./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 e04fb08f 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_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --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 9a1ebdea5e08fe7fb177f9715317eb0e1f1a80d35c0ea62e77ce19d6486e2cb1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 10:55:44,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:55:44,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:55:44,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:55:44,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:55:44,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:55:44,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:55:44,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:55:44,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:55:44,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:55:44,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:55:44,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:55:44,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:55:44,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:55:44,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:55:44,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:55:44,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:55:44,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:55:44,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:55:44,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:55:44,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:55:44,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:55:44,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:55:44,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:55:44,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:55:44,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:55:44,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:55:44,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:55:44,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:55:44,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:55:44,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:55:44,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:55:44,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:55:44,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:55:44,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:55:44,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:55:44,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:55:44,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:55:44,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:55:44,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:55:44,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:55:44,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 10:55:44,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:55:44,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:55:44,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:55:44,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:55:44,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 10:55:44,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 10:55:44,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:55:44,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:55:44,830 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:55:44,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:55:44,830 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 10:55:44,831 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 10:55:44,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:55:44,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 10:55:44,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:55:44,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 10:55:44,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 10:55:44,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 10:55:44,832 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 10:55:44,832 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 10:55:44,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:55:44,833 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:55:44,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 10:55:44,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:55:44,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:55:44,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 10:55:44,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:55:44,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:55:44,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 10:55:44,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 10:55:44,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:55:44,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 10:55:44,835 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 10:55:44,835 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 10:55:44,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 10:55:44,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a1ebdea5e08fe7fb177f9715317eb0e1f1a80d35c0ea62e77ce19d6486e2cb1 [2022-11-16 10:55:45,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:55:45,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:55:45,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:55:45,170 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:55:45,171 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:55:45,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2022-11-16 10:55:45,240 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/data/a0a4df586/9eafc23f004b4369a716a2ab25030f3e/FLAG086472954 [2022-11-16 10:55:45,752 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:55:45,753 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2022-11-16 10:55:45,763 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/data/a0a4df586/9eafc23f004b4369a716a2ab25030f3e/FLAG086472954 [2022-11-16 10:55:46,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/data/a0a4df586/9eafc23f004b4369a716a2ab25030f3e [2022-11-16 10:55:46,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:55:46,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:55:46,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:55:46,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:55:46,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:55:46,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:55:46" (1/1) ... [2022-11-16 10:55:46,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ffc27fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:46, skipping insertion in model container [2022-11-16 10:55:46,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:55:46" (1/1) ... [2022-11-16 10:55:46,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:55:46,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:55:46,392 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c[3424,3437] [2022-11-16 10:55:46,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:55:46,405 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:55:46,444 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c[3424,3437] [2022-11-16 10:55:46,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:55:46,462 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:55:46,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:46 WrapperNode [2022-11-16 10:55:46,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:55:46,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:55:46,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:55:46,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:55:46,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:46" (1/1) ... [2022-11-16 10:55:46,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:46" (1/1) ... [2022-11-16 10:55:46,526 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 479 [2022-11-16 10:55:46,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:55:46,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:55:46,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:55:46,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:55:46,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:46" (1/1) ... [2022-11-16 10:55:46,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:46" (1/1) ... [2022-11-16 10:55:46,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:46" (1/1) ... [2022-11-16 10:55:46,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:46" (1/1) ... [2022-11-16 10:55:46,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:46" (1/1) ... [2022-11-16 10:55:46,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:46" (1/1) ... [2022-11-16 10:55:46,579 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:46" (1/1) ... [2022-11-16 10:55:46,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:46" (1/1) ... [2022-11-16 10:55:46,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:55:46,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:55:46,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:55:46,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:55:46,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:46" (1/1) ... [2022-11-16 10:55:46,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:55:46,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:46,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:46,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 10:55:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 10:55:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 10:55:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 10:55:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 10:55:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 10:55:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 10:55:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 10:55:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 10:55:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 10:55:46,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 10:55:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 10:55:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 10:55:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 10:55:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 10:55:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:55:46,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:55:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 10:55:46,674 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 10:55:46,795 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:55:46,813 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:55:47,696 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:55:48,290 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:55:48,291 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-16 10:55:48,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:55:48 BoogieIcfgContainer [2022-11-16 10:55:48,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:55:48,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 10:55:48,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 10:55:48,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 10:55:48,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 10:55:46" (1/3) ... [2022-11-16 10:55:48,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5768ed5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:55:48, skipping insertion in model container [2022-11-16 10:55:48,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:46" (2/3) ... [2022-11-16 10:55:48,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5768ed5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:55:48, skipping insertion in model container [2022-11-16 10:55:48,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:55:48" (3/3) ... [2022-11-16 10:55:48,306 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-horseshoe.wvr.c [2022-11-16 10:55:48,315 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 10:55:48,326 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 10:55:48,326 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2022-11-16 10:55:48,326 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 10:55:48,499 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 10:55:48,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 365 places, 373 transitions, 770 flow [2022-11-16 10:55:48,690 INFO L130 PetriNetUnfolder]: 18/370 cut-off events. [2022-11-16 10:55:48,691 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 10:55:48,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 370 events. 18/370 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 505 event pairs, 0 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 291. Up to 3 conditions per place. [2022-11-16 10:55:48,703 INFO L82 GeneralOperation]: Start removeDead. Operand has 365 places, 373 transitions, 770 flow [2022-11-16 10:55:48,715 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 343 places, 350 transitions, 718 flow [2022-11-16 10:55:48,732 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 10:55:48,740 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=LoopsAndPotentialCycles, 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;@3a8614be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 10:55:48,741 INFO L358 AbstractCegarLoop]: Starting to check reachability of 122 error locations. [2022-11-16 10:55:48,756 INFO L130 PetriNetUnfolder]: 0/30 cut-off events. [2022-11-16 10:55:48,756 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 10:55:48,757 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:48,757 INFO L209 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] [2022-11-16 10:55:48,759 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)] === [2022-11-16 10:55:48,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:48,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1181500825, now seen corresponding path program 1 times [2022-11-16 10:55:48,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:48,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160993583] [2022-11-16 10:55:48,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:48,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:49,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:49,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:49,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160993583] [2022-11-16 10:55:49,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160993583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:49,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:49,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:49,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37137681] [2022-11-16 10:55:49,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:49,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:49,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:49,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:49,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:49,058 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-11-16 10:55:49,063 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 350 transitions, 718 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-11-16 10:55:49,063 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:49,063 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-11-16 10:55:49,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:49,346 INFO L130 PetriNetUnfolder]: 71/583 cut-off events. [2022-11-16 10:55:49,347 INFO L131 PetriNetUnfolder]: For 50/60 co-relation queries the response was YES. [2022-11-16 10:55:49,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 736 conditions, 583 events. 71/583 cut-off events. For 50/60 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2026 event pairs, 38 based on Foata normal form. 59/553 useless extension candidates. Maximal degree in co-relation 460. Up to 112 conditions per place. [2022-11-16 10:55:49,355 INFO L137 encePairwiseOnDemand]: 314/373 looper letters, 17 selfloop transitions, 2 changer transitions 5/293 dead transitions. [2022-11-16 10:55:49,355 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 293 transitions, 642 flow [2022-11-16 10:55:49,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:49,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:49,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2022-11-16 10:55:49,372 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8588025022341377 [2022-11-16 10:55:49,373 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 961 transitions. [2022-11-16 10:55:49,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 961 transitions. [2022-11-16 10:55:49,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:49,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 961 transitions. [2022-11-16 10:55:49,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2022-11-16 10:55:49,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:49,392 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:49,394 INFO L175 Difference]: Start difference. First operand has 343 places, 350 transitions, 718 flow. Second operand 3 states and 961 transitions. [2022-11-16 10:55:49,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 293 transitions, 642 flow [2022-11-16 10:55:49,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 293 transitions, 630 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-16 10:55:49,408 INFO L231 Difference]: Finished difference. Result has 294 places, 288 transitions, 586 flow [2022-11-16 10:55:49,410 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=586, PETRI_PLACES=294, PETRI_TRANSITIONS=288} [2022-11-16 10:55:49,414 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -49 predicate places. [2022-11-16 10:55:49,414 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 288 transitions, 586 flow [2022-11-16 10:55:49,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-11-16 10:55:49,415 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:49,415 INFO L209 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, 1, 1, 1] [2022-11-16 10:55:49,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 10:55:49,416 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:49,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:49,417 INFO L85 PathProgramCache]: Analyzing trace with hash 129502848, now seen corresponding path program 1 times [2022-11-16 10:55:49,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:49,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739627915] [2022-11-16 10:55:49,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:49,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:49,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:49,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:49,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739627915] [2022-11-16 10:55:49,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739627915] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:49,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:49,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:49,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381106751] [2022-11-16 10:55:49,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:49,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:49,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:49,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:49,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:49,485 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-16 10:55:49,487 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 288 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:49,499 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:49,499 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-16 10:55:49,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:49,749 INFO L130 PetriNetUnfolder]: 77/672 cut-off events. [2022-11-16 10:55:49,749 INFO L131 PetriNetUnfolder]: For 10/15 co-relation queries the response was YES. [2022-11-16 10:55:49,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 803 conditions, 672 events. 77/672 cut-off events. For 10/15 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2678 event pairs, 18 based on Foata normal form. 0/575 useless extension candidates. Maximal degree in co-relation 763. Up to 85 conditions per place. [2022-11-16 10:55:49,756 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 19 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2022-11-16 10:55:49,756 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 293 transitions, 640 flow [2022-11-16 10:55:49,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:49,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:49,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 916 transitions. [2022-11-16 10:55:49,759 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8185880250223414 [2022-11-16 10:55:49,759 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 916 transitions. [2022-11-16 10:55:49,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 916 transitions. [2022-11-16 10:55:49,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:49,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 916 transitions. [2022-11-16 10:55:49,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 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) [2022-11-16 10:55:49,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:49,765 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:49,765 INFO L175 Difference]: Start difference. First operand has 294 places, 288 transitions, 586 flow. Second operand 3 states and 916 transitions. [2022-11-16 10:55:49,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 293 transitions, 640 flow [2022-11-16 10:55:49,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 293 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 10:55:49,774 INFO L231 Difference]: Finished difference. Result has 289 places, 288 transitions, 590 flow [2022-11-16 10:55:49,774 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=289, PETRI_TRANSITIONS=288} [2022-11-16 10:55:49,776 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -54 predicate places. [2022-11-16 10:55:49,776 INFO L495 AbstractCegarLoop]: Abstraction has has 289 places, 288 transitions, 590 flow [2022-11-16 10:55:49,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:49,777 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:49,777 INFO L209 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:49,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 10:55:49,778 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:49,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:49,778 INFO L85 PathProgramCache]: Analyzing trace with hash 977767430, now seen corresponding path program 1 times [2022-11-16 10:55:49,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:49,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369957301] [2022-11-16 10:55:49,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:49,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:49,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:49,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369957301] [2022-11-16 10:55:49,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369957301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:49,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:49,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:49,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797385909] [2022-11-16 10:55:49,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:49,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:49,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:49,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:49,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:49,870 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-16 10:55:49,871 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 288 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:49,872 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:49,872 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-16 10:55:49,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:50,072 INFO L130 PetriNetUnfolder]: 71/578 cut-off events. [2022-11-16 10:55:50,073 INFO L131 PetriNetUnfolder]: For 32/42 co-relation queries the response was YES. [2022-11-16 10:55:50,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 740 conditions, 578 events. 71/578 cut-off events. For 32/42 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2025 event pairs, 38 based on Foata normal form. 0/496 useless extension candidates. Maximal degree in co-relation 317. Up to 110 conditions per place. [2022-11-16 10:55:50,077 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 15 selfloop transitions, 2 changer transitions 0/287 dead transitions. [2022-11-16 10:55:50,078 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 287 transitions, 622 flow [2022-11-16 10:55:50,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:50,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:50,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2022-11-16 10:55:50,081 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8141197497765862 [2022-11-16 10:55:50,081 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 911 transitions. [2022-11-16 10:55:50,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 911 transitions. [2022-11-16 10:55:50,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:50,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 911 transitions. [2022-11-16 10:55:50,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 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) [2022-11-16 10:55:50,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:50,087 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:50,088 INFO L175 Difference]: Start difference. First operand has 289 places, 288 transitions, 590 flow. Second operand 3 states and 911 transitions. [2022-11-16 10:55:50,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 287 transitions, 622 flow [2022-11-16 10:55:50,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 287 transitions, 620 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 10:55:50,093 INFO L231 Difference]: Finished difference. Result has 289 places, 287 transitions, 590 flow [2022-11-16 10:55:50,094 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=289, PETRI_TRANSITIONS=287} [2022-11-16 10:55:50,095 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -54 predicate places. [2022-11-16 10:55:50,095 INFO L495 AbstractCegarLoop]: Abstraction has has 289 places, 287 transitions, 590 flow [2022-11-16 10:55:50,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:50,096 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:50,096 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:50,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 10:55:50,097 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:50,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:50,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1352026214, now seen corresponding path program 1 times [2022-11-16 10:55:50,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:50,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177540825] [2022-11-16 10:55:50,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:50,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:50,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:50,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:50,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177540825] [2022-11-16 10:55:50,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177540825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:50,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:50,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:50,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995362412] [2022-11-16 10:55:50,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:50,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:50,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:50,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:50,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:50,196 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-11-16 10:55:50,197 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 287 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-11-16 10:55:50,197 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:50,197 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-11-16 10:55:50,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:50,385 INFO L130 PetriNetUnfolder]: 71/577 cut-off events. [2022-11-16 10:55:50,386 INFO L131 PetriNetUnfolder]: For 31/41 co-relation queries the response was YES. [2022-11-16 10:55:50,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 733 conditions, 577 events. 71/577 cut-off events. For 31/41 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2018 event pairs, 38 based on Foata normal form. 0/496 useless extension candidates. Maximal degree in co-relation 685. Up to 113 conditions per place. [2022-11-16 10:55:50,392 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 18 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2022-11-16 10:55:50,392 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 286 transitions, 628 flow [2022-11-16 10:55:50,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:50,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2022-11-16 10:55:50,396 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.80875781948168 [2022-11-16 10:55:50,399 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 905 transitions. [2022-11-16 10:55:50,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 905 transitions. [2022-11-16 10:55:50,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:50,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 905 transitions. [2022-11-16 10:55:50,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 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) [2022-11-16 10:55:50,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:50,406 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:50,406 INFO L175 Difference]: Start difference. First operand has 289 places, 287 transitions, 590 flow. Second operand 3 states and 905 transitions. [2022-11-16 10:55:50,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 286 transitions, 628 flow [2022-11-16 10:55:50,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 286 transitions, 624 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 10:55:50,416 INFO L231 Difference]: Finished difference. Result has 288 places, 286 transitions, 588 flow [2022-11-16 10:55:50,417 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=288, PETRI_TRANSITIONS=286} [2022-11-16 10:55:50,418 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -55 predicate places. [2022-11-16 10:55:50,418 INFO L495 AbstractCegarLoop]: Abstraction has has 288 places, 286 transitions, 588 flow [2022-11-16 10:55:50,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-11-16 10:55:50,419 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:50,419 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:50,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 10:55:50,419 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:50,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:50,420 INFO L85 PathProgramCache]: Analyzing trace with hash -255003040, now seen corresponding path program 1 times [2022-11-16 10:55:50,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:50,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554861126] [2022-11-16 10:55:50,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:50,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:50,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:50,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:50,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554861126] [2022-11-16 10:55:50,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554861126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:50,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:50,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:50,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578035168] [2022-11-16 10:55:50,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:50,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:50,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:50,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:50,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:50,486 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-16 10:55:50,487 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 286 transitions, 588 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:50,488 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:50,488 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-16 10:55:50,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:50,701 INFO L130 PetriNetUnfolder]: 83/652 cut-off events. [2022-11-16 10:55:50,701 INFO L131 PetriNetUnfolder]: For 32/41 co-relation queries the response was YES. [2022-11-16 10:55:50,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 652 events. 83/652 cut-off events. For 32/41 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2659 event pairs, 20 based on Foata normal form. 0/564 useless extension candidates. Maximal degree in co-relation 761. Up to 66 conditions per place. [2022-11-16 10:55:50,707 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 22 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2022-11-16 10:55:50,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 293 transitions, 656 flow [2022-11-16 10:55:50,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:50,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:50,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2022-11-16 10:55:50,709 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8194816800714924 [2022-11-16 10:55:50,709 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 917 transitions. [2022-11-16 10:55:50,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 917 transitions. [2022-11-16 10:55:50,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:50,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 917 transitions. [2022-11-16 10:55:50,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 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) [2022-11-16 10:55:50,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:50,715 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:50,716 INFO L175 Difference]: Start difference. First operand has 288 places, 286 transitions, 588 flow. Second operand 3 states and 917 transitions. [2022-11-16 10:55:50,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 293 transitions, 656 flow [2022-11-16 10:55:50,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 293 transitions, 652 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 10:55:50,721 INFO L231 Difference]: Finished difference. Result has 288 places, 286 transitions, 592 flow [2022-11-16 10:55:50,722 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=288, PETRI_TRANSITIONS=286} [2022-11-16 10:55:50,724 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -55 predicate places. [2022-11-16 10:55:50,725 INFO L495 AbstractCegarLoop]: Abstraction has has 288 places, 286 transitions, 592 flow [2022-11-16 10:55:50,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:50,726 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:50,726 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:50,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 10:55:50,726 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:50,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:50,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1028901209, now seen corresponding path program 1 times [2022-11-16 10:55:50,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:50,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715006108] [2022-11-16 10:55:50,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:50,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:50,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:50,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:50,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715006108] [2022-11-16 10:55:50,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715006108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:50,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:50,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:50,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227139997] [2022-11-16 10:55:50,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:50,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:50,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:50,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:50,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:50,787 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-16 10:55:50,788 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 286 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:50,788 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:50,788 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-16 10:55:50,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:50,943 INFO L130 PetriNetUnfolder]: 83/589 cut-off events. [2022-11-16 10:55:50,943 INFO L131 PetriNetUnfolder]: For 58/68 co-relation queries the response was YES. [2022-11-16 10:55:50,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 794 conditions, 589 events. 83/589 cut-off events. For 58/68 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2067 event pairs, 38 based on Foata normal form. 0/502 useless extension candidates. Maximal degree in co-relation 479. Up to 123 conditions per place. [2022-11-16 10:55:50,948 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 16 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2022-11-16 10:55:50,948 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 285 transitions, 626 flow [2022-11-16 10:55:50,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:50,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:50,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2022-11-16 10:55:50,951 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8141197497765862 [2022-11-16 10:55:50,951 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 911 transitions. [2022-11-16 10:55:50,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 911 transitions. [2022-11-16 10:55:50,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:50,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 911 transitions. [2022-11-16 10:55:50,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 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) [2022-11-16 10:55:50,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:50,984 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:50,985 INFO L175 Difference]: Start difference. First operand has 288 places, 286 transitions, 592 flow. Second operand 3 states and 911 transitions. [2022-11-16 10:55:50,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 285 transitions, 626 flow [2022-11-16 10:55:50,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 285 transitions, 624 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 10:55:50,991 INFO L231 Difference]: Finished difference. Result has 288 places, 285 transitions, 592 flow [2022-11-16 10:55:50,992 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=288, PETRI_TRANSITIONS=285} [2022-11-16 10:55:50,995 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -55 predicate places. [2022-11-16 10:55:50,995 INFO L495 AbstractCegarLoop]: Abstraction has has 288 places, 285 transitions, 592 flow [2022-11-16 10:55:50,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:50,997 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:50,997 INFO L209 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, 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] [2022-11-16 10:55:50,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 10:55:50,998 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:50,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:50,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1896150949, now seen corresponding path program 1 times [2022-11-16 10:55:50,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:51,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63442382] [2022-11-16 10:55:51,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:51,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:51,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:51,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:51,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63442382] [2022-11-16 10:55:51,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63442382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:51,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:51,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:51,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977414916] [2022-11-16 10:55:51,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:51,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:51,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:51,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:51,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:51,096 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-11-16 10:55:51,097 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 285 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-11-16 10:55:51,097 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:51,097 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-11-16 10:55:51,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:51,300 INFO L130 PetriNetUnfolder]: 83/588 cut-off events. [2022-11-16 10:55:51,300 INFO L131 PetriNetUnfolder]: For 57/67 co-relation queries the response was YES. [2022-11-16 10:55:51,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 785 conditions, 588 events. 83/588 cut-off events. For 57/67 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2056 event pairs, 38 based on Foata normal form. 0/502 useless extension candidates. Maximal degree in co-relation 721. Up to 126 conditions per place. [2022-11-16 10:55:51,306 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 19 selfloop transitions, 2 changer transitions 0/284 dead transitions. [2022-11-16 10:55:51,306 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 284 transitions, 632 flow [2022-11-16 10:55:51,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:51,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:51,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2022-11-16 10:55:51,310 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.80875781948168 [2022-11-16 10:55:51,310 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 905 transitions. [2022-11-16 10:55:51,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 905 transitions. [2022-11-16 10:55:51,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:51,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 905 transitions. [2022-11-16 10:55:51,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 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) [2022-11-16 10:55:51,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:51,316 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:51,316 INFO L175 Difference]: Start difference. First operand has 288 places, 285 transitions, 592 flow. Second operand 3 states and 905 transitions. [2022-11-16 10:55:51,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 284 transitions, 632 flow [2022-11-16 10:55:51,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 284 transitions, 628 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 10:55:51,324 INFO L231 Difference]: Finished difference. Result has 287 places, 284 transitions, 590 flow [2022-11-16 10:55:51,324 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=287, PETRI_TRANSITIONS=284} [2022-11-16 10:55:51,325 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -56 predicate places. [2022-11-16 10:55:51,325 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 284 transitions, 590 flow [2022-11-16 10:55:51,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-11-16 10:55:51,326 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:51,326 INFO L209 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, 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] [2022-11-16 10:55:51,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 10:55:51,327 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:51,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:51,327 INFO L85 PathProgramCache]: Analyzing trace with hash -219486718, now seen corresponding path program 1 times [2022-11-16 10:55:51,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:51,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8300685] [2022-11-16 10:55:51,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:51,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:51,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:51,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8300685] [2022-11-16 10:55:51,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8300685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:51,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:51,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:51,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943996335] [2022-11-16 10:55:51,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:51,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:51,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:51,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:51,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:51,398 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-16 10:55:51,399 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 284 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:51,399 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:51,399 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-16 10:55:51,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:51,545 INFO L130 PetriNetUnfolder]: 83/587 cut-off events. [2022-11-16 10:55:51,545 INFO L131 PetriNetUnfolder]: For 58/68 co-relation queries the response was YES. [2022-11-16 10:55:51,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 780 conditions, 587 events. 83/587 cut-off events. For 58/68 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2065 event pairs, 38 based on Foata normal form. 0/502 useless extension candidates. Maximal degree in co-relation 708. Up to 121 conditions per place. [2022-11-16 10:55:51,550 INFO L137 encePairwiseOnDemand]: 371/373 looper letters, 16 selfloop transitions, 1 changer transitions 0/283 dead transitions. [2022-11-16 10:55:51,550 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 283 transitions, 622 flow [2022-11-16 10:55:51,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2022-11-16 10:55:51,553 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8132260947274352 [2022-11-16 10:55:51,553 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 910 transitions. [2022-11-16 10:55:51,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 910 transitions. [2022-11-16 10:55:51,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:51,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 910 transitions. [2022-11-16 10:55:51,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 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) [2022-11-16 10:55:51,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:51,558 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:51,558 INFO L175 Difference]: Start difference. First operand has 287 places, 284 transitions, 590 flow. Second operand 3 states and 910 transitions. [2022-11-16 10:55:51,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 283 transitions, 622 flow [2022-11-16 10:55:51,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 283 transitions, 618 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 10:55:51,564 INFO L231 Difference]: Finished difference. Result has 286 places, 283 transitions, 586 flow [2022-11-16 10:55:51,564 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=586, PETRI_PLACES=286, PETRI_TRANSITIONS=283} [2022-11-16 10:55:51,567 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -57 predicate places. [2022-11-16 10:55:51,567 INFO L495 AbstractCegarLoop]: Abstraction has has 286 places, 283 transitions, 586 flow [2022-11-16 10:55:51,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:51,568 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:51,568 INFO L209 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, 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, 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] [2022-11-16 10:55:51,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 10:55:51,568 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:51,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:51,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1176264538, now seen corresponding path program 1 times [2022-11-16 10:55:51,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:51,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710078805] [2022-11-16 10:55:51,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:51,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:51,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:51,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710078805] [2022-11-16 10:55:51,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710078805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:51,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:51,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:51,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206330441] [2022-11-16 10:55:51,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:51,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:51,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:51,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:51,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:51,635 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-16 10:55:51,636 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 283 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:51,636 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:51,636 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-16 10:55:51,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:51,799 INFO L130 PetriNetUnfolder]: 83/586 cut-off events. [2022-11-16 10:55:51,799 INFO L131 PetriNetUnfolder]: For 57/67 co-relation queries the response was YES. [2022-11-16 10:55:51,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 779 conditions, 586 events. 83/586 cut-off events. For 57/67 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2062 event pairs, 38 based on Foata normal form. 0/502 useless extension candidates. Maximal degree in co-relation 708. Up to 123 conditions per place. [2022-11-16 10:55:51,804 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 16 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2022-11-16 10:55:51,804 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 282 transitions, 620 flow [2022-11-16 10:55:51,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:51,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2022-11-16 10:55:51,807 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8141197497765862 [2022-11-16 10:55:51,807 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 911 transitions. [2022-11-16 10:55:51,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 911 transitions. [2022-11-16 10:55:51,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:51,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 911 transitions. [2022-11-16 10:55:51,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 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) [2022-11-16 10:55:51,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:51,813 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:51,813 INFO L175 Difference]: Start difference. First operand has 286 places, 283 transitions, 586 flow. Second operand 3 states and 911 transitions. [2022-11-16 10:55:51,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 282 transitions, 620 flow [2022-11-16 10:55:51,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 282 transitions, 619 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 10:55:51,818 INFO L231 Difference]: Finished difference. Result has 286 places, 282 transitions, 587 flow [2022-11-16 10:55:51,819 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=583, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=587, PETRI_PLACES=286, PETRI_TRANSITIONS=282} [2022-11-16 10:55:51,819 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -57 predicate places. [2022-11-16 10:55:51,820 INFO L495 AbstractCegarLoop]: Abstraction has has 286 places, 282 transitions, 587 flow [2022-11-16 10:55:51,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:51,820 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:51,820 INFO L209 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, 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, 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] [2022-11-16 10:55:51,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 10:55:51,821 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:51,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:51,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1585396559, now seen corresponding path program 1 times [2022-11-16 10:55:51,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:51,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460071158] [2022-11-16 10:55:51,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:51,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:52,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:52,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460071158] [2022-11-16 10:55:52,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460071158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:52,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:52,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:55:52,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337297410] [2022-11-16 10:55:52,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:52,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 10:55:52,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:52,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:55:52,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:55:52,399 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 373 [2022-11-16 10:55:52,401 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 282 transitions, 587 flow. Second operand has 6 states, 6 states have (on average 253.83333333333334) internal successors, (1523), 6 states have internal predecessors, (1523), 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) [2022-11-16 10:55:52,401 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:52,401 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 373 [2022-11-16 10:55:52,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:52,928 INFO L130 PetriNetUnfolder]: 527/1312 cut-off events. [2022-11-16 10:55:52,928 INFO L131 PetriNetUnfolder]: For 300/300 co-relation queries the response was YES. [2022-11-16 10:55:52,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2386 conditions, 1312 events. 527/1312 cut-off events. For 300/300 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 6485 event pairs, 284 based on Foata normal form. 0/1069 useless extension candidates. Maximal degree in co-relation 2316. Up to 742 conditions per place. [2022-11-16 10:55:52,941 INFO L137 encePairwiseOnDemand]: 361/373 looper letters, 53 selfloop transitions, 10 changer transitions 0/280 dead transitions. [2022-11-16 10:55:52,941 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 280 transitions, 709 flow [2022-11-16 10:55:52,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 10:55:52,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 10:55:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1575 transitions. [2022-11-16 10:55:52,945 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7037533512064343 [2022-11-16 10:55:52,945 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1575 transitions. [2022-11-16 10:55:52,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1575 transitions. [2022-11-16 10:55:52,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:52,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1575 transitions. [2022-11-16 10:55:52,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 262.5) internal successors, (1575), 6 states have internal predecessors, (1575), 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) [2022-11-16 10:55:52,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-11-16 10:55:52,955 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-11-16 10:55:52,955 INFO L175 Difference]: Start difference. First operand has 286 places, 282 transitions, 587 flow. Second operand 6 states and 1575 transitions. [2022-11-16 10:55:52,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 280 transitions, 709 flow [2022-11-16 10:55:52,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 280 transitions, 705 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 10:55:52,960 INFO L231 Difference]: Finished difference. Result has 287 places, 280 transitions, 599 flow [2022-11-16 10:55:52,961 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=579, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=599, PETRI_PLACES=287, PETRI_TRANSITIONS=280} [2022-11-16 10:55:52,962 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -56 predicate places. [2022-11-16 10:55:52,962 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 280 transitions, 599 flow [2022-11-16 10:55:52,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 253.83333333333334) internal successors, (1523), 6 states have internal predecessors, (1523), 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) [2022-11-16 10:55:52,963 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:52,963 INFO L209 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, 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, 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, 1, 1, 1] [2022-11-16 10:55:52,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 10:55:52,963 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:52,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:52,964 INFO L85 PathProgramCache]: Analyzing trace with hash 246561532, now seen corresponding path program 1 times [2022-11-16 10:55:52,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:52,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822240164] [2022-11-16 10:55:52,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:52,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:53,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:53,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:53,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822240164] [2022-11-16 10:55:53,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822240164] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:53,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:53,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:53,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118502703] [2022-11-16 10:55:53,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:53,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:53,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:53,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:53,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:53,013 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-11-16 10:55:53,014 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 280 transitions, 599 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-11-16 10:55:53,014 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:53,014 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-11-16 10:55:53,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:53,168 INFO L130 PetriNetUnfolder]: 83/583 cut-off events. [2022-11-16 10:55:53,168 INFO L131 PetriNetUnfolder]: For 57/67 co-relation queries the response was YES. [2022-11-16 10:55:53,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 789 conditions, 583 events. 83/583 cut-off events. For 57/67 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2050 event pairs, 38 based on Foata normal form. 0/502 useless extension candidates. Maximal degree in co-relation 754. Up to 126 conditions per place. [2022-11-16 10:55:53,173 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 19 selfloop transitions, 2 changer transitions 0/279 dead transitions. [2022-11-16 10:55:53,173 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 279 transitions, 639 flow [2022-11-16 10:55:53,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:53,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:53,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2022-11-16 10:55:53,176 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.80875781948168 [2022-11-16 10:55:53,176 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 905 transitions. [2022-11-16 10:55:53,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 905 transitions. [2022-11-16 10:55:53,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:53,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 905 transitions. [2022-11-16 10:55:53,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 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) [2022-11-16 10:55:53,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:53,181 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:53,181 INFO L175 Difference]: Start difference. First operand has 287 places, 280 transitions, 599 flow. Second operand 3 states and 905 transitions. [2022-11-16 10:55:53,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 279 transitions, 639 flow [2022-11-16 10:55:53,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 279 transitions, 619 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 10:55:53,187 INFO L231 Difference]: Finished difference. Result has 283 places, 279 transitions, 581 flow [2022-11-16 10:55:53,188 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=581, PETRI_PLACES=283, PETRI_TRANSITIONS=279} [2022-11-16 10:55:53,188 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -60 predicate places. [2022-11-16 10:55:53,188 INFO L495 AbstractCegarLoop]: Abstraction has has 283 places, 279 transitions, 581 flow [2022-11-16 10:55:53,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-11-16 10:55:53,189 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:53,189 INFO L209 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, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:53,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 10:55:53,190 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:53,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:53,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1489557729, now seen corresponding path program 1 times [2022-11-16 10:55:53,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:53,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351636848] [2022-11-16 10:55:53,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:53,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:53,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:53,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:53,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351636848] [2022-11-16 10:55:53,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351636848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:53,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:53,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:53,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92738216] [2022-11-16 10:55:53,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:53,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:53,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:53,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:53,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:53,236 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-16 10:55:53,237 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 279 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:53,237 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:53,237 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-16 10:55:53,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:53,432 INFO L130 PetriNetUnfolder]: 83/582 cut-off events. [2022-11-16 10:55:53,433 INFO L131 PetriNetUnfolder]: For 58/68 co-relation queries the response was YES. [2022-11-16 10:55:53,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 776 conditions, 582 events. 83/582 cut-off events. For 58/68 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2043 event pairs, 38 based on Foata normal form. 0/502 useless extension candidates. Maximal degree in co-relation 706. Up to 121 conditions per place. [2022-11-16 10:55:53,438 INFO L137 encePairwiseOnDemand]: 371/373 looper letters, 16 selfloop transitions, 1 changer transitions 0/278 dead transitions. [2022-11-16 10:55:53,438 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 278 transitions, 613 flow [2022-11-16 10:55:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:53,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:53,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2022-11-16 10:55:53,442 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8132260947274352 [2022-11-16 10:55:53,442 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 910 transitions. [2022-11-16 10:55:53,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 910 transitions. [2022-11-16 10:55:53,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:53,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 910 transitions. [2022-11-16 10:55:53,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 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) [2022-11-16 10:55:53,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:53,457 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:53,457 INFO L175 Difference]: Start difference. First operand has 283 places, 279 transitions, 581 flow. Second operand 3 states and 910 transitions. [2022-11-16 10:55:53,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 278 transitions, 613 flow [2022-11-16 10:55:53,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 278 transitions, 609 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 10:55:53,463 INFO L231 Difference]: Finished difference. Result has 282 places, 278 transitions, 577 flow [2022-11-16 10:55:53,464 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=282, PETRI_TRANSITIONS=278} [2022-11-16 10:55:53,466 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -61 predicate places. [2022-11-16 10:55:53,466 INFO L495 AbstractCegarLoop]: Abstraction has has 282 places, 278 transitions, 577 flow [2022-11-16 10:55:53,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:53,467 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:53,467 INFO L209 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, 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, 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, 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, 1, 1, 1, 1] [2022-11-16 10:55:53,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 10:55:53,467 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:53,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:53,468 INFO L85 PathProgramCache]: Analyzing trace with hash -884382095, now seen corresponding path program 1 times [2022-11-16 10:55:53,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:53,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843228713] [2022-11-16 10:55:53,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:53,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:53,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:53,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843228713] [2022-11-16 10:55:53,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843228713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:53,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:53,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:53,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458200802] [2022-11-16 10:55:53,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:53,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:53,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:53,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:53,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:53,543 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-11-16 10:55:53,545 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 278 transitions, 577 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:53,545 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:53,545 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-11-16 10:55:53,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:53,706 INFO L130 PetriNetUnfolder]: 83/581 cut-off events. [2022-11-16 10:55:53,706 INFO L131 PetriNetUnfolder]: For 57/67 co-relation queries the response was YES. [2022-11-16 10:55:53,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 775 conditions, 581 events. 83/581 cut-off events. For 57/67 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2041 event pairs, 38 based on Foata normal form. 0/502 useless extension candidates. Maximal degree in co-relation 704. Up to 123 conditions per place. [2022-11-16 10:55:53,711 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 16 selfloop transitions, 2 changer transitions 0/277 dead transitions. [2022-11-16 10:55:53,712 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 277 transitions, 611 flow [2022-11-16 10:55:53,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:53,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2022-11-16 10:55:53,715 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8141197497765862 [2022-11-16 10:55:53,715 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 911 transitions. [2022-11-16 10:55:53,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 911 transitions. [2022-11-16 10:55:53,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:53,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 911 transitions. [2022-11-16 10:55:53,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 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) [2022-11-16 10:55:53,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:53,721 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:53,722 INFO L175 Difference]: Start difference. First operand has 282 places, 278 transitions, 577 flow. Second operand 3 states and 911 transitions. [2022-11-16 10:55:53,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 277 transitions, 611 flow [2022-11-16 10:55:53,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 277 transitions, 610 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 10:55:53,729 INFO L231 Difference]: Finished difference. Result has 282 places, 277 transitions, 578 flow [2022-11-16 10:55:53,730 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=578, PETRI_PLACES=282, PETRI_TRANSITIONS=277} [2022-11-16 10:55:53,731 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -61 predicate places. [2022-11-16 10:55:53,731 INFO L495 AbstractCegarLoop]: Abstraction has has 282 places, 277 transitions, 578 flow [2022-11-16 10:55:53,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-11-16 10:55:53,732 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:53,733 INFO L209 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:53,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 10:55:53,733 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:53,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:53,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1527267082, now seen corresponding path program 1 times [2022-11-16 10:55:53,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:53,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990426852] [2022-11-16 10:55:53,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:53,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:53,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:53,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:53,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990426852] [2022-11-16 10:55:53,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990426852] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:53,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:53,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:53,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899417362] [2022-11-16 10:55:53,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:53,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:53,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:53,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:53,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:53,800 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 373 [2022-11-16 10:55:53,801 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 277 transitions, 578 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2022-11-16 10:55:53,801 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:53,801 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 373 [2022-11-16 10:55:53,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:54,014 INFO L130 PetriNetUnfolder]: 131/769 cut-off events. [2022-11-16 10:55:54,015 INFO L131 PetriNetUnfolder]: For 93/116 co-relation queries the response was YES. [2022-11-16 10:55:54,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1094 conditions, 769 events. 131/769 cut-off events. For 93/116 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3594 event pairs, 77 based on Foata normal form. 0/650 useless extension candidates. Maximal degree in co-relation 1023. Up to 204 conditions per place. [2022-11-16 10:55:54,021 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 22 selfloop transitions, 2 changer transitions 0/276 dead transitions. [2022-11-16 10:55:54,021 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 276 transitions, 624 flow [2022-11-16 10:55:54,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:54,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:54,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 899 transitions. [2022-11-16 10:55:54,025 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.803395889186774 [2022-11-16 10:55:54,025 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 899 transitions. [2022-11-16 10:55:54,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 899 transitions. [2022-11-16 10:55:54,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:54,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 899 transitions. [2022-11-16 10:55:54,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 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) [2022-11-16 10:55:54,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:54,031 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:54,031 INFO L175 Difference]: Start difference. First operand has 282 places, 277 transitions, 578 flow. Second operand 3 states and 899 transitions. [2022-11-16 10:55:54,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 276 transitions, 624 flow [2022-11-16 10:55:54,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 276 transitions, 620 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 10:55:54,037 INFO L231 Difference]: Finished difference. Result has 281 places, 276 transitions, 576 flow [2022-11-16 10:55:54,038 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=281, PETRI_TRANSITIONS=276} [2022-11-16 10:55:54,038 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -62 predicate places. [2022-11-16 10:55:54,039 INFO L495 AbstractCegarLoop]: Abstraction has has 281 places, 276 transitions, 576 flow [2022-11-16 10:55:54,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2022-11-16 10:55:54,039 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:54,039 INFO L209 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:54,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 10:55:54,040 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:54,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:54,040 INFO L85 PathProgramCache]: Analyzing trace with hash 299187143, now seen corresponding path program 1 times [2022-11-16 10:55:54,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:54,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126142809] [2022-11-16 10:55:54,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:54,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:54,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:54,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126142809] [2022-11-16 10:55:54,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126142809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:54,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:54,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:54,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26623689] [2022-11-16 10:55:54,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:54,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:54,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:54,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:54,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:54,117 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-11-16 10:55:54,119 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 276 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-11-16 10:55:54,119 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:54,119 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-11-16 10:55:54,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:54,290 INFO L130 PetriNetUnfolder]: 112/697 cut-off events. [2022-11-16 10:55:54,290 INFO L131 PetriNetUnfolder]: For 82/101 co-relation queries the response was YES. [2022-11-16 10:55:54,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 973 conditions, 697 events. 112/697 cut-off events. For 82/101 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3020 event pairs, 64 based on Foata normal form. 0/603 useless extension candidates. Maximal degree in co-relation 903. Up to 170 conditions per place. [2022-11-16 10:55:54,296 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 18 selfloop transitions, 1 changer transitions 0/274 dead transitions. [2022-11-16 10:55:54,296 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 274 transitions, 610 flow [2022-11-16 10:55:54,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:54,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:54,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2022-11-16 10:55:54,300 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8078641644325291 [2022-11-16 10:55:54,300 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 904 transitions. [2022-11-16 10:55:54,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 904 transitions. [2022-11-16 10:55:54,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:54,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 904 transitions. [2022-11-16 10:55:54,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 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) [2022-11-16 10:55:54,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:54,305 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:54,306 INFO L175 Difference]: Start difference. First operand has 281 places, 276 transitions, 576 flow. Second operand 3 states and 904 transitions. [2022-11-16 10:55:54,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 274 transitions, 610 flow [2022-11-16 10:55:54,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 274 transitions, 606 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 10:55:54,313 INFO L231 Difference]: Finished difference. Result has 279 places, 274 transitions, 570 flow [2022-11-16 10:55:54,314 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=279, PETRI_TRANSITIONS=274} [2022-11-16 10:55:54,314 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -64 predicate places. [2022-11-16 10:55:54,314 INFO L495 AbstractCegarLoop]: Abstraction has has 279 places, 274 transitions, 570 flow [2022-11-16 10:55:54,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-11-16 10:55:54,315 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:54,315 INFO L209 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, 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, 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, 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, 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, 1, 1, 1, 1, 1] [2022-11-16 10:55:54,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 10:55:54,316 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:54,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:54,317 INFO L85 PathProgramCache]: Analyzing trace with hash -851546042, now seen corresponding path program 1 times [2022-11-16 10:55:54,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:54,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24031376] [2022-11-16 10:55:54,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:54,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:54,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:54,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:54,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24031376] [2022-11-16 10:55:54,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24031376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:54,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:54,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:54,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345794124] [2022-11-16 10:55:54,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:54,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:54,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:54,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:54,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:54,438 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-11-16 10:55:54,439 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 274 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 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) [2022-11-16 10:55:54,439 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:54,440 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-11-16 10:55:54,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:54,650 INFO L130 PetriNetUnfolder]: 208/687 cut-off events. [2022-11-16 10:55:54,650 INFO L131 PetriNetUnfolder]: For 107/120 co-relation queries the response was YES. [2022-11-16 10:55:54,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1114 conditions, 687 events. 208/687 cut-off events. For 107/120 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2579 event pairs, 83 based on Foata normal form. 1/624 useless extension candidates. Maximal degree in co-relation 1044. Up to 228 conditions per place. [2022-11-16 10:55:54,657 INFO L137 encePairwiseOnDemand]: 368/373 looper letters, 23 selfloop transitions, 3 changer transitions 0/278 dead transitions. [2022-11-16 10:55:54,657 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 278 transitions, 636 flow [2022-11-16 10:55:54,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:54,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:54,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2022-11-16 10:55:54,660 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8132260947274352 [2022-11-16 10:55:54,660 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 910 transitions. [2022-11-16 10:55:54,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 910 transitions. [2022-11-16 10:55:54,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:54,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 910 transitions. [2022-11-16 10:55:54,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 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) [2022-11-16 10:55:54,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:54,665 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:54,666 INFO L175 Difference]: Start difference. First operand has 279 places, 274 transitions, 570 flow. Second operand 3 states and 910 transitions. [2022-11-16 10:55:54,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 278 transitions, 636 flow [2022-11-16 10:55:54,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 278 transitions, 635 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 10:55:54,685 INFO L231 Difference]: Finished difference. Result has 278 places, 272 transitions, 571 flow [2022-11-16 10:55:54,686 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=571, PETRI_PLACES=278, PETRI_TRANSITIONS=272} [2022-11-16 10:55:54,686 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -65 predicate places. [2022-11-16 10:55:54,689 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 272 transitions, 571 flow [2022-11-16 10:55:54,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 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) [2022-11-16 10:55:54,689 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:54,689 INFO L209 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:54,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 10:55:54,690 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:54,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:54,691 INFO L85 PathProgramCache]: Analyzing trace with hash 792815945, now seen corresponding path program 1 times [2022-11-16 10:55:54,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:54,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121077510] [2022-11-16 10:55:54,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:54,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:54,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:54,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:54,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121077510] [2022-11-16 10:55:54,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121077510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:54,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:54,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:54,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258296408] [2022-11-16 10:55:54,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:54,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:54,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:54,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:54,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:54,785 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 373 [2022-11-16 10:55:54,786 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 272 transitions, 571 flow. Second operand has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 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) [2022-11-16 10:55:54,786 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:54,786 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 373 [2022-11-16 10:55:54,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:54,996 INFO L130 PetriNetUnfolder]: 233/701 cut-off events. [2022-11-16 10:55:54,996 INFO L131 PetriNetUnfolder]: For 118/132 co-relation queries the response was YES. [2022-11-16 10:55:54,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1198 conditions, 701 events. 233/701 cut-off events. For 118/132 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2629 event pairs, 98 based on Foata normal form. 0/639 useless extension candidates. Maximal degree in co-relation 1128. Up to 266 conditions per place. [2022-11-16 10:55:55,007 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 25 selfloop transitions, 2 changer transitions 0/277 dead transitions. [2022-11-16 10:55:55,007 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 277 transitions, 641 flow [2022-11-16 10:55:55,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:55,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2022-11-16 10:55:55,010 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8078641644325291 [2022-11-16 10:55:55,010 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 904 transitions. [2022-11-16 10:55:55,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 904 transitions. [2022-11-16 10:55:55,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:55,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 904 transitions. [2022-11-16 10:55:55,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 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) [2022-11-16 10:55:55,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:55,015 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:55,015 INFO L175 Difference]: Start difference. First operand has 278 places, 272 transitions, 571 flow. Second operand 3 states and 904 transitions. [2022-11-16 10:55:55,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 277 transitions, 641 flow [2022-11-16 10:55:55,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 277 transitions, 635 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 10:55:55,021 INFO L231 Difference]: Finished difference. Result has 277 places, 271 transitions, 567 flow [2022-11-16 10:55:55,021 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=567, PETRI_PLACES=277, PETRI_TRANSITIONS=271} [2022-11-16 10:55:55,022 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -66 predicate places. [2022-11-16 10:55:55,022 INFO L495 AbstractCegarLoop]: Abstraction has has 277 places, 271 transitions, 567 flow [2022-11-16 10:55:55,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 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) [2022-11-16 10:55:55,022 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:55,023 INFO L209 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:55,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 10:55:55,023 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:55,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:55,024 INFO L85 PathProgramCache]: Analyzing trace with hash 813288473, now seen corresponding path program 1 times [2022-11-16 10:55:55,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:55,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870294390] [2022-11-16 10:55:55,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:55,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:55,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:55,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870294390] [2022-11-16 10:55:55,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870294390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:55,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:55,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:55,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101012519] [2022-11-16 10:55:55,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:55,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:55,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:55,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:55,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:55,094 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-11-16 10:55:55,095 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 271 transitions, 567 flow. Second operand has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 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) [2022-11-16 10:55:55,095 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:55,095 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-11-16 10:55:55,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:55,350 INFO L130 PetriNetUnfolder]: 223/845 cut-off events. [2022-11-16 10:55:55,351 INFO L131 PetriNetUnfolder]: For 117/132 co-relation queries the response was YES. [2022-11-16 10:55:55,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1303 conditions, 845 events. 223/845 cut-off events. For 117/132 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 3838 event pairs, 92 based on Foata normal form. 2/753 useless extension candidates. Maximal degree in co-relation 1233. Up to 243 conditions per place. [2022-11-16 10:55:55,357 INFO L137 encePairwiseOnDemand]: 368/373 looper letters, 22 selfloop transitions, 2 changer transitions 5/276 dead transitions. [2022-11-16 10:55:55,357 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 276 transitions, 635 flow [2022-11-16 10:55:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:55,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2022-11-16 10:55:55,360 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8132260947274352 [2022-11-16 10:55:55,360 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 910 transitions. [2022-11-16 10:55:55,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 910 transitions. [2022-11-16 10:55:55,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:55,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 910 transitions. [2022-11-16 10:55:55,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 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) [2022-11-16 10:55:55,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:55,365 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:55,365 INFO L175 Difference]: Start difference. First operand has 277 places, 271 transitions, 567 flow. Second operand 3 states and 910 transitions. [2022-11-16 10:55:55,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 276 transitions, 635 flow [2022-11-16 10:55:55,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 276 transitions, 631 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 10:55:55,371 INFO L231 Difference]: Finished difference. Result has 275 places, 264 transitions, 552 flow [2022-11-16 10:55:55,372 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=559, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=275, PETRI_TRANSITIONS=264} [2022-11-16 10:55:55,372 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -68 predicate places. [2022-11-16 10:55:55,373 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 264 transitions, 552 flow [2022-11-16 10:55:55,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 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) [2022-11-16 10:55:55,373 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:55,373 INFO L209 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:55,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 10:55:55,374 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:55,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:55,374 INFO L85 PathProgramCache]: Analyzing trace with hash 198210680, now seen corresponding path program 1 times [2022-11-16 10:55:55,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:55,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142793534] [2022-11-16 10:55:55,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:55,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:56,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:56,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:56,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142793534] [2022-11-16 10:55:56,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142793534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:56,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:56,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:55:56,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132162545] [2022-11-16 10:55:56,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:56,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 10:55:56,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:56,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:55:56,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:55:56,009 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 373 [2022-11-16 10:55:56,011 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 264 transitions, 552 flow. Second operand has 6 states, 6 states have (on average 270.0) internal successors, (1620), 6 states have internal predecessors, (1620), 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) [2022-11-16 10:55:56,011 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:56,011 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 373 [2022-11-16 10:55:56,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:56,809 INFO L130 PetriNetUnfolder]: 527/1259 cut-off events. [2022-11-16 10:55:56,809 INFO L131 PetriNetUnfolder]: For 300/300 co-relation queries the response was YES. [2022-11-16 10:55:56,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2333 conditions, 1259 events. 527/1259 cut-off events. For 300/300 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 5997 event pairs, 63 based on Foata normal form. 0/1137 useless extension candidates. Maximal degree in co-relation 2261. Up to 310 conditions per place. [2022-11-16 10:55:56,821 INFO L137 encePairwiseOnDemand]: 368/373 looper letters, 67 selfloop transitions, 4 changer transitions 0/291 dead transitions. [2022-11-16 10:55:56,822 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 291 transitions, 780 flow [2022-11-16 10:55:56,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 10:55:56,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 10:55:56,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1670 transitions. [2022-11-16 10:55:56,826 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7462019660411081 [2022-11-16 10:55:56,826 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1670 transitions. [2022-11-16 10:55:56,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1670 transitions. [2022-11-16 10:55:56,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:56,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1670 transitions. [2022-11-16 10:55:56,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 278.3333333333333) internal successors, (1670), 6 states have internal predecessors, (1670), 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) [2022-11-16 10:55:56,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-11-16 10:55:56,840 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-11-16 10:55:56,840 INFO L175 Difference]: Start difference. First operand has 275 places, 264 transitions, 552 flow. Second operand 6 states and 1670 transitions. [2022-11-16 10:55:56,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 291 transitions, 780 flow [2022-11-16 10:55:56,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 291 transitions, 776 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 10:55:56,846 INFO L231 Difference]: Finished difference. Result has 272 places, 263 transitions, 554 flow [2022-11-16 10:55:56,846 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=554, PETRI_PLACES=272, PETRI_TRANSITIONS=263} [2022-11-16 10:55:56,847 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -71 predicate places. [2022-11-16 10:55:56,847 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 263 transitions, 554 flow [2022-11-16 10:55:56,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 270.0) internal successors, (1620), 6 states have internal predecessors, (1620), 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) [2022-11-16 10:55:56,848 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:56,848 INFO L209 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:56,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 10:55:56,849 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:56,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:56,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1962816868, now seen corresponding path program 1 times [2022-11-16 10:55:56,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:56,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663659870] [2022-11-16 10:55:56,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:56,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:56,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:56,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:56,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663659870] [2022-11-16 10:55:56,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663659870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:56,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:56,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:56,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939760604] [2022-11-16 10:55:56,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:56,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:56,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:56,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:56,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:56,937 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 373 [2022-11-16 10:55:56,938 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 263 transitions, 554 flow. Second operand has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 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) [2022-11-16 10:55:56,938 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:56,938 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 373 [2022-11-16 10:55:56,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:57,194 INFO L130 PetriNetUnfolder]: 251/854 cut-off events. [2022-11-16 10:55:57,195 INFO L131 PetriNetUnfolder]: For 128/144 co-relation queries the response was YES. [2022-11-16 10:55:57,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1341 conditions, 854 events. 251/854 cut-off events. For 128/144 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3968 event pairs, 110 based on Foata normal form. 0/766 useless extension candidates. Maximal degree in co-relation 1271. Up to 283 conditions per place. [2022-11-16 10:55:57,209 INFO L137 encePairwiseOnDemand]: 370/373 looper letters, 23 selfloop transitions, 2 changer transitions 0/269 dead transitions. [2022-11-16 10:55:57,209 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 269 transitions, 622 flow [2022-11-16 10:55:57,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 10:55:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2022-11-16 10:55:57,212 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8060768543342269 [2022-11-16 10:55:57,212 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 902 transitions. [2022-11-16 10:55:57,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 902 transitions. [2022-11-16 10:55:57,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:57,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 902 transitions. [2022-11-16 10:55:57,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.6666666666667) internal successors, (902), 3 states have internal predecessors, (902), 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) [2022-11-16 10:55:57,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:57,217 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-11-16 10:55:57,217 INFO L175 Difference]: Start difference. First operand has 272 places, 263 transitions, 554 flow. Second operand 3 states and 902 transitions. [2022-11-16 10:55:57,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 269 transitions, 622 flow [2022-11-16 10:55:57,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 269 transitions, 615 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 10:55:57,223 INFO L231 Difference]: Finished difference. Result has 269 places, 262 transitions, 549 flow [2022-11-16 10:55:57,223 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=545, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=549, PETRI_PLACES=269, PETRI_TRANSITIONS=262} [2022-11-16 10:55:57,224 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -74 predicate places. [2022-11-16 10:55:57,224 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 262 transitions, 549 flow [2022-11-16 10:55:57,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 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) [2022-11-16 10:55:57,225 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:57,225 INFO L209 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, 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, 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, 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, 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, 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] [2022-11-16 10:55:57,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 10:55:57,225 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:57,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:57,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1375843684, now seen corresponding path program 1 times [2022-11-16 10:55:57,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:57,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845080179] [2022-11-16 10:55:57,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:57,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:57,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:57,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845080179] [2022-11-16 10:55:57,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845080179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:57,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:57,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:55:57,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405795584] [2022-11-16 10:55:57,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:57,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 10:55:57,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:57,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:55:57,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:55:57,896 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 373 [2022-11-16 10:55:57,898 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 262 transitions, 549 flow. Second operand has 6 states, 6 states have (on average 271.1666666666667) internal successors, (1627), 6 states have internal predecessors, (1627), 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) [2022-11-16 10:55:57,898 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:57,898 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 373 [2022-11-16 10:55:57,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:58,446 INFO L130 PetriNetUnfolder]: 471/1184 cut-off events. [2022-11-16 10:55:58,446 INFO L131 PetriNetUnfolder]: For 270/270 co-relation queries the response was YES. [2022-11-16 10:55:58,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2178 conditions, 1184 events. 471/1184 cut-off events. For 270/270 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5620 event pairs, 211 based on Foata normal form. 0/1062 useless extension candidates. Maximal degree in co-relation 2106. Up to 542 conditions per place. [2022-11-16 10:55:58,456 INFO L137 encePairwiseOnDemand]: 368/373 looper letters, 57 selfloop transitions, 4 changer transitions 1/281 dead transitions. [2022-11-16 10:55:58,456 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 281 transitions, 743 flow [2022-11-16 10:55:58,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 10:55:58,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 10:55:58,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1661 transitions. [2022-11-16 10:55:58,461 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7421805183199285 [2022-11-16 10:55:58,461 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1661 transitions. [2022-11-16 10:55:58,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1661 transitions. [2022-11-16 10:55:58,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:58,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1661 transitions. [2022-11-16 10:55:58,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 276.8333333333333) internal successors, (1661), 6 states have internal predecessors, (1661), 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) [2022-11-16 10:55:58,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-11-16 10:55:58,471 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-11-16 10:55:58,471 INFO L175 Difference]: Start difference. First operand has 269 places, 262 transitions, 549 flow. Second operand 6 states and 1661 transitions. [2022-11-16 10:55:58,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 281 transitions, 743 flow [2022-11-16 10:55:58,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 281 transitions, 739 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 10:55:58,477 INFO L231 Difference]: Finished difference. Result has 271 places, 260 transitions, 549 flow [2022-11-16 10:55:58,477 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=543, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=549, PETRI_PLACES=271, PETRI_TRANSITIONS=260} [2022-11-16 10:55:58,478 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -72 predicate places. [2022-11-16 10:55:58,478 INFO L495 AbstractCegarLoop]: Abstraction has has 271 places, 260 transitions, 549 flow [2022-11-16 10:55:58,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 271.1666666666667) internal successors, (1627), 6 states have internal predecessors, (1627), 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) [2022-11-16 10:55:58,479 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 10:55:58,479 INFO L209 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:58,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 10:55:58,480 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-11-16 10:55:58,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:58,480 INFO L85 PathProgramCache]: Analyzing trace with hash 683648626, now seen corresponding path program 1 times [2022-11-16 10:55:58,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:58,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504028459] [2022-11-16 10:55:58,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:58,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:59,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:59,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:59,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504028459] [2022-11-16 10:55:59,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504028459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:59,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:59,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:55:59,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587698775] [2022-11-16 10:55:59,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:59,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 10:55:59,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:59,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:55:59,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:55:59,253 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 373 [2022-11-16 10:55:59,255 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 260 transitions, 549 flow. Second operand has 6 states, 6 states have (on average 272.5) internal successors, (1635), 6 states have internal predecessors, (1635), 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) [2022-11-16 10:55:59,255 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 10:55:59,255 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 373 [2022-11-16 10:55:59,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 10:55:59,689 INFO L130 PetriNetUnfolder]: 474/1223 cut-off events. [2022-11-16 10:55:59,690 INFO L131 PetriNetUnfolder]: For 270/270 co-relation queries the response was YES. [2022-11-16 10:55:59,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2212 conditions, 1223 events. 474/1223 cut-off events. For 270/270 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6056 event pairs, 251 based on Foata normal form. 2/1118 useless extension candidates. Maximal degree in co-relation 2140. Up to 645 conditions per place. [2022-11-16 10:55:59,695 INFO L137 encePairwiseOnDemand]: 368/373 looper letters, 0 selfloop transitions, 0 changer transitions 267/267 dead transitions. [2022-11-16 10:55:59,695 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 267 transitions, 675 flow [2022-11-16 10:55:59,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 10:55:59,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 10:55:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1651 transitions. [2022-11-16 10:55:59,699 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7377122430741734 [2022-11-16 10:55:59,699 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1651 transitions. [2022-11-16 10:55:59,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1651 transitions. [2022-11-16 10:55:59,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:55:59,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1651 transitions. [2022-11-16 10:55:59,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 275.1666666666667) internal successors, (1651), 6 states have internal predecessors, (1651), 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) [2022-11-16 10:55:59,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-11-16 10:55:59,708 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-11-16 10:55:59,708 INFO L175 Difference]: Start difference. First operand has 271 places, 260 transitions, 549 flow. Second operand 6 states and 1651 transitions. [2022-11-16 10:55:59,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 267 transitions, 675 flow [2022-11-16 10:55:59,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 267 transitions, 668 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 10:55:59,712 INFO L231 Difference]: Finished difference. Result has 270 places, 0 transitions, 0 flow [2022-11-16 10:55:59,712 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=270, PETRI_TRANSITIONS=0} [2022-11-16 10:55:59,712 INFO L288 CegarLoopForPetriNet]: 343 programPoint places, -73 predicate places. [2022-11-16 10:55:59,713 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 0 transitions, 0 flow [2022-11-16 10:55:59,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 272.5) internal successors, (1635), 6 states have internal predecessors, (1635), 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) [2022-11-16 10:55:59,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (121 of 122 remaining) [2022-11-16 10:55:59,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (120 of 122 remaining) [2022-11-16 10:55:59,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (119 of 122 remaining) [2022-11-16 10:55:59,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (118 of 122 remaining) [2022-11-16 10:55:59,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (117 of 122 remaining) [2022-11-16 10:55:59,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (116 of 122 remaining) [2022-11-16 10:55:59,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (115 of 122 remaining) [2022-11-16 10:55:59,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (114 of 122 remaining) [2022-11-16 10:55:59,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (113 of 122 remaining) [2022-11-16 10:55:59,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (112 of 122 remaining) [2022-11-16 10:55:59,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (111 of 122 remaining) [2022-11-16 10:55:59,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (110 of 122 remaining) [2022-11-16 10:55:59,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (109 of 122 remaining) [2022-11-16 10:55:59,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (108 of 122 remaining) [2022-11-16 10:55:59,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (107 of 122 remaining) [2022-11-16 10:55:59,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (106 of 122 remaining) [2022-11-16 10:55:59,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (105 of 122 remaining) [2022-11-16 10:55:59,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (104 of 122 remaining) [2022-11-16 10:55:59,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (103 of 122 remaining) [2022-11-16 10:55:59,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (102 of 122 remaining) [2022-11-16 10:55:59,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (101 of 122 remaining) [2022-11-16 10:55:59,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (100 of 122 remaining) [2022-11-16 10:55:59,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (99 of 122 remaining) [2022-11-16 10:55:59,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (98 of 122 remaining) [2022-11-16 10:55:59,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (97 of 122 remaining) [2022-11-16 10:55:59,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (96 of 122 remaining) [2022-11-16 10:55:59,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (95 of 122 remaining) [2022-11-16 10:55:59,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (94 of 122 remaining) [2022-11-16 10:55:59,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (93 of 122 remaining) [2022-11-16 10:55:59,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (92 of 122 remaining) [2022-11-16 10:55:59,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (91 of 122 remaining) [2022-11-16 10:55:59,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (90 of 122 remaining) [2022-11-16 10:55:59,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (89 of 122 remaining) [2022-11-16 10:55:59,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (88 of 122 remaining) [2022-11-16 10:55:59,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (87 of 122 remaining) [2022-11-16 10:55:59,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (86 of 122 remaining) [2022-11-16 10:55:59,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (85 of 122 remaining) [2022-11-16 10:55:59,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (84 of 122 remaining) [2022-11-16 10:55:59,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (83 of 122 remaining) [2022-11-16 10:55:59,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (82 of 122 remaining) [2022-11-16 10:55:59,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (81 of 122 remaining) [2022-11-16 10:55:59,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (80 of 122 remaining) [2022-11-16 10:55:59,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (79 of 122 remaining) [2022-11-16 10:55:59,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (78 of 122 remaining) [2022-11-16 10:55:59,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (77 of 122 remaining) [2022-11-16 10:55:59,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (76 of 122 remaining) [2022-11-16 10:55:59,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (75 of 122 remaining) [2022-11-16 10:55:59,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (74 of 122 remaining) [2022-11-16 10:55:59,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (73 of 122 remaining) [2022-11-16 10:55:59,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 122 remaining) [2022-11-16 10:55:59,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (71 of 122 remaining) [2022-11-16 10:55:59,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (70 of 122 remaining) [2022-11-16 10:55:59,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 122 remaining) [2022-11-16 10:55:59,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (68 of 122 remaining) [2022-11-16 10:55:59,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (67 of 122 remaining) [2022-11-16 10:55:59,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (66 of 122 remaining) [2022-11-16 10:55:59,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (65 of 122 remaining) [2022-11-16 10:55:59,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (64 of 122 remaining) [2022-11-16 10:55:59,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (63 of 122 remaining) [2022-11-16 10:55:59,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (62 of 122 remaining) [2022-11-16 10:55:59,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (61 of 122 remaining) [2022-11-16 10:55:59,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (60 of 122 remaining) [2022-11-16 10:55:59,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (59 of 122 remaining) [2022-11-16 10:55:59,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (58 of 122 remaining) [2022-11-16 10:55:59,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (57 of 122 remaining) [2022-11-16 10:55:59,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (56 of 122 remaining) [2022-11-16 10:55:59,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (55 of 122 remaining) [2022-11-16 10:55:59,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (54 of 122 remaining) [2022-11-16 10:55:59,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (53 of 122 remaining) [2022-11-16 10:55:59,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (52 of 122 remaining) [2022-11-16 10:55:59,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 122 remaining) [2022-11-16 10:55:59,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 122 remaining) [2022-11-16 10:55:59,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 122 remaining) [2022-11-16 10:55:59,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 122 remaining) [2022-11-16 10:55:59,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (47 of 122 remaining) [2022-11-16 10:55:59,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (46 of 122 remaining) [2022-11-16 10:55:59,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (45 of 122 remaining) [2022-11-16 10:55:59,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (44 of 122 remaining) [2022-11-16 10:55:59,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (43 of 122 remaining) [2022-11-16 10:55:59,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (42 of 122 remaining) [2022-11-16 10:55:59,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (41 of 122 remaining) [2022-11-16 10:55:59,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (40 of 122 remaining) [2022-11-16 10:55:59,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (39 of 122 remaining) [2022-11-16 10:55:59,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (38 of 122 remaining) [2022-11-16 10:55:59,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (37 of 122 remaining) [2022-11-16 10:55:59,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (36 of 122 remaining) [2022-11-16 10:55:59,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (35 of 122 remaining) [2022-11-16 10:55:59,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (34 of 122 remaining) [2022-11-16 10:55:59,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (33 of 122 remaining) [2022-11-16 10:55:59,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (32 of 122 remaining) [2022-11-16 10:55:59,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 122 remaining) [2022-11-16 10:55:59,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 122 remaining) [2022-11-16 10:55:59,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 122 remaining) [2022-11-16 10:55:59,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 122 remaining) [2022-11-16 10:55:59,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (27 of 122 remaining) [2022-11-16 10:55:59,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (26 of 122 remaining) [2022-11-16 10:55:59,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (25 of 122 remaining) [2022-11-16 10:55:59,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (24 of 122 remaining) [2022-11-16 10:55:59,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (23 of 122 remaining) [2022-11-16 10:55:59,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (22 of 122 remaining) [2022-11-16 10:55:59,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (21 of 122 remaining) [2022-11-16 10:55:59,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (20 of 122 remaining) [2022-11-16 10:55:59,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (19 of 122 remaining) [2022-11-16 10:55:59,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (18 of 122 remaining) [2022-11-16 10:55:59,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (17 of 122 remaining) [2022-11-16 10:55:59,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (16 of 122 remaining) [2022-11-16 10:55:59,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (15 of 122 remaining) [2022-11-16 10:55:59,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (14 of 122 remaining) [2022-11-16 10:55:59,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (13 of 122 remaining) [2022-11-16 10:55:59,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (12 of 122 remaining) [2022-11-16 10:55:59,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 122 remaining) [2022-11-16 10:55:59,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 122 remaining) [2022-11-16 10:55:59,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 122 remaining) [2022-11-16 10:55:59,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 122 remaining) [2022-11-16 10:55:59,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 122 remaining) [2022-11-16 10:55:59,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 122 remaining) [2022-11-16 10:55:59,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (5 of 122 remaining) [2022-11-16 10:55:59,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 122 remaining) [2022-11-16 10:55:59,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (3 of 122 remaining) [2022-11-16 10:55:59,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (2 of 122 remaining) [2022-11-16 10:55:59,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (1 of 122 remaining) [2022-11-16 10:55:59,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (0 of 122 remaining) [2022-11-16 10:55:59,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-16 10:55:59,741 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:59,749 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 10:55:59,749 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 10:55:59,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 10:55:59 BasicIcfg [2022-11-16 10:55:59,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 10:55:59,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 10:55:59,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 10:55:59,759 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 10:55:59,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:55:48" (3/4) ... [2022-11-16 10:55:59,762 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 10:55:59,767 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 10:55:59,768 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 10:55:59,768 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-16 10:55:59,780 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-16 10:55:59,781 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 10:55:59,781 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 10:55:59,782 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 10:55:59,842 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 10:55:59,842 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 10:55:59,843 INFO L158 Benchmark]: Toolchain (without parser) took 13720.83ms. Allocated memory was 138.4MB in the beginning and 455.1MB in the end (delta: 316.7MB). Free memory was 101.5MB in the beginning and 254.5MB in the end (delta: -153.0MB). Peak memory consumption was 162.9MB. Max. memory is 16.1GB. [2022-11-16 10:55:59,843 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory was 118.1MB in the beginning and 118.0MB in the end (delta: 82.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:55:59,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.26ms. Allocated memory is still 138.4MB. Free memory was 101.3MB in the beginning and 111.1MB in the end (delta: -9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 10:55:59,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.82ms. Allocated memory is still 138.4MB. Free memory was 111.1MB in the beginning and 107.5MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:55:59,844 INFO L158 Benchmark]: Boogie Preprocessor took 58.99ms. Allocated memory is still 138.4MB. Free memory was 107.5MB in the beginning and 104.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 10:55:59,845 INFO L158 Benchmark]: RCFGBuilder took 1708.32ms. Allocated memory is still 138.4MB. Free memory was 104.0MB in the beginning and 104.0MB in the end (delta: 12.6kB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2022-11-16 10:55:59,846 INFO L158 Benchmark]: TraceAbstraction took 11458.81ms. Allocated memory was 138.4MB in the beginning and 455.1MB in the end (delta: 316.7MB). Free memory was 103.2MB in the beginning and 259.7MB in the end (delta: -156.5MB). Peak memory consumption was 272.6MB. Max. memory is 16.1GB. [2022-11-16 10:55:59,846 INFO L158 Benchmark]: Witness Printer took 83.46ms. Allocated memory is still 455.1MB. Free memory was 259.7MB in the beginning and 254.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 10:55:59,849 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory was 118.1MB in the beginning and 118.0MB in the end (delta: 82.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.26ms. Allocated memory is still 138.4MB. Free memory was 101.3MB in the beginning and 111.1MB in the end (delta: -9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.82ms. Allocated memory is still 138.4MB. Free memory was 111.1MB in the beginning and 107.5MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.99ms. Allocated memory is still 138.4MB. Free memory was 107.5MB in the beginning and 104.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1708.32ms. Allocated memory is still 138.4MB. Free memory was 104.0MB in the beginning and 104.0MB in the end (delta: 12.6kB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * TraceAbstraction took 11458.81ms. Allocated memory was 138.4MB in the beginning and 455.1MB in the end (delta: 316.7MB). Free memory was 103.2MB in the beginning and 259.7MB in the end (delta: -156.5MB). Peak memory consumption was 272.6MB. Max. memory is 16.1GB. * Witness Printer took 83.46ms. Allocated memory is still 455.1MB. Free memory was 259.7MB in the beginning and 254.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 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: 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: 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: 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, 449 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: 11.2s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 894 IncrementalHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 194 mSDtfsCounter, 894 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=718occurred in iteration=0, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 2424 NumberOfCodeBlocks, 2424 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2402 ConstructedInterpolants, 0 QuantifiedInterpolants, 2796 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 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! [2022-11-16 10:55:59,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764a451b-eb67-4162-a648-f30a9bb354c1/bin/uautomizer-tPACEb0tL8/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