocated memory is still 167.8MB. Free memory was 113.1MB in the beginning and 111.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 12:20:23,723 INFO L158 Benchmark]: RCFGBuilder took 1112.33ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 90.5MB in the end (delta: 21.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-17 12:20:23,723 INFO L158 Benchmark]: TraceAbstraction took 8729.15ms. Allocated memory was 167.8MB in the beginning and 268.4MB in the end (delta: 100.7MB). Free memory was 89.1MB in the beginning and 135.4MB in the end (delta: -46.3MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-10-17 12:20:23,723 INFO L158 Benchmark]: Witness Printer took 115.46ms. Allocated memory is still 268.4MB. Free memory was 135.4MB in the beginning and 104.0MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-17 12:20:23,724 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.70ms. Allocated memory is still 167.8MB. Free memory was 129.9MB in the beginning and 116.0MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.92ms. Allocated memory is still 167.8MB. Free memory was 116.0MB in the beginning and 113.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.45ms. Allocated memory is still 167.8MB. Free memory was 113.1MB in the beginning and 111.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1112.33ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 90.5MB in the end (delta: 21.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 8729.15ms. Allocated memory was 167.8MB in the beginning and 268.4MB in the end (delta: 100.7MB). Free memory was 89.1MB in the beginning and 135.4MB in the end (delta: -46.3MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * Witness Printer took 115.46ms. Allocated memory is still 268.4MB. Free memory was 135.4MB in the beginning and 104.0MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. 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: 11848, independent: 11200, independent conditional: 5669, independent unconditional: 5531, dependent: 648, dependent conditional: 596, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11267, independent: 11200, independent conditional: 5669, independent unconditional: 5531, dependent: 67, dependent conditional: 15, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11267, independent: 11200, independent conditional: 5669, independent unconditional: 5531, dependent: 67, dependent conditional: 15, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11267, independent: 11200, independent conditional: 5669, independent unconditional: 5531, dependent: 67, dependent conditional: 15, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11334, independent: 11200, independent conditional: 5669, independent unconditional: 5531, dependent: 134, dependent conditional: 30, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11334, independent: 11200, independent conditional: 0, independent unconditional: 11200, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11334, independent: 11200, independent conditional: 0, independent unconditional: 11200, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5323, independent: 5271, independent conditional: 0, independent unconditional: 5271, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5323, independent: 5262, independent conditional: 0, independent unconditional: 5262, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, independent: 303, independent conditional: 0, independent unconditional: 303, dependent: 1771, dependent conditional: 0, dependent unconditional: 1771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11334, independent: 5929, independent conditional: 0, independent unconditional: 5929, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 5323, unknown conditional: 0, unknown unconditional: 5323] , Statistics on independence cache: Total cache size (in pairs): 5323, Positive cache size: 5271, Positive conditional cache size: 0, Positive unconditional cache size: 5271, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5699, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11334, independent: 11200, independent conditional: 5669, independent unconditional: 5531, dependent: 134, dependent conditional: 30, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11334, independent: 11200, independent conditional: 0, independent unconditional: 11200, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11334, independent: 11200, independent conditional: 0, independent unconditional: 11200, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5323, independent: 5271, independent conditional: 0, independent unconditional: 5271, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5323, independent: 5262, independent conditional: 0, independent unconditional: 5262, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, independent: 303, independent conditional: 0, independent unconditional: 303, dependent: 1771, dependent conditional: 0, dependent unconditional: 1771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11334, independent: 5929, independent conditional: 0, independent unconditional: 5929, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 5323, unknown conditional: 0, unknown unconditional: 5323] , Statistics on independence cache: Total cache size (in pairs): 5323, Positive cache size: 5271, Positive conditional cache size: 0, Positive unconditional cache size: 5271, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5699 ], Independence queries for same thread: 581, Persistent sets #1 benchmarks: Persistent set computation time: 2.3s, Number of persistent set computation: 444, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5583, independent: 5531, independent conditional: 0, independent unconditional: 5531, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11848, independent: 11200, independent conditional: 5669, independent unconditional: 5531, dependent: 648, dependent conditional: 596, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11267, independent: 11200, independent conditional: 5669, independent unconditional: 5531, dependent: 67, dependent conditional: 15, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11267, independent: 11200, independent conditional: 5669, independent unconditional: 5531, dependent: 67, dependent conditional: 15, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11267, independent: 11200, independent conditional: 5669, independent unconditional: 5531, dependent: 67, dependent conditional: 15, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11334, independent: 11200, independent conditional: 5669, independent unconditional: 5531, dependent: 134, dependent conditional: 30, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11334, independent: 11200, independent conditional: 0, independent unconditional: 11200, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11334, independent: 11200, independent conditional: 0, independent unconditional: 11200, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5323, independent: 5271, independent conditional: 0, independent unconditional: 5271, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5323, independent: 5262, independent conditional: 0, independent unconditional: 5262, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, independent: 303, independent conditional: 0, independent unconditional: 303, dependent: 1771, dependent conditional: 0, dependent unconditional: 1771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11334, independent: 5929, independent conditional: 0, independent unconditional: 5929, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 5323, unknown conditional: 0, unknown unconditional: 5323] , Statistics on independence cache: Total cache size (in pairs): 5323, Positive cache size: 5271, Positive conditional cache size: 0, Positive unconditional cache size: 5271, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5699, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11334, independent: 11200, independent conditional: 5669, independent unconditional: 5531, dependent: 134, dependent conditional: 30, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11334, independent: 11200, independent conditional: 0, independent unconditional: 11200, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11334, independent: 11200, independent conditional: 0, independent unconditional: 11200, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5323, independent: 5271, independent conditional: 0, independent unconditional: 5271, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5323, independent: 5262, independent conditional: 0, independent unconditional: 5262, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, independent: 303, independent conditional: 0, independent unconditional: 303, dependent: 1771, dependent conditional: 0, dependent unconditional: 1771, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11334, independent: 5929, independent conditional: 0, independent unconditional: 5929, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 5323, unknown conditional: 0, unknown unconditional: 5323] , Statistics on independence cache: Total cache size (in pairs): 5323, Positive cache size: 5271, Positive conditional cache size: 0, Positive unconditional cache size: 5271, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5699 ], Independence queries for same thread: 581 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7338, independent: 7067, independent conditional: 1796, independent unconditional: 5271, dependent: 271, dependent conditional: 219, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7134, independent: 7067, independent conditional: 1796, independent unconditional: 5271, dependent: 67, dependent conditional: 15, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7134, independent: 7067, independent conditional: 1796, independent unconditional: 5271, dependent: 67, dependent conditional: 15, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7134, independent: 7067, independent conditional: 1796, independent unconditional: 5271, dependent: 67, dependent conditional: 15, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7201, independent: 7067, independent conditional: 1796, independent unconditional: 5271, dependent: 134, dependent conditional: 30, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7201, independent: 7067, independent conditional: 0, independent unconditional: 7067, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7201, independent: 7067, independent conditional: 0, independent unconditional: 7067, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5163, independent: 5111, independent conditional: 0, independent unconditional: 5111, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5163, independent: 5102, independent conditional: 0, independent unconditional: 5102, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1522, independent: 184, independent conditional: 0, independent unconditional: 184, dependent: 1338, dependent conditional: 0, dependent unconditional: 1338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7201, independent: 1956, independent conditional: 0, independent unconditional: 1956, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 5163, unknown conditional: 0, unknown unconditional: 5163] , Statistics on independence cache: Total cache size (in pairs): 5163, Positive cache size: 5111, Positive conditional cache size: 0, Positive unconditional cache size: 5111, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1826, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7201, independent: 7067, independent conditional: 1796, independent unconditional: 5271, dependent: 134, dependent conditional: 30, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7201, independent: 7067, independent conditional: 0, independent unconditional: 7067, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7201, independent: 7067, independent conditional: 0, independent unconditional: 7067, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5163, independent: 5111, independent conditional: 0, independent unconditional: 5111, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5163, independent: 5102, independent conditional: 0, independent unconditional: 5102, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1522, independent: 184, independent conditional: 0, independent unconditional: 184, dependent: 1338, dependent conditional: 0, dependent unconditional: 1338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7201, independent: 1956, independent conditional: 0, independent unconditional: 1956, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 5163, unknown conditional: 0, unknown unconditional: 5163] , Statistics on independence cache: Total cache size (in pairs): 5163, Positive cache size: 5111, Positive conditional cache size: 0, Positive unconditional cache size: 5111, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1826 ], Independence queries for same thread: 204, Persistent sets #1 benchmarks: Persistent set computation time: 1.6s, Number of persistent set computation: 141, Number of trivial persistent sets: 6, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5323, independent: 5271, independent conditional: 0, independent unconditional: 5271, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7338, independent: 7067, independent conditional: 1796, independent unconditional: 5271, dependent: 271, dependent conditional: 219, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7134, independent: 7067, independent conditional: 1796, independent unconditional: 5271, dependent: 67, dependent conditional: 15, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7134, independent: 7067, independent conditional: 1796, independent unconditional: 5271, dependent: 67, dependent conditional: 15, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7134, independent: 7067, independent conditional: 1796, independent unconditional: 5271, dependent: 67, dependent conditional: 15, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7201, independent: 7067, independent conditional: 1796, independent unconditional: 5271, dependent: 134, dependent conditional: 30, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7201, independent: 7067, independent conditional: 0, independent unconditional: 7067, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7201, independent: 7067, independent conditional: 0, independent unconditional: 7067, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5163, independent: 5111, independent conditional: 0, independent unconditional: 5111, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5163, independent: 5102, independent conditional: 0, independent unconditional: 5102, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1522, independent: 184, independent conditional: 0, independent unconditional: 184, dependent: 1338, dependent conditional: 0, dependent unconditional: 1338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7201, independent: 1956, independent conditional: 0, independent unconditional: 1956, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 5163, unknown conditional: 0, unknown unconditional: 5163] , Statistics on independence cache: Total cache size (in pairs): 5163, Positive cache size: 5111, Positive conditional cache size: 0, Positive unconditional cache size: 5111, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1826, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7201, independent: 7067, independent conditional: 1796, independent unconditional: 5271, dependent: 134, dependent conditional: 30, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7201, independent: 7067, independent conditional: 0, independent unconditional: 7067, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7201, independent: 7067, independent conditional: 0, independent unconditional: 7067, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5163, independent: 5111, independent conditional: 0, independent unconditional: 5111, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5163, independent: 5102, independent conditional: 0, independent unconditional: 5102, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1522, independent: 184, independent conditional: 0, independent unconditional: 184, dependent: 1338, dependent conditional: 0, dependent unconditional: 1338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7201, independent: 1956, independent conditional: 0, independent unconditional: 1956, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 5163, unknown conditional: 0, unknown unconditional: 5163] , Statistics on independence cache: Total cache size (in pairs): 5163, Positive cache size: 5111, Positive conditional cache size: 0, Positive unconditional cache size: 5111, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1826 ], Independence queries for same thread: 204 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8797, independent: 8235, independent conditional: 1620, independent unconditional: 6615, dependent: 562, dependent conditional: 508, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8306, independent: 8235, independent conditional: 1620, independent unconditional: 6615, dependent: 71, dependent conditional: 25, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8306, independent: 8235, independent conditional: 1620, independent unconditional: 6615, dependent: 71, dependent conditional: 25, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8306, independent: 8235, independent conditional: 1620, independent unconditional: 6615, dependent: 71, dependent conditional: 25, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8401, independent: 8235, independent conditional: 1620, independent unconditional: 6615, dependent: 166, dependent conditional: 74, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8401, independent: 8235, independent conditional: 0, independent unconditional: 8235, dependent: 166, dependent conditional: 18, dependent unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8401, independent: 8235, independent conditional: 0, independent unconditional: 8235, dependent: 166, dependent conditional: 18, dependent unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6293, independent: 6238, independent conditional: 0, independent unconditional: 6238, dependent: 55, dependent conditional: 9, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6293, independent: 6225, independent conditional: 0, independent unconditional: 6225, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 68, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 55, dependent conditional: 9, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 55, dependent conditional: 9, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1454, independent: 237, independent conditional: 0, independent unconditional: 237, dependent: 1216, dependent conditional: 54, dependent unconditional: 1162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8401, independent: 1997, independent conditional: 0, independent unconditional: 1997, dependent: 111, dependent conditional: 9, dependent unconditional: 102, unknown: 6293, unknown conditional: 9, unknown unconditional: 6284] , Statistics on independence cache: Total cache size (in pairs): 6293, Positive cache size: 6238, Positive conditional cache size: 0, Positive unconditional cache size: 6238, Negative cache size: 55, Negative conditional cache size: 9, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1676, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8401, independent: 8235, independent conditional: 1620, independent unconditional: 6615, dependent: 166, dependent conditional: 74, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8401, independent: 8235, independent conditional: 0, independent unconditional: 8235, dependent: 166, dependent conditional: 18, dependent unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8401, independent: 8235, independent conditional: 0, independent unconditional: 8235, dependent: 166, dependent conditional: 18, dependent unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6293, independent: 6238, independent conditional: 0, independent unconditional: 6238, dependent: 55, dependent conditional: 9, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6293, independent: 6225, independent conditional: 0, independent unconditional: 6225, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 68, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 55, dependent conditional: 9, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 55, dependent conditional: 9, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1454, independent: 237, independent conditional: 0, independent unconditional: 237, dependent: 1216, dependent conditional: 54, dependent unconditional: 1162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8401, independent: 1997, independent conditional: 0, independent unconditional: 1997, dependent: 111, dependent conditional: 9, dependent unconditional: 102, unknown: 6293, unknown conditional: 9, unknown unconditional: 6284] , Statistics on independence cache: Total cache size (in pairs): 6293, Positive cache size: 6238, Positive conditional cache size: 0, Positive unconditional cache size: 6238, Negative cache size: 55, Negative conditional cache size: 9, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1676 ], Independence queries for same thread: 491, Persistent sets #1 benchmarks: Persistent set computation time: 1.5s, Number of persistent set computation: 136, Number of trivial persistent sets: 130, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6661, independent: 6615, independent conditional: 0, independent unconditional: 6615, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8797, independent: 8235, independent conditional: 1620, independent unconditional: 6615, dependent: 562, dependent conditional: 508, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8306, independent: 8235, independent conditional: 1620, independent unconditional: 6615, dependent: 71, dependent conditional: 25, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8306, independent: 8235, independent conditional: 1620, independent unconditional: 6615, dependent: 71, dependent conditional: 25, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8306, independent: 8235, independent conditional: 1620, independent unconditional: 6615, dependent: 71, dependent conditional: 25, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8401, independent: 8235, independent conditional: 1620, independent unconditional: 6615, dependent: 166, dependent conditional: 74, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8401, independent: 8235, independent conditional: 0, independent unconditional: 8235, dependent: 166, dependent conditional: 18, dependent unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8401, independent: 8235, independent conditional: 0, independent unconditional: 8235, dependent: 166, dependent conditional: 18, dependent unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6293, independent: 6238, independent conditional: 0, independent unconditional: 6238, dependent: 55, dependent conditional: 9, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6293, independent: 6225, independent conditional: 0, independent unconditional: 6225, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 68, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 55, dependent conditional: 9, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 55, dependent conditional: 9, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1454, independent: 237, independent conditional: 0, independent unconditional: 237, dependent: 1216, dependent conditional: 54, dependent unconditional: 1162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8401, independent: 1997, independent conditional: 0, independent unconditional: 1997, dependent: 111, dependent conditional: 9, dependent unconditional: 102, unknown: 6293, unknown conditional: 9, unknown unconditional: 6284] , Statistics on independence cache: Total cache size (in pairs): 6293, Positive cache size: 6238, Positive conditional cache size: 0, Positive unconditional cache size: 6238, Negative cache size: 55, Negative conditional cache size: 9, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1676, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8401, independent: 8235, independent conditional: 1620, independent unconditional: 6615, dependent: 166, dependent conditional: 74, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8401, independent: 8235, independent conditional: 0, independent unconditional: 8235, dependent: 166, dependent conditional: 18, dependent unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8401, independent: 8235, independent conditional: 0, independent unconditional: 8235, dependent: 166, dependent conditional: 18, dependent unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6293, independent: 6238, independent conditional: 0, independent unconditional: 6238, dependent: 55, dependent conditional: 9, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6293, independent: 6225, independent conditional: 0, independent unconditional: 6225, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 68, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 55, dependent conditional: 9, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 55, dependent conditional: 9, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1454, independent: 237, independent conditional: 0, independent unconditional: 237, dependent: 1216, dependent conditional: 54, dependent unconditional: 1162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8401, independent: 1997, independent conditional: 0, independent unconditional: 1997, dependent: 111, dependent conditional: 9, dependent unconditional: 102, unknown: 6293, unknown conditional: 9, unknown unconditional: 6284] , Statistics on independence cache: Total cache size (in pairs): 6293, Positive cache size: 6238, Positive conditional cache size: 0, Positive unconditional cache size: 6238, Negative cache size: 55, Negative conditional cache size: 9, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1676 ], Independence queries for same thread: 491 - CounterExampleResult [Line: 241]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L38] 0 unsigned int x_0, y_1, x_8, y_9; [L39] 0 _Bool f1_2, f2_3, f1_10, f2_11; [L40] 0 unsigned int temp_4, temp_5, temp_6, temp_7, temp_12, temp_13, temp_14, temp_15; [L212] 0 pthread_t t1, t4; [L215] 0 x_0 = __VERIFIER_nondet_uint() [L216] 0 y_1 = __VERIFIER_nondet_uint() [L217] 0 x_8 = __VERIFIER_nondet_uint() [L218] 0 y_9 = __VERIFIER_nondet_uint() [L219] 0 temp_4 = __VERIFIER_nondet_uint() [L220] 0 temp_5 = __VERIFIER_nondet_uint() [L221] 0 temp_6 = __VERIFIER_nondet_uint() [L222] 0 temp_7 = __VERIFIER_nondet_uint() [L223] 0 temp_12 = __VERIFIER_nondet_uint() [L224] 0 temp_13 = __VERIFIER_nondet_uint() [L225] 0 temp_14 = __VERIFIER_nondet_uint() [L226] 0 temp_15 = __VERIFIER_nondet_uint() [L227] 0 f1_2 = __VERIFIER_nondet_bool() [L228] 0 f2_3 = __VERIFIER_nondet_bool() [L229] 0 f1_10 = __VERIFIER_nondet_bool() [L230] 0 f2_11 = __VERIFIER_nondet_bool() [L233] CALL 0 assume_abort_if_not( ( x_0 == x_8 ) && ( y_1 == y_9 ) ) [L35] COND FALSE 0 !(!cond) [L233] RET 0 assume_abort_if_not( ( x_0 == x_8 ) && ( y_1 == y_9 ) ) [L235] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [\old(_argptr)={0:0}, f1_10=0, f1_2=0, f2_11=1, f2_3=1, t1=3, x_0=4294967295, x_8=-1, y_1=0, y_9=0] [L112] 1 pthread_t t2, t3; VAL [\old(_argptr)={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=1, f2_3=1, x_0=4294967295, x_8=-1, y_1=0, y_9=0] [L115] 1 f1_2 = 0 [L116] 1 f2_3 = 0 VAL [\old(_argptr)={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=1, f2_3=0, x_0=4294967295, x_8=-1, y_1=0, y_9=0] [L119] FCALL, FORK 1 pthread_create(&t2, 0, thread2, 0) VAL [\old(_argptr)={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=1, f2_3=0, t2=4, x_0=4294967295, x_8=-1, y_1=0, y_9=0] [L120] FCALL, FORK 1 pthread_create(&t3, 0, thread3, 0) VAL [\old(_argptr)={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=1, f2_3=0, t2=4, t3=5, x_0=4294967295, x_8=-1, y_1=0, y_9=0] [L236] FCALL, FORK 0 pthread_create(&t4, 0, thread4, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=1, f2_3=0, t1=3, t2=4, t3=5, t4=6, x_0=4294967295, x_8=-1, y_1=0, y_9=0] [L196] 4 pthread_t t5, t6; VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=1, f2_3=0, t2=4, t3=5, x_0=4294967295, x_8=-1, y_1=0, y_9=0] [L199] 4 f1_10 = 0 [L200] 4 f2_11 = 0 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=4, t3=5, x_0=4294967295, x_8=-1, y_1=0, y_9=0] [L203] FCALL, FORK 4 pthread_create(&t5, 0, thread5, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=4, t3=5, t5=7, x_0=4294967295, x_8=-1, y_1=0, y_9=0] [L204] FCALL, FORK 4 pthread_create(&t6, 0, thread6, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=4, t3=5, t5=7, t6=8, x_0=4294967295, x_8=-1, y_1=0, y_9=0] [L44] COND FALSE 2 !(__VERIFIER_nondet_bool()) [L74] 2 return 0; [L121] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=4, t3=5, t5=7, t6=8, x_0=4294967295, x_8=-1, y_1=0, y_9=0] [L78] COND FALSE 3 !(__VERIFIER_nondet_bool()) [L108] 3 return 0; [L122] FCALL, JOIN 3 pthread_join(t3, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=4, t3=5, t5=7, t6=8, x_0=4294967295, x_8=-1, y_1=0, y_9=0] [L124] 1 return 0; [L237] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1=3, t2=4, t3=5, t4=6, t5=7, t6=8, x_0=4294967295, x_8=-1, y_1=0, y_9=0] [L128] COND TRUE 5 __VERIFIER_nondet_bool() [L130] 5 temp_12 = x_8 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=4, t3=5, t5=7, t6=8, temp_12=-1, x_0=4294967295, x_8=-1, y_1=0, y_9=0] [L133] 5 x_8 = temp_12 + 1 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=4, t3=5, t5=7, t6=8, temp_12=-1, x_0=4294967295, x_8=0, y_1=0, y_9=0] [L137] 5 f1_10 = 1 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=1, f1_2=0, f2_11=0, f2_3=0, t2=4, t3=5, t5=7, t6=8, temp_12=-1, x_0=4294967295, x_8=0, y_1=0, y_9=0] [L162] COND TRUE 6 __VERIFIER_nondet_bool() [L164] 6 temp_14 = y_9 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=1, f1_2=0, f2_11=0, f2_3=0, t2=4, t3=5, t5=7, t6=8, temp_12=-1, temp_14=0, x_0=4294967295, x_8=0, y_1=0, y_9=0] [L167] 6 y_9 = temp_14 + 1 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=1, f1_2=0, f2_11=0, f2_3=0, t2=4, t3=5, t5=7, t6=8, temp_12=-1, temp_14=0, x_0=4294967295, x_8=0, y_1=0, y_9=1] [L171] 6 f2_11 = 1 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=1, f1_2=0, f2_11=1, f2_3=0, t2=4, t3=5, t5=7, t6=8, temp_12=-1, temp_14=0, x_0=4294967295, x_8=0, y_1=0, y_9=1] [L140] CALL 5 assume_abort_if_not(f2_11) [L35] COND FALSE 5 !(!cond) [L140] RET 5 assume_abort_if_not(f2_11) [L144] 5 temp_13 = y_9 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=1, f1_2=0, f2_11=1, f2_3=0, t2=4, t3=5, t5=7, t6=8, temp_12=-1, temp_13=1, temp_14=0, x_0=4294967295, x_8=0, y_1=0, y_9=1] [L147] 5 y_9 = temp_13 + 1 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=1, f1_2=0, f2_11=1, f2_3=0, t2=4, t3=5, t5=7, t6=8, temp_12=-1, temp_13=1, temp_14=0, x_0=4294967295, x_8=0, y_1=0, y_9=2] [L174] CALL 6 assume_abort_if_not(f1_10) [L35] COND FALSE 6 !(!cond) [L174] RET 6 assume_abort_if_not(f1_10) [L151] 5 f1_10 = 0 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=1, f2_3=0, t2=4, t3=5, t5=7, t6=8, temp_12=-1, temp_13=1, temp_14=0, x_0=4294967295, x_8=0, y_1=0, y_9=2] [L178] 6 temp_15 = x_8 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=1, f2_3=0, t2=4, t3=5, t5=7, t6=8, temp_12=-1, temp_13=1, temp_14=0, temp_15=0, x_0=4294967295, x_8=0, y_1=0, y_9=2] [L181] 6 x_8 = temp_15 + 1 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=1, f2_3=0, t2=4, t3=5, t5=7, t6=8, temp_12=-1, temp_13=1, temp_14=0, temp_15=0, x_0=4294967295, x_8=1, y_1=0, y_9=2] [L185] 6 f2_11 = 0 VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=4, t3=5, t5=7, t6=8, temp_12=-1, temp_13=1, temp_14=0, temp_15=0, x_0=4294967295, x_8=1, y_1=0, y_9=2] [L154] CALL 5 assume_abort_if_not(!f2_11) [L35] COND FALSE 5 !(!cond) [L154] RET 5 assume_abort_if_not(!f2_11) [L188] CALL 6 assume_abort_if_not(!f1_10) [L35] COND FALSE 6 !(!cond) [L188] RET 6 assume_abort_if_not(!f1_10) [L128] COND FALSE 5 !(__VERIFIER_nondet_bool()) [L158] 5 return 0; [L205] FCALL, JOIN 5 pthread_join(t5, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=4, t3=5, t5=7, t6=8, temp_12=-1, temp_13=1, temp_14=0, temp_15=0, x_0=4294967295, x_8=1, y_1=0, y_9=2] [L162] COND FALSE 6 !(__VERIFIER_nondet_bool()) [L192] 6 return 0; [L206] FCALL, JOIN 6 pthread_join(t6, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t2=4, t3=5, t5=7, t6=8, temp_12=-1, temp_13=1, temp_14=0, temp_15=0, x_0=4294967295, x_8=1, y_1=0, y_9=2] [L208] 4 return 0; [L238] FCALL, JOIN 4 pthread_join(t4, 0) VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1=3, t2=4, t3=5, t4=6, t5=7, t6=8, temp_12=-1, temp_13=1, temp_14=0, temp_15=0, x_0=4294967295, x_8=1, y_1=0, y_9=2] [L240] CALL 0 assume_abort_if_not( !( ( x_0 == x_8 ) && ( y_1 == y_9 ) ) ) [L35] COND FALSE 0 !(!cond) [L240] RET 0 assume_abort_if_not( !( ( x_0 == x_8 ) && ( y_1 == y_9 ) ) ) [L241] 0 reach_error() VAL [\old(_argptr)={0:0}, \old(_argptr)={0:0}, \result={0:0}, \result={0:0}, _argptr={0:0}, _argptr={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1=3, t2=4, t3=5, t4=6, t5=7, t6=8, temp_12=-1, temp_13=1, temp_14=0, temp_15=0, x_0=4294967295, x_8=1, y_1=0, y_9=2] - UnprovableResult [Line: 236]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 235]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread4Thread1of1ForFork3 with 1 thread instances CFG has 13 procedures, 169 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 2.6s, 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: 0, 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: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork1 with 1 thread instances CFG has 13 procedures, 169 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 1.6s, 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: 0, 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: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 169 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.1s, 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: 14, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 1538 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 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: ConditionalCommutativityOverallTime: 0.7s, ConditionalCommutativityCheckTime: 0.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 1, ConditionalCommutativityConditionCalculations: 4, ConditionalCommutativityTraceChecks: 3, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate proved your program to be incorrect! [2024-10-17 12:20:23,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2024-10-17 12:20:23,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-10-17 12:20:24,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-10-17 12:20:24,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE