./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:24:33,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:24:33,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:24:33,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:24:33,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:24:33,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:24:33,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:24:33,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:24:33,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:24:33,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:24:33,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:24:33,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:24:33,679 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:24:33,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:24:33,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:24:33,682 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:24:33,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:24:33,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:24:33,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:24:33,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:24:33,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:24:33,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:24:33,686 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:24:33,686 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:24:33,687 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:24:33,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:24:33,687 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:24:33,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:24:33,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:24:33,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:24:33,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:24:33,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:24:33,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:24:33,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:24:33,692 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:24:33,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:24:33,692 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:24:33,693 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:24:33,693 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:24:33,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:24:33,693 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:24:33,694 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d [2023-11-12 02:24:34,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:24:34,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:24:34,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:24:34,117 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:24:34,118 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:24:34,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2023-11-12 02:24:37,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:24:37,955 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:24:37,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2023-11-12 02:24:37,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/data/c333c828e/d074ac57b78243f58170b9d1177b29aa/FLAGacf464e66 [2023-11-12 02:24:37,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/data/c333c828e/d074ac57b78243f58170b9d1177b29aa [2023-11-12 02:24:37,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:24:37,998 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:24:38,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:24:38,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:24:38,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:24:38,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:24:37" (1/1) ... [2023-11-12 02:24:38,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a522fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38, skipping insertion in model container [2023-11-12 02:24:38,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:24:37" (1/1) ... [2023-11-12 02:24:38,055 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:24:38,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:24:38,367 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:24:38,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:24:38,422 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:24:38,423 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:24:38,431 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:24:38,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38 WrapperNode [2023-11-12 02:24:38,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:24:38,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:24:38,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:24:38,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:24:38,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38" (1/1) ... [2023-11-12 02:24:38,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38" (1/1) ... [2023-11-12 02:24:38,551 INFO L138 Inliner]: procedures = 25, calls = 56, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 493 [2023-11-12 02:24:38,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:24:38,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:24:38,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:24:38,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:24:38,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38" (1/1) ... [2023-11-12 02:24:38,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38" (1/1) ... [2023-11-12 02:24:38,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38" (1/1) ... [2023-11-12 02:24:38,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38" (1/1) ... [2023-11-12 02:24:38,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38" (1/1) ... [2023-11-12 02:24:38,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38" (1/1) ... [2023-11-12 02:24:38,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38" (1/1) ... [2023-11-12 02:24:38,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38" (1/1) ... [2023-11-12 02:24:38,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:24:38,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:24:38,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:24:38,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:24:38,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38" (1/1) ... [2023-11-12 02:24:38,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:24:38,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:24:38,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:24:38,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:24:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:24:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:24:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:24:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:24:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 02:24:38,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 02:24:38,732 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 02:24:38,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 02:24:38,732 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 02:24:38,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 02:24:38,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:24:38,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:24:38,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:24:38,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:24:38,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:24:38,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:24:38,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:24:38,736 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:24:38,883 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:24:38,885 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:24:40,022 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:24:40,715 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:24:40,716 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-12 02:24:40,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:24:40 BoogieIcfgContainer [2023-11-12 02:24:40,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:24:40,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:24:40,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:24:40,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:24:40,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:24:37" (1/3) ... [2023-11-12 02:24:40,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2de16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:24:40, skipping insertion in model container [2023-11-12 02:24:40,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:38" (2/3) ... [2023-11-12 02:24:40,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2de16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:24:40, skipping insertion in model container [2023-11-12 02:24:40,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:24:40" (3/3) ... [2023-11-12 02:24:40,738 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-horseshoe.wvr.c [2023-11-12 02:24:40,749 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:24:40,762 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:24:40,763 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2023-11-12 02:24:40,763 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:24:40,981 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-12 02:24:41,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 377 places, 385 transitions, 791 flow [2023-11-12 02:24:41,337 INFO L124 PetriNetUnfolderBase]: 18/382 cut-off events. [2023-11-12 02:24:41,338 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:24:41,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 382 events. 18/382 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 555 event pairs, 0 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 299. Up to 3 conditions per place. [2023-11-12 02:24:41,352 INFO L82 GeneralOperation]: Start removeDead. Operand has 377 places, 385 transitions, 791 flow [2023-11-12 02:24:41,368 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 352 places, 359 transitions, 736 flow [2023-11-12 02:24:41,383 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:24:41,403 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 352 places, 359 transitions, 736 flow [2023-11-12 02:24:41,411 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 352 places, 359 transitions, 736 flow [2023-11-12 02:24:41,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 352 places, 359 transitions, 736 flow [2023-11-12 02:24:41,567 INFO L124 PetriNetUnfolderBase]: 17/359 cut-off events. [2023-11-12 02:24:41,567 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:24:41,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 359 events. 17/359 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 550 event pairs, 0 based on Foata normal form. 0/273 useless extension candidates. Maximal degree in co-relation 299. Up to 3 conditions per place. [2023-11-12 02:24:41,582 INFO L119 LiptonReduction]: Number of co-enabled transitions 11226 [2023-11-12 02:25:00,027 INFO L134 LiptonReduction]: Checked pairs total: 39985 [2023-11-12 02:25:00,027 INFO L136 LiptonReduction]: Total number of compositions: 402 [2023-11-12 02:25:00,053 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:25:00,087 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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;@4744a64f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:25:00,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 122 error locations. [2023-11-12 02:25:00,089 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:25:00,089 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-12 02:25:00,089 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:25:00,090 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:25:00,090 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-12 02:25:00,091 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-12 02:25:00,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:00,097 INFO L85 PathProgramCache]: Analyzing trace with hash 2027, now seen corresponding path program 1 times [2023-11-12 02:25:00,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:00,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000829654] [2023-11-12 02:25:00,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:00,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:00,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:00,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000829654] [2023-11-12 02:25:00,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000829654] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:00,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:00,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-12 02:25:00,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140917703] [2023-11-12 02:25:00,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:00,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:25:00,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:00,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:25:00,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:25:00,356 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 787 [2023-11-12 02:25:00,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 109 transitions, 236 flow. Second operand has 2 states, 2 states have (on average 316.5) internal successors, (633), 2 states have internal predecessors, (633), 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) [2023-11-12 02:25:00,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:25:00,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 787 [2023-11-12 02:25:00,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:25:00,600 INFO L124 PetriNetUnfolderBase]: 291/562 cut-off events. [2023-11-12 02:25:00,601 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES. [2023-11-12 02:25:00,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1042 conditions, 562 events. 291/562 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2027 event pairs, 191 based on Foata normal form. 1/428 useless extension candidates. Maximal degree in co-relation 762. Up to 428 conditions per place. [2023-11-12 02:25:00,611 INFO L140 encePairwiseOnDemand]: 719/787 looper letters, 25 selfloop transitions, 0 changer transitions 1/41 dead transitions. [2023-11-12 02:25:00,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 41 transitions, 152 flow [2023-11-12 02:25:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:25:00,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-12 02:25:00,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 726 transitions. [2023-11-12 02:25:00,640 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46124523506988563 [2023-11-12 02:25:00,641 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 726 transitions. [2023-11-12 02:25:00,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 726 transitions. [2023-11-12 02:25:00,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:25:00,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 726 transitions. [2023-11-12 02:25:00,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 363.0) internal successors, (726), 2 states have internal predecessors, (726), 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) [2023-11-12 02:25:00,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 787.0) internal successors, (2361), 3 states have internal predecessors, (2361), 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) [2023-11-12 02:25:00,672 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 787.0) internal successors, (2361), 3 states have internal predecessors, (2361), 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) [2023-11-12 02:25:00,674 INFO L175 Difference]: Start difference. First operand has 113 places, 109 transitions, 236 flow. Second operand 2 states and 726 transitions. [2023-11-12 02:25:00,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 41 transitions, 152 flow [2023-11-12 02:25:00,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 41 transitions, 140 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-12 02:25:00,685 INFO L231 Difference]: Finished difference. Result has 41 places, 40 transitions, 85 flow [2023-11-12 02:25:00,688 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=787, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=85, PETRI_PLACES=41, PETRI_TRANSITIONS=40} [2023-11-12 02:25:00,693 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -72 predicate places. [2023-11-12 02:25:00,694 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 40 transitions, 85 flow [2023-11-12 02:25:00,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 316.5) internal successors, (633), 2 states have internal predecessors, (633), 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) [2023-11-12 02:25:00,695 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:25:00,696 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:00,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:25:00,697 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-12 02:25:00,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:00,708 INFO L85 PathProgramCache]: Analyzing trace with hash 311189641, now seen corresponding path program 1 times [2023-11-12 02:25:00,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:00,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952829771] [2023-11-12 02:25:00,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:00,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:01,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:01,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:01,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952829771] [2023-11-12 02:25:01,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952829771] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:01,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:01,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:25:01,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293259781] [2023-11-12 02:25:01,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:01,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:25:01,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:01,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:25:01,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:25:02,013 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 787 [2023-11-12 02:25:02,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 40 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 300.1666666666667) internal successors, (1801), 6 states have internal predecessors, (1801), 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) [2023-11-12 02:25:02,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:25:02,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 787 [2023-11-12 02:25:02,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:25:02,671 INFO L124 PetriNetUnfolderBase]: 723/1077 cut-off events. [2023-11-12 02:25:02,671 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:25:02,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2098 conditions, 1077 events. 723/1077 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3345 event pairs, 78 based on Foata normal form. 0/830 useless extension candidates. Maximal degree in co-relation 2095. Up to 372 conditions per place. [2023-11-12 02:25:02,681 INFO L140 encePairwiseOnDemand]: 782/787 looper letters, 65 selfloop transitions, 4 changer transitions 0/79 dead transitions. [2023-11-12 02:25:02,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 79 transitions, 301 flow [2023-11-12 02:25:02,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:25:02,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:25:02,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1858 transitions. [2023-11-12 02:25:02,691 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3934773401101228 [2023-11-12 02:25:02,692 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1858 transitions. [2023-11-12 02:25:02,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1858 transitions. [2023-11-12 02:25:02,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:25:02,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1858 transitions. [2023-11-12 02:25:02,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 309.6666666666667) internal successors, (1858), 6 states have internal predecessors, (1858), 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) [2023-11-12 02:25:02,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 787.0) internal successors, (5509), 7 states have internal predecessors, (5509), 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) [2023-11-12 02:25:02,726 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 787.0) internal successors, (5509), 7 states have internal predecessors, (5509), 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) [2023-11-12 02:25:02,727 INFO L175 Difference]: Start difference. First operand has 41 places, 40 transitions, 85 flow. Second operand 6 states and 1858 transitions. [2023-11-12 02:25:02,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 79 transitions, 301 flow [2023-11-12 02:25:02,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 79 transitions, 301 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:25:02,732 INFO L231 Difference]: Finished difference. Result has 44 places, 39 transitions, 91 flow [2023-11-12 02:25:02,739 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=787, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=91, PETRI_PLACES=44, PETRI_TRANSITIONS=39} [2023-11-12 02:25:02,740 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -69 predicate places. [2023-11-12 02:25:02,741 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 39 transitions, 91 flow [2023-11-12 02:25:02,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.1666666666667) internal successors, (1801), 6 states have internal predecessors, (1801), 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) [2023-11-12 02:25:02,743 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:25:02,743 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:02,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:25:02,744 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-12 02:25:02,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:02,748 INFO L85 PathProgramCache]: Analyzing trace with hash -422998947, now seen corresponding path program 1 times [2023-11-12 02:25:02,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:02,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39104164] [2023-11-12 02:25:02,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:02,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:02,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:02,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:02,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39104164] [2023-11-12 02:25:02,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39104164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:02,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:02,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:25:02,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808079916] [2023-11-12 02:25:02,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:02,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:25:02,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:02,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:25:02,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:25:03,140 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 787 [2023-11-12 02:25:03,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 39 transitions, 91 flow. Second operand has 4 states, 4 states have (on average 305.25) internal successors, (1221), 4 states have internal predecessors, (1221), 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) [2023-11-12 02:25:03,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:25:03,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 787 [2023-11-12 02:25:03,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:25:03,388 INFO L124 PetriNetUnfolderBase]: 339/652 cut-off events. [2023-11-12 02:25:03,388 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2023-11-12 02:25:03,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1288 conditions, 652 events. 339/652 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2438 event pairs, 230 based on Foata normal form. 34/553 useless extension candidates. Maximal degree in co-relation 1284. Up to 427 conditions per place. [2023-11-12 02:25:03,393 INFO L140 encePairwiseOnDemand]: 781/787 looper letters, 24 selfloop transitions, 2 changer transitions 14/54 dead transitions. [2023-11-12 02:25:03,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 54 transitions, 206 flow [2023-11-12 02:25:03,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:25:03,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-12 02:25:03,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1251 transitions. [2023-11-12 02:25:03,400 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3973951715374841 [2023-11-12 02:25:03,400 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1251 transitions. [2023-11-12 02:25:03,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1251 transitions. [2023-11-12 02:25:03,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:25:03,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1251 transitions. [2023-11-12 02:25:03,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 312.75) internal successors, (1251), 4 states have internal predecessors, (1251), 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) [2023-11-12 02:25:03,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 787.0) internal successors, (3935), 5 states have internal predecessors, (3935), 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) [2023-11-12 02:25:03,420 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 787.0) internal successors, (3935), 5 states have internal predecessors, (3935), 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) [2023-11-12 02:25:03,420 INFO L175 Difference]: Start difference. First operand has 44 places, 39 transitions, 91 flow. Second operand 4 states and 1251 transitions. [2023-11-12 02:25:03,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 54 transitions, 206 flow [2023-11-12 02:25:03,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 54 transitions, 197 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-12 02:25:03,424 INFO L231 Difference]: Finished difference. Result has 45 places, 40 transitions, 102 flow [2023-11-12 02:25:03,424 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=787, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=102, PETRI_PLACES=45, PETRI_TRANSITIONS=40} [2023-11-12 02:25:03,426 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -68 predicate places. [2023-11-12 02:25:03,426 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 40 transitions, 102 flow [2023-11-12 02:25:03,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 305.25) internal successors, (1221), 4 states have internal predecessors, (1221), 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) [2023-11-12 02:25:03,428 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:25:03,428 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:03,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:25:03,434 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-12 02:25:03,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:03,435 INFO L85 PathProgramCache]: Analyzing trace with hash 595217622, now seen corresponding path program 1 times [2023-11-12 02:25:03,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:03,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135472111] [2023-11-12 02:25:03,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:03,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:04,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:25:04,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:04,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135472111] [2023-11-12 02:25:04,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135472111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:04,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:04,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:25:04,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770929685] [2023-11-12 02:25:04,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:04,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:25:04,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:04,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:25:04,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:25:04,329 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 787 [2023-11-12 02:25:04,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 40 transitions, 102 flow. Second operand has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 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) [2023-11-12 02:25:04,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:25:04,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 787 [2023-11-12 02:25:04,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:25:04,762 INFO L124 PetriNetUnfolderBase]: 387/634 cut-off events. [2023-11-12 02:25:04,762 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2023-11-12 02:25:04,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1354 conditions, 634 events. 387/634 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1922 event pairs, 170 based on Foata normal form. 0/495 useless extension candidates. Maximal degree in co-relation 1348. Up to 380 conditions per place. [2023-11-12 02:25:04,768 INFO L140 encePairwiseOnDemand]: 782/787 looper letters, 54 selfloop transitions, 4 changer transitions 0/67 dead transitions. [2023-11-12 02:25:04,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 67 transitions, 280 flow [2023-11-12 02:25:04,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:25:04,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:25:04,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1846 transitions. [2023-11-12 02:25:04,776 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39093604404913174 [2023-11-12 02:25:04,776 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1846 transitions. [2023-11-12 02:25:04,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1846 transitions. [2023-11-12 02:25:04,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:25:04,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1846 transitions. [2023-11-12 02:25:04,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 307.6666666666667) internal successors, (1846), 6 states have internal predecessors, (1846), 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) [2023-11-12 02:25:04,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 787.0) internal successors, (5509), 7 states have internal predecessors, (5509), 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) [2023-11-12 02:25:04,799 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 787.0) internal successors, (5509), 7 states have internal predecessors, (5509), 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) [2023-11-12 02:25:04,799 INFO L175 Difference]: Start difference. First operand has 45 places, 40 transitions, 102 flow. Second operand 6 states and 1846 transitions. [2023-11-12 02:25:04,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 67 transitions, 280 flow [2023-11-12 02:25:04,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 67 transitions, 276 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-12 02:25:04,804 INFO L231 Difference]: Finished difference. Result has 47 places, 39 transitions, 104 flow [2023-11-12 02:25:04,804 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=787, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=104, PETRI_PLACES=47, PETRI_TRANSITIONS=39} [2023-11-12 02:25:04,806 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -66 predicate places. [2023-11-12 02:25:04,806 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 39 transitions, 104 flow [2023-11-12 02:25:04,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 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) [2023-11-12 02:25:04,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:25:04,808 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:04,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:25:04,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-12 02:25:04,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:04,809 INFO L85 PathProgramCache]: Analyzing trace with hash 672279281, now seen corresponding path program 1 times [2023-11-12 02:25:04,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:04,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892088909] [2023-11-12 02:25:04,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:04,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:04,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:25:04,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:04,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892088909] [2023-11-12 02:25:04,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892088909] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:04,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:04,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:25:04,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022501024] [2023-11-12 02:25:04,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:05,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:25:05,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:05,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:25:05,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:25:05,081 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 787 [2023-11-12 02:25:05,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 306.75) internal successors, (1227), 4 states have internal predecessors, (1227), 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) [2023-11-12 02:25:05,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:25:05,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 787 [2023-11-12 02:25:05,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:25:05,360 INFO L124 PetriNetUnfolderBase]: 402/783 cut-off events. [2023-11-12 02:25:05,360 INFO L125 PetriNetUnfolderBase]: For 126/126 co-relation queries the response was YES. [2023-11-12 02:25:05,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1686 conditions, 783 events. 402/783 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3192 event pairs, 282 based on Foata normal form. 46/694 useless extension candidates. Maximal degree in co-relation 1680. Up to 425 conditions per place. [2023-11-12 02:25:05,366 INFO L140 encePairwiseOnDemand]: 778/787 looper letters, 23 selfloop transitions, 4 changer transitions 15/55 dead transitions. [2023-11-12 02:25:05,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 55 transitions, 232 flow [2023-11-12 02:25:05,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:25:05,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-12 02:25:05,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1556 transitions. [2023-11-12 02:25:05,374 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39542566709021604 [2023-11-12 02:25:05,375 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1556 transitions. [2023-11-12 02:25:05,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1556 transitions. [2023-11-12 02:25:05,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:25:05,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1556 transitions. [2023-11-12 02:25:05,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 311.2) internal successors, (1556), 5 states have internal predecessors, (1556), 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) [2023-11-12 02:25:05,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 787.0) internal successors, (4722), 6 states have internal predecessors, (4722), 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) [2023-11-12 02:25:05,391 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 787.0) internal successors, (4722), 6 states have internal predecessors, (4722), 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) [2023-11-12 02:25:05,392 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 104 flow. Second operand 5 states and 1556 transitions. [2023-11-12 02:25:05,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 55 transitions, 232 flow [2023-11-12 02:25:05,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 55 transitions, 223 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-12 02:25:05,396 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 123 flow [2023-11-12 02:25:05,396 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=787, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=123, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2023-11-12 02:25:05,398 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -64 predicate places. [2023-11-12 02:25:05,399 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 123 flow [2023-11-12 02:25:05,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 306.75) internal successors, (1227), 4 states have internal predecessors, (1227), 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) [2023-11-12 02:25:05,400 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:25:05,400 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:05,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:25:05,400 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-12 02:25:05,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:05,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1536861894, now seen corresponding path program 1 times [2023-11-12 02:25:05,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:05,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018750064] [2023-11-12 02:25:05,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:05,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:06,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 02:25:06,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:06,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018750064] [2023-11-12 02:25:06,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018750064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:06,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:06,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:25:06,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69539787] [2023-11-12 02:25:06,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:06,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:25:06,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:06,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:25:06,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:25:06,356 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 787 [2023-11-12 02:25:06,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 123 flow. Second operand has 6 states, 6 states have (on average 302.0) internal successors, (1812), 6 states have internal predecessors, (1812), 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) [2023-11-12 02:25:06,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:25:06,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 787 [2023-11-12 02:25:06,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:25:06,700 INFO L124 PetriNetUnfolderBase]: 303/548 cut-off events. [2023-11-12 02:25:06,701 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2023-11-12 02:25:06,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1293 conditions, 548 events. 303/548 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1826 event pairs, 189 based on Foata normal form. 0/437 useless extension candidates. Maximal degree in co-relation 1285. Up to 423 conditions per place. [2023-11-12 02:25:06,703 INFO L140 encePairwiseOnDemand]: 782/787 looper letters, 0 selfloop transitions, 0 changer transitions 51/51 dead transitions. [2023-11-12 02:25:06,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 51 transitions, 247 flow [2023-11-12 02:25:06,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:25:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:25:06,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1830 transitions. [2023-11-12 02:25:06,711 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3875476493011436 [2023-11-12 02:25:06,712 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1830 transitions. [2023-11-12 02:25:06,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1830 transitions. [2023-11-12 02:25:06,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:25:06,714 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1830 transitions. [2023-11-12 02:25:06,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 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) [2023-11-12 02:25:06,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 787.0) internal successors, (5509), 7 states have internal predecessors, (5509), 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) [2023-11-12 02:25:06,730 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 787.0) internal successors, (5509), 7 states have internal predecessors, (5509), 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) [2023-11-12 02:25:06,730 INFO L175 Difference]: Start difference. First operand has 49 places, 40 transitions, 123 flow. Second operand 6 states and 1830 transitions. [2023-11-12 02:25:06,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 51 transitions, 247 flow [2023-11-12 02:25:06,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 51 transitions, 241 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-11-12 02:25:06,734 INFO L231 Difference]: Finished difference. Result has 51 places, 0 transitions, 0 flow [2023-11-12 02:25:06,735 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=787, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=51, PETRI_TRANSITIONS=0} [2023-11-12 02:25:06,739 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -62 predicate places. [2023-11-12 02:25:06,739 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 0 transitions, 0 flow [2023-11-12 02:25:06,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 302.0) internal successors, (1812), 6 states have internal predecessors, (1812), 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) [2023-11-12 02:25:06,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (121 of 122 remaining) [2023-11-12 02:25:06,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (120 of 122 remaining) [2023-11-12 02:25:06,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (119 of 122 remaining) [2023-11-12 02:25:06,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (118 of 122 remaining) [2023-11-12 02:25:06,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (117 of 122 remaining) [2023-11-12 02:25:06,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (116 of 122 remaining) [2023-11-12 02:25:06,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (115 of 122 remaining) [2023-11-12 02:25:06,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (114 of 122 remaining) [2023-11-12 02:25:06,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (113 of 122 remaining) [2023-11-12 02:25:06,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (112 of 122 remaining) [2023-11-12 02:25:06,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (111 of 122 remaining) [2023-11-12 02:25:06,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (110 of 122 remaining) [2023-11-12 02:25:06,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (109 of 122 remaining) [2023-11-12 02:25:06,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (108 of 122 remaining) [2023-11-12 02:25:06,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (107 of 122 remaining) [2023-11-12 02:25:06,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (106 of 122 remaining) [2023-11-12 02:25:06,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (105 of 122 remaining) [2023-11-12 02:25:06,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (104 of 122 remaining) [2023-11-12 02:25:06,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (103 of 122 remaining) [2023-11-12 02:25:06,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (102 of 122 remaining) [2023-11-12 02:25:06,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (101 of 122 remaining) [2023-11-12 02:25:06,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (100 of 122 remaining) [2023-11-12 02:25:06,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (99 of 122 remaining) [2023-11-12 02:25:06,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (98 of 122 remaining) [2023-11-12 02:25:06,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (97 of 122 remaining) [2023-11-12 02:25:06,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (96 of 122 remaining) [2023-11-12 02:25:06,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (95 of 122 remaining) [2023-11-12 02:25:06,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (94 of 122 remaining) [2023-11-12 02:25:06,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (93 of 122 remaining) [2023-11-12 02:25:06,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (92 of 122 remaining) [2023-11-12 02:25:06,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (91 of 122 remaining) [2023-11-12 02:25:06,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (90 of 122 remaining) [2023-11-12 02:25:06,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (89 of 122 remaining) [2023-11-12 02:25:06,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (88 of 122 remaining) [2023-11-12 02:25:06,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (87 of 122 remaining) [2023-11-12 02:25:06,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (86 of 122 remaining) [2023-11-12 02:25:06,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (85 of 122 remaining) [2023-11-12 02:25:06,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (84 of 122 remaining) [2023-11-12 02:25:06,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (83 of 122 remaining) [2023-11-12 02:25:06,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (82 of 122 remaining) [2023-11-12 02:25:06,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (81 of 122 remaining) [2023-11-12 02:25:06,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (80 of 122 remaining) [2023-11-12 02:25:06,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (79 of 122 remaining) [2023-11-12 02:25:06,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (78 of 122 remaining) [2023-11-12 02:25:06,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (77 of 122 remaining) [2023-11-12 02:25:06,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (76 of 122 remaining) [2023-11-12 02:25:06,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (75 of 122 remaining) [2023-11-12 02:25:06,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (74 of 122 remaining) [2023-11-12 02:25:06,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (73 of 122 remaining) [2023-11-12 02:25:06,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 122 remaining) [2023-11-12 02:25:06,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (71 of 122 remaining) [2023-11-12 02:25:06,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (70 of 122 remaining) [2023-11-12 02:25:06,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 122 remaining) [2023-11-12 02:25:06,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (68 of 122 remaining) [2023-11-12 02:25:06,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (67 of 122 remaining) [2023-11-12 02:25:06,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (66 of 122 remaining) [2023-11-12 02:25:06,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (65 of 122 remaining) [2023-11-12 02:25:06,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (64 of 122 remaining) [2023-11-12 02:25:06,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (63 of 122 remaining) [2023-11-12 02:25:06,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (62 of 122 remaining) [2023-11-12 02:25:06,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (61 of 122 remaining) [2023-11-12 02:25:06,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (60 of 122 remaining) [2023-11-12 02:25:06,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (59 of 122 remaining) [2023-11-12 02:25:06,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (58 of 122 remaining) [2023-11-12 02:25:06,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (57 of 122 remaining) [2023-11-12 02:25:06,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (56 of 122 remaining) [2023-11-12 02:25:06,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (55 of 122 remaining) [2023-11-12 02:25:06,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (54 of 122 remaining) [2023-11-12 02:25:06,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (53 of 122 remaining) [2023-11-12 02:25:06,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (52 of 122 remaining) [2023-11-12 02:25:06,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 122 remaining) [2023-11-12 02:25:06,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 122 remaining) [2023-11-12 02:25:06,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 122 remaining) [2023-11-12 02:25:06,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 122 remaining) [2023-11-12 02:25:06,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (47 of 122 remaining) [2023-11-12 02:25:06,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (46 of 122 remaining) [2023-11-12 02:25:06,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (45 of 122 remaining) [2023-11-12 02:25:06,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (44 of 122 remaining) [2023-11-12 02:25:06,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (43 of 122 remaining) [2023-11-12 02:25:06,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (42 of 122 remaining) [2023-11-12 02:25:06,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (41 of 122 remaining) [2023-11-12 02:25:06,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (40 of 122 remaining) [2023-11-12 02:25:06,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (39 of 122 remaining) [2023-11-12 02:25:06,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (38 of 122 remaining) [2023-11-12 02:25:06,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (37 of 122 remaining) [2023-11-12 02:25:06,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (36 of 122 remaining) [2023-11-12 02:25:06,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (35 of 122 remaining) [2023-11-12 02:25:06,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (34 of 122 remaining) [2023-11-12 02:25:06,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (33 of 122 remaining) [2023-11-12 02:25:06,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (32 of 122 remaining) [2023-11-12 02:25:06,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 122 remaining) [2023-11-12 02:25:06,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 122 remaining) [2023-11-12 02:25:06,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 122 remaining) [2023-11-12 02:25:06,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 122 remaining) [2023-11-12 02:25:06,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (27 of 122 remaining) [2023-11-12 02:25:06,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (26 of 122 remaining) [2023-11-12 02:25:06,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (25 of 122 remaining) [2023-11-12 02:25:06,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (24 of 122 remaining) [2023-11-12 02:25:06,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (23 of 122 remaining) [2023-11-12 02:25:06,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (22 of 122 remaining) [2023-11-12 02:25:06,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (21 of 122 remaining) [2023-11-12 02:25:06,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (20 of 122 remaining) [2023-11-12 02:25:06,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (19 of 122 remaining) [2023-11-12 02:25:06,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (18 of 122 remaining) [2023-11-12 02:25:06,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (17 of 122 remaining) [2023-11-12 02:25:06,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (16 of 122 remaining) [2023-11-12 02:25:06,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (15 of 122 remaining) [2023-11-12 02:25:06,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (14 of 122 remaining) [2023-11-12 02:25:06,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (13 of 122 remaining) [2023-11-12 02:25:06,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (12 of 122 remaining) [2023-11-12 02:25:06,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 122 remaining) [2023-11-12 02:25:06,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 122 remaining) [2023-11-12 02:25:06,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 122 remaining) [2023-11-12 02:25:06,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 122 remaining) [2023-11-12 02:25:06,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 122 remaining) [2023-11-12 02:25:06,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 122 remaining) [2023-11-12 02:25:06,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (5 of 122 remaining) [2023-11-12 02:25:06,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 122 remaining) [2023-11-12 02:25:06,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (3 of 122 remaining) [2023-11-12 02:25:06,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (2 of 122 remaining) [2023-11-12 02:25:06,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (1 of 122 remaining) [2023-11-12 02:25:06,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (0 of 122 remaining) [2023-11-12 02:25:06,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:25:06,774 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-12 02:25:06,780 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:25:06,781 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:25:06,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:25:06 BasicIcfg [2023-11-12 02:25:06,786 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:25:06,786 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:25:06,786 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:25:06,787 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:25:06,787 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:24:40" (3/4) ... [2023-11-12 02:25:06,789 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:25:06,792 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-12 02:25:06,792 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-12 02:25:06,792 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-12 02:25:06,801 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-12 02:25:06,802 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:25:06,803 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:25:06,803 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:25:06,902 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:25:06,903 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:25:06,903 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:25:06,904 INFO L158 Benchmark]: Toolchain (without parser) took 28906.42ms. Allocated memory was 148.9MB in the beginning and 352.3MB in the end (delta: 203.4MB). Free memory was 118.9MB in the beginning and 169.6MB in the end (delta: -50.8MB). Peak memory consumption was 154.7MB. Max. memory is 16.1GB. [2023-11-12 02:25:06,904 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory was 82.2MB in the beginning and 82.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:25:06,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.15ms. Allocated memory is still 148.9MB. Free memory was 118.9MB in the beginning and 105.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:25:06,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.60ms. Allocated memory is still 148.9MB. Free memory was 105.3MB in the beginning and 101.5MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:25:06,905 INFO L158 Benchmark]: Boogie Preprocessor took 69.36ms. Allocated memory is still 148.9MB. Free memory was 101.5MB in the beginning and 98.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:25:06,906 INFO L158 Benchmark]: RCFGBuilder took 2099.16ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 98.1MB in the beginning and 132.8MB in the end (delta: -34.7MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2023-11-12 02:25:06,906 INFO L158 Benchmark]: TraceAbstraction took 26059.11ms. Allocated memory was 188.7MB in the beginning and 352.3MB in the end (delta: 163.6MB). Free memory was 131.8MB in the beginning and 177.0MB in the end (delta: -45.2MB). Peak memory consumption was 119.4MB. Max. memory is 16.1GB. [2023-11-12 02:25:06,907 INFO L158 Benchmark]: Witness Printer took 116.79ms. Allocated memory is still 352.3MB. Free memory was 177.0MB in the beginning and 169.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:25:06,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory was 82.2MB in the beginning and 82.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.15ms. Allocated memory is still 148.9MB. Free memory was 118.9MB in the beginning and 105.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.60ms. Allocated memory is still 148.9MB. Free memory was 105.3MB in the beginning and 101.5MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.36ms. Allocated memory is still 148.9MB. Free memory was 101.5MB in the beginning and 98.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2099.16ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 98.1MB in the beginning and 132.8MB in the end (delta: -34.7MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * TraceAbstraction took 26059.11ms. Allocated memory was 188.7MB in the beginning and 352.3MB in the end (delta: 163.6MB). Free memory was 131.8MB in the beginning and 177.0MB in the end (delta: -45.2MB). Peak memory consumption was 119.4MB. Max. memory is 16.1GB. * Witness Printer took 116.79ms. Allocated memory is still 352.3MB. Free memory was 177.0MB in the beginning and 169.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.6s, 352 PlacesBefore, 113 PlacesAfterwards, 359 TransitionsBefore, 109 TransitionsAfterwards, 11226 CoEnabledTransitionPairs, 9 FixpointIterations, 245 TrivialSequentialCompositions, 109 ConcurrentSequentialCompositions, 26 TrivialYvCompositions, 11 ConcurrentYvCompositions, 11 ChoiceCompositions, 402 TotalNumberOfCompositions, 39985 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14877, independent: 14282, independent conditional: 0, independent unconditional: 14282, dependent: 595, dependent conditional: 0, dependent unconditional: 595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4862, independent: 4774, independent conditional: 0, independent unconditional: 4774, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14877, independent: 9508, independent conditional: 0, independent unconditional: 9508, dependent: 507, dependent conditional: 0, dependent unconditional: 507, unknown: 4862, unknown conditional: 0, unknown unconditional: 4862] , Statistics on independence cache: Total cache size (in pairs): 510, Positive cache size: 471, Positive conditional cache size: 0, Positive unconditional cache size: 471, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 465 locations, 122 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 25.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 19.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 565 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 298 mSDsluCounter, 111 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 199 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1262 IncrementalHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 199 mSolverCounterUnsat, 69 mSDtfsCounter, 1262 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred in iteration=0, InterpolantAutomatonStates: 29, 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, 2.5s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 399 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - AllSpecificationsHoldResult: All specifications hold 70 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:25:06,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37056477-0a6f-4b4f-ba50-8cd607748860/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE