./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i --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_65e24eae-e085-43ab-b9a8-c14cc2eec966/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e24eae-e085-43ab-b9a8-c14cc2eec966/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_65e24eae-e085-43ab-b9a8-c14cc2eec966/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e24eae-e085-43ab-b9a8-c14cc2eec966/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e24eae-e085-43ab-b9a8-c14cc2eec966/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_65e24eae-e085-43ab-b9a8-c14cc2eec966/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 09d5acb2f81ee0994352651dad5f891cf0af6948836360f3240d2ea1a246e8a6 --- 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 12:47:42,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:47:42,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:47:42,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:47:42,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:47:42,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:47:42,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:47:42,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:47:42,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:47:42,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:47:42,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:47:42,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:47:42,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:47:42,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:47:42,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:47:42,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:47:42,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:47:42,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:47:42,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:47:42,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:47:42,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:47:42,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:47:42,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:47:42,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:47:42,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:47:42,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:47:42,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:47:42,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:47:42,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:47:42,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:47:42,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:47:42,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:47:42,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:47:42,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:47:42,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:47:42,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:47:42,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:47:42,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:47:42,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:47:42,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:47:42,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:47:42,792 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e24eae-e085-43ab-b9a8-c14cc2eec966/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:47:42,834 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:47:42,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:47:42,838 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:47:42,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:47:42,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:47:42,840 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:47:42,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:47:42,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:47:42,841 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:47:42,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:47:42,843 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:47:42,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:47:42,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:47:42,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:47:42,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:47:42,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:47:42,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:47:42,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:47:42,845 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:47:42,845 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:47:42,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:47:42,845 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:47:42,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:47:42,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:47:42,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:47:42,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:47:42,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:47:42,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:47:42,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:47:42,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:47:42,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:47:42,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:47:42,848 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:47:42,849 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:47:42,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:47:42,849 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_65e24eae-e085-43ab-b9a8-c14cc2eec966/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e24eae-e085-43ab-b9a8-c14cc2eec966/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09d5acb2f81ee0994352651dad5f891cf0af6948836360f3240d2ea1a246e8a6 [2022-11-16 12:47:43,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:47:43,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:47:43,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:47:43,241 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:47:43,242 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:47:43,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e24eae-e085-43ab-b9a8-c14cc2eec966/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i [2022-11-16 12:47:43,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e24eae-e085-43ab-b9a8-c14cc2eec966/bin/uautomizer-tPACEb0tL8/data/ac6ee3996/14bc5c14e1a845fd86334211da84ac83/FLAGd2c7a1d4f [2022-11-16 12:47:43,900 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:47:43,901 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e24eae-e085-43ab-b9a8-c14cc2eec966/sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i [2022-11-16 12:47:43,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e24eae-e085-43ab-b9a8-c14cc2eec966/bin/uautomizer-tPACEb0tL8/data/ac6ee3996/14bc5c14e1a845fd86334211da84ac83/FLAGd2c7a1d4f [2022-11-16 12:47:44,192 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e24eae-e085-43ab-b9a8-c14cc2eec966/bin/uautomizer-tPACEb0tL8/data/ac6ee3996/14bc5c14e1a845fd86334211da84ac83 [2022-11-16 12:47:44,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:47:44,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:47:44,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:47:44,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:47:44,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:47:44,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:47:44" (1/1) ... [2022-11-16 12:47:44,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2902bf89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:44, skipping insertion in model container [2022-11-16 12:47:44,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:47:44" (1/1) ... [2022-11-16 12:47:44,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:47:44,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:47:44,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:47:44,963 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:47:45,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:47:45,085 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:47:45,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:45 WrapperNode [2022-11-16 12:47:45,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:47:45,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:47:45,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:47:45,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:47:45,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:45" (1/1) ... [2022-11-16 12:47:45,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:45" (1/1) ... [2022-11-16 12:47:45,160 INFO L138 Inliner]: procedures = 263, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-11-16 12:47:45,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:47:45,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:47:45,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:47:45,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:47:45,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:45" (1/1) ... [2022-11-16 12:47:45,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:45" (1/1) ... [2022-11-16 12:47:45,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:45" (1/1) ... [2022-11-16 12:47:45,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:45" (1/1) ... [2022-11-16 12:47:45,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:45" (1/1) ... [2022-11-16 12:47:45,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:45" (1/1) ... [2022-11-16 12:47:45,211 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:45" (1/1) ... [2022-11-16 12:47:45,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:45" (1/1) ... [2022-11-16 12:47:45,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:47:45,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:47:45,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:47:45,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:47:45,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:45" (1/1) ... [2022-11-16 12:47:45,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:47:45,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e24eae-e085-43ab-b9a8-c14cc2eec966/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:47:45,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e24eae-e085-43ab-b9a8-c14cc2eec966/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:47:45,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e24eae-e085-43ab-b9a8-c14cc2eec966/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:47:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:47:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:47:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:47:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:47:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 12:47:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:47:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 12:47:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 12:47:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:47:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:47:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:47:45,306 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 12:47:45,540 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:47:45,543 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:47:45,724 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:47:45,732 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:47:45,732 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:47:45,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:47:45 BoogieIcfgContainer [2022-11-16 12:47:45,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:47:45,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:47:45,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:47:45,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:47:45,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:47:44" (1/3) ... [2022-11-16 12:47:45,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24999a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:47:45, skipping insertion in model container [2022-11-16 12:47:45,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:45" (2/3) ... [2022-11-16 12:47:45,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24999a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:47:45, skipping insertion in model container [2022-11-16 12:47:45,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:47:45" (3/3) ... [2022-11-16 12:47:45,746 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_04-munge_nr.i [2022-11-16 12:47:45,756 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:47:45,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:47:45,790 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-16 12:47:45,790 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:47:45,867 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-16 12:47:45,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 76 transitions, 160 flow [2022-11-16 12:47:45,959 INFO L130 PetriNetUnfolder]: 0/75 cut-off events. [2022-11-16 12:47:45,959 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 12:47:45,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 75 events. 0/75 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-16 12:47:45,963 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 76 transitions, 160 flow [2022-11-16 12:47:45,968 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 71 places, 67 transitions, 137 flow [2022-11-16 12:47:45,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:47:45,988 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;@2288a641, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:47:45,988 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-16 12:47:46,003 INFO L130 PetriNetUnfolder]: 0/38 cut-off events. [2022-11-16 12:47:46,004 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:47:46,004 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:47:46,005 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] [2022-11-16 12:47:46,006 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:47:46,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:46,012 INFO L85 PathProgramCache]: Analyzing trace with hash -539627810, now seen corresponding path program 1 times [2022-11-16 12:47:46,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:46,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411865188] [2022-11-16 12:47:46,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:46,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:46,426 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 12:47:46,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:46,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411865188] [2022-11-16 12:47:46,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411865188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:46,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:47:46,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:47:46,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552796203] [2022-11-16 12:47:46,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:46,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:47:46,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:46,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:47:46,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:47:46,501 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 76 [2022-11-16 12:47:46,504 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 67 transitions, 137 flow. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 12:47:46,505 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:47:46,505 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 76 [2022-11-16 12:47:46,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:47:46,690 INFO L130 PetriNetUnfolder]: 37/226 cut-off events. [2022-11-16 12:47:46,690 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 12:47:46,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 226 events. 37/226 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 925 event pairs, 15 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 295. Up to 54 conditions per place. [2022-11-16 12:47:46,695 INFO L137 encePairwiseOnDemand]: 68/76 looper letters, 17 selfloop transitions, 6 changer transitions 0/77 dead transitions. [2022-11-16 12:47:46,695 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 77 transitions, 203 flow [2022-11-16 12:47:46,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:47:46,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:47:46,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2022-11-16 12:47:46,709 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9254385964912281 [2022-11-16 12:47:46,710 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 211 transitions. [2022-11-16 12:47:46,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 211 transitions. [2022-11-16 12:47:46,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:47:46,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 211 transitions. [2022-11-16 12:47:46,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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 12:47:46,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 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 12:47:46,723 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 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 12:47:46,725 INFO L175 Difference]: Start difference. First operand has 71 places, 67 transitions, 137 flow. Second operand 3 states and 211 transitions. [2022-11-16 12:47:46,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 77 transitions, 203 flow [2022-11-16 12:47:46,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 77 transitions, 202 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:47:46,732 INFO L231 Difference]: Finished difference. Result has 74 places, 73 transitions, 188 flow [2022-11-16 12:47:46,734 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=74, PETRI_TRANSITIONS=73} [2022-11-16 12:47:46,738 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, 3 predicate places. [2022-11-16 12:47:46,738 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 73 transitions, 188 flow [2022-11-16 12:47:46,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 12:47:46,739 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:47:46,739 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] [2022-11-16 12:47:46,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:47:46,740 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:47:46,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:46,741 INFO L85 PathProgramCache]: Analyzing trace with hash 331510881, now seen corresponding path program 1 times [2022-11-16 12:47:46,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:46,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512013352] [2022-11-16 12:47:46,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:46,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:46,809 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 12:47:46,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:46,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512013352] [2022-11-16 12:47:46,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512013352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:46,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:47:46,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:47:46,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887708760] [2022-11-16 12:47:46,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:46,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:47:46,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:46,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:47:46,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:47:46,814 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 76 [2022-11-16 12:47:46,815 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 73 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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 12:47:46,815 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:47:46,815 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 76 [2022-11-16 12:47:46,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:47:46,952 INFO L130 PetriNetUnfolder]: 60/333 cut-off events. [2022-11-16 12:47:46,952 INFO L131 PetriNetUnfolder]: For 94/98 co-relation queries the response was YES. [2022-11-16 12:47:46,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 579 conditions, 333 events. 60/333 cut-off events. For 94/98 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1692 event pairs, 28 based on Foata normal form. 2/300 useless extension candidates. Maximal degree in co-relation 551. Up to 113 conditions per place. [2022-11-16 12:47:46,965 INFO L137 encePairwiseOnDemand]: 70/76 looper letters, 25 selfloop transitions, 7 changer transitions 0/83 dead transitions. [2022-11-16 12:47:46,965 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 83 transitions, 290 flow [2022-11-16 12:47:46,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:47:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:47:46,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2022-11-16 12:47:46,973 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8859649122807017 [2022-11-16 12:47:46,974 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 202 transitions. [2022-11-16 12:47:46,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 202 transitions. [2022-11-16 12:47:46,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:47:46,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 202 transitions. [2022-11-16 12:47:46,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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 12:47:46,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 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 12:47:46,983 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 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 12:47:46,983 INFO L175 Difference]: Start difference. First operand has 74 places, 73 transitions, 188 flow. Second operand 3 states and 202 transitions. [2022-11-16 12:47:46,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 83 transitions, 290 flow [2022-11-16 12:47:46,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 83 transitions, 272 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:47:46,988 INFO L231 Difference]: Finished difference. Result has 76 places, 78 transitions, 232 flow [2022-11-16 12:47:46,990 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=76, PETRI_TRANSITIONS=78} [2022-11-16 12:47:46,991 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, 5 predicate places. [2022-11-16 12:47:46,991 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 78 transitions, 232 flow [2022-11-16 12:47:46,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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 12:47:46,992 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:47:46,993 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 12:47:46,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:47:46,994 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:47:46,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:47,006 INFO L85 PathProgramCache]: Analyzing trace with hash 550201068, now seen corresponding path program 1 times [2022-11-16 12:47:47,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:47,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372836564] [2022-11-16 12:47:47,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:47,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:47,099 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 12:47:47,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:47,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372836564] [2022-11-16 12:47:47,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372836564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:47,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:47:47,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:47:47,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991913454] [2022-11-16 12:47:47,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:47,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:47:47,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:47,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:47:47,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:47:47,115 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 76 [2022-11-16 12:47:47,132 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 78 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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 12:47:47,132 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:47:47,132 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 76 [2022-11-16 12:47:47,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:47:47,252 INFO L130 PetriNetUnfolder]: 62/310 cut-off events. [2022-11-16 12:47:47,252 INFO L131 PetriNetUnfolder]: For 143/147 co-relation queries the response was YES. [2022-11-16 12:47:47,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 638 conditions, 310 events. 62/310 cut-off events. For 143/147 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1475 event pairs, 21 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 609. Up to 109 conditions per place. [2022-11-16 12:47:47,256 INFO L137 encePairwiseOnDemand]: 70/76 looper letters, 28 selfloop transitions, 9 changer transitions 0/89 dead transitions. [2022-11-16 12:47:47,257 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 89 transitions, 356 flow [2022-11-16 12:47:47,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:47:47,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:47:47,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2022-11-16 12:47:47,259 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8859649122807017 [2022-11-16 12:47:47,260 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 202 transitions. [2022-11-16 12:47:47,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 202 transitions. [2022-11-16 12:47:47,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:47:47,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 202 transitions. [2022-11-16 12:47:47,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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 12:47:47,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 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 12:47:47,267 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 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 12:47:47,267 INFO L175 Difference]: Start difference. First operand has 76 places, 78 transitions, 232 flow. Second operand 3 states and 202 transitions. [2022-11-16 12:47:47,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 89 transitions, 356 flow [2022-11-16 12:47:47,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 89 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:47:47,276 INFO L231 Difference]: Finished difference. Result has 78 places, 83 transitions, 286 flow [2022-11-16 12:47:47,276 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=78, PETRI_TRANSITIONS=83} [2022-11-16 12:47:47,279 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, 7 predicate places. [2022-11-16 12:47:47,279 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 83 transitions, 286 flow [2022-11-16 12:47:47,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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 12:47:47,280 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:47:47,280 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] [2022-11-16 12:47:47,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:47:47,280 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:47:47,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:47,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1721959220, now seen corresponding path program 1 times [2022-11-16 12:47:47,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:47,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017521708] [2022-11-16 12:47:47,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:47,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:47,666 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 12:47:47,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:47,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017521708] [2022-11-16 12:47:47,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017521708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:47,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:47:47,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:47:47,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826954745] [2022-11-16 12:47:47,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:47,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:47:47,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:47,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:47:47,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:47:47,670 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 76 [2022-11-16 12:47:47,671 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 83 transitions, 286 flow. Second operand has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:47,671 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:47:47,672 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 76 [2022-11-16 12:47:47,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:47:48,004 INFO L130 PetriNetUnfolder]: 56/377 cut-off events. [2022-11-16 12:47:48,004 INFO L131 PetriNetUnfolder]: For 185/185 co-relation queries the response was YES. [2022-11-16 12:47:48,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 741 conditions, 377 events. 56/377 cut-off events. For 185/185 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2005 event pairs, 4 based on Foata normal form. 1/363 useless extension candidates. Maximal degree in co-relation 705. Up to 45 conditions per place. [2022-11-16 12:47:48,008 INFO L137 encePairwiseOnDemand]: 68/76 looper letters, 23 selfloop transitions, 20 changer transitions 0/109 dead transitions. [2022-11-16 12:47:48,009 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 109 transitions, 424 flow [2022-11-16 12:47:48,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 12:47:48,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-16 12:47:48,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 682 transitions. [2022-11-16 12:47:48,012 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8157894736842105 [2022-11-16 12:47:48,012 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 682 transitions. [2022-11-16 12:47:48,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 682 transitions. [2022-11-16 12:47:48,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:47:48,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 682 transitions. [2022-11-16 12:47:48,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 62.0) internal successors, (682), 11 states have internal predecessors, (682), 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 12:47:48,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 76.0) internal successors, (912), 12 states have internal predecessors, (912), 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 12:47:48,019 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 76.0) internal successors, (912), 12 states have internal predecessors, (912), 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 12:47:48,020 INFO L175 Difference]: Start difference. First operand has 78 places, 83 transitions, 286 flow. Second operand 11 states and 682 transitions. [2022-11-16 12:47:48,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 109 transitions, 424 flow [2022-11-16 12:47:48,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 109 transitions, 406 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:47:48,031 INFO L231 Difference]: Finished difference. Result has 88 places, 99 transitions, 355 flow [2022-11-16 12:47:48,031 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=355, PETRI_PLACES=88, PETRI_TRANSITIONS=99} [2022-11-16 12:47:48,033 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, 17 predicate places. [2022-11-16 12:47:48,033 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 99 transitions, 355 flow [2022-11-16 12:47:48,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:48,035 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:47:48,037 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] [2022-11-16 12:47:48,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:47:48,038 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:47:48,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:48,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1437436196, now seen corresponding path program 2 times [2022-11-16 12:47:48,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:48,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025011278] [2022-11-16 12:47:48,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:48,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,324 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 12:47:48,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:48,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025011278] [2022-11-16 12:47:48,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025011278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:48,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:47:48,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:47:48,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158295936] [2022-11-16 12:47:48,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:48,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:47:48,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:48,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:47:48,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:47:48,328 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 76 [2022-11-16 12:47:48,330 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 99 transitions, 355 flow. Second operand has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:48,330 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:47:48,330 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 76 [2022-11-16 12:47:48,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:47:48,642 INFO L130 PetriNetUnfolder]: 60/455 cut-off events. [2022-11-16 12:47:48,642 INFO L131 PetriNetUnfolder]: For 187/202 co-relation queries the response was YES. [2022-11-16 12:47:48,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 455 events. 60/455 cut-off events. For 187/202 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2688 event pairs, 5 based on Foata normal form. 15/448 useless extension candidates. Maximal degree in co-relation 882. Up to 52 conditions per place. [2022-11-16 12:47:48,647 INFO L137 encePairwiseOnDemand]: 68/76 looper letters, 31 selfloop transitions, 23 changer transitions 0/120 dead transitions. [2022-11-16 12:47:48,647 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 120 transitions, 543 flow [2022-11-16 12:47:48,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:47:48,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-16 12:47:48,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 567 transitions. [2022-11-16 12:47:48,649 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8289473684210527 [2022-11-16 12:47:48,650 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 567 transitions. [2022-11-16 12:47:48,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 567 transitions. [2022-11-16 12:47:48,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:47:48,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 567 transitions. [2022-11-16 12:47:48,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 63.0) internal successors, (567), 9 states have internal predecessors, (567), 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 12:47:48,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 76.0) internal successors, (760), 10 states have internal predecessors, (760), 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 12:47:48,654 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 76.0) internal successors, (760), 10 states have internal predecessors, (760), 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 12:47:48,654 INFO L175 Difference]: Start difference. First operand has 88 places, 99 transitions, 355 flow. Second operand 9 states and 567 transitions. [2022-11-16 12:47:48,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 120 transitions, 543 flow [2022-11-16 12:47:48,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 120 transitions, 543 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 12:47:48,663 INFO L231 Difference]: Finished difference. Result has 101 places, 108 transitions, 481 flow [2022-11-16 12:47:48,664 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=481, PETRI_PLACES=101, PETRI_TRANSITIONS=108} [2022-11-16 12:47:48,666 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, 30 predicate places. [2022-11-16 12:47:48,667 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 108 transitions, 481 flow [2022-11-16 12:47:48,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:48,667 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:47:48,668 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] [2022-11-16 12:47:48,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:47:48,668 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:47:48,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:48,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1413346108, now seen corresponding path program 3 times [2022-11-16 12:47:48,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:48,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276676632] [2022-11-16 12:47:48,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:48,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,913 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 12:47:48,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:48,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276676632] [2022-11-16 12:47:48,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276676632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:48,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:47:48,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:47:48,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881364289] [2022-11-16 12:47:48,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:48,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:47:48,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:48,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:47:48,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:47:48,918 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 76 [2022-11-16 12:47:48,919 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 108 transitions, 481 flow. Second operand has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:48,919 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:47:48,920 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 76 [2022-11-16 12:47:48,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:47:49,258 INFO L130 PetriNetUnfolder]: 96/727 cut-off events. [2022-11-16 12:47:49,258 INFO L131 PetriNetUnfolder]: For 620/638 co-relation queries the response was YES. [2022-11-16 12:47:49,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1605 conditions, 727 events. 96/727 cut-off events. For 620/638 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 5302 event pairs, 10 based on Foata normal form. 14/705 useless extension candidates. Maximal degree in co-relation 1561. Up to 90 conditions per place. [2022-11-16 12:47:49,263 INFO L137 encePairwiseOnDemand]: 68/76 looper letters, 32 selfloop transitions, 32 changer transitions 0/130 dead transitions. [2022-11-16 12:47:49,263 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 130 transitions, 730 flow [2022-11-16 12:47:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 12:47:49,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-16 12:47:49,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 686 transitions. [2022-11-16 12:47:49,266 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8205741626794258 [2022-11-16 12:47:49,267 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 686 transitions. [2022-11-16 12:47:49,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 686 transitions. [2022-11-16 12:47:49,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:47:49,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 686 transitions. [2022-11-16 12:47:49,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 62.36363636363637) internal successors, (686), 11 states have internal predecessors, (686), 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 12:47:49,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 76.0) internal successors, (912), 12 states have internal predecessors, (912), 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 12:47:49,272 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 76.0) internal successors, (912), 12 states have internal predecessors, (912), 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 12:47:49,272 INFO L175 Difference]: Start difference. First operand has 101 places, 108 transitions, 481 flow. Second operand 11 states and 686 transitions. [2022-11-16 12:47:49,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 130 transitions, 730 flow [2022-11-16 12:47:49,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 130 transitions, 716 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:47:49,278 INFO L231 Difference]: Finished difference. Result has 113 places, 119 transitions, 649 flow [2022-11-16 12:47:49,279 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=649, PETRI_PLACES=113, PETRI_TRANSITIONS=119} [2022-11-16 12:47:49,281 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, 42 predicate places. [2022-11-16 12:47:49,281 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 119 transitions, 649 flow [2022-11-16 12:47:49,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:49,282 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:47:49,282 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] [2022-11-16 12:47:49,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:47:49,283 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:47:49,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:49,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1215150082, now seen corresponding path program 4 times [2022-11-16 12:47:49,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:49,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989408171] [2022-11-16 12:47:49,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:49,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:49,483 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 12:47:49,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:49,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989408171] [2022-11-16 12:47:49,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989408171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:49,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:47:49,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:47:49,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556343120] [2022-11-16 12:47:49,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:49,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:47:49,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:49,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:47:49,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:47:49,498 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 76 [2022-11-16 12:47:49,499 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 119 transitions, 649 flow. Second operand has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:49,499 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:47:49,499 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 76 [2022-11-16 12:47:49,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:47:49,887 INFO L130 PetriNetUnfolder]: 140/1068 cut-off events. [2022-11-16 12:47:49,887 INFO L131 PetriNetUnfolder]: For 1550/1594 co-relation queries the response was YES. [2022-11-16 12:47:49,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2501 conditions, 1068 events. 140/1068 cut-off events. For 1550/1594 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 9021 event pairs, 19 based on Foata normal form. 29/1039 useless extension candidates. Maximal degree in co-relation 2453. Up to 130 conditions per place. [2022-11-16 12:47:49,895 INFO L137 encePairwiseOnDemand]: 68/76 looper letters, 48 selfloop transitions, 38 changer transitions 0/152 dead transitions. [2022-11-16 12:47:49,895 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 152 transitions, 1063 flow [2022-11-16 12:47:49,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:47:49,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-16 12:47:49,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 635 transitions. [2022-11-16 12:47:49,897 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8355263157894737 [2022-11-16 12:47:49,898 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 635 transitions. [2022-11-16 12:47:49,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 635 transitions. [2022-11-16 12:47:49,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:47:49,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 635 transitions. [2022-11-16 12:47:49,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 63.5) internal successors, (635), 10 states have internal predecessors, (635), 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 12:47:49,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 76.0) internal successors, (836), 11 states have internal predecessors, (836), 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 12:47:49,902 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 76.0) internal successors, (836), 11 states have internal predecessors, (836), 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 12:47:49,902 INFO L175 Difference]: Start difference. First operand has 113 places, 119 transitions, 649 flow. Second operand 10 states and 635 transitions. [2022-11-16 12:47:49,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 152 transitions, 1063 flow [2022-11-16 12:47:49,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 152 transitions, 1021 flow, removed 5 selfloop flow, removed 4 redundant places. [2022-11-16 12:47:49,912 INFO L231 Difference]: Finished difference. Result has 124 places, 134 transitions, 892 flow [2022-11-16 12:47:49,912 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=892, PETRI_PLACES=124, PETRI_TRANSITIONS=134} [2022-11-16 12:47:49,913 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, 53 predicate places. [2022-11-16 12:47:49,913 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 134 transitions, 892 flow [2022-11-16 12:47:49,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:49,914 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:47:49,914 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] [2022-11-16 12:47:49,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:47:49,914 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:47:49,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:49,915 INFO L85 PathProgramCache]: Analyzing trace with hash 426612802, now seen corresponding path program 5 times [2022-11-16 12:47:49,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:49,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688342638] [2022-11-16 12:47:49,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:49,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:50,082 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 12:47:50,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:50,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688342638] [2022-11-16 12:47:50,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688342638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:50,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:47:50,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:47:50,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726443584] [2022-11-16 12:47:50,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:50,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:47:50,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:50,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:47:50,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:47:50,090 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 76 [2022-11-16 12:47:50,091 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 134 transitions, 892 flow. Second operand has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:50,091 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:47:50,091 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 76 [2022-11-16 12:47:50,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:47:50,460 INFO L130 PetriNetUnfolder]: 140/1126 cut-off events. [2022-11-16 12:47:50,460 INFO L131 PetriNetUnfolder]: For 2457/2494 co-relation queries the response was YES. [2022-11-16 12:47:50,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2797 conditions, 1126 events. 140/1126 cut-off events. For 2457/2494 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 9672 event pairs, 21 based on Foata normal form. 28/1092 useless extension candidates. Maximal degree in co-relation 2743. Up to 138 conditions per place. [2022-11-16 12:47:50,469 INFO L137 encePairwiseOnDemand]: 68/76 looper letters, 48 selfloop transitions, 43 changer transitions 0/157 dead transitions. [2022-11-16 12:47:50,470 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 157 transitions, 1253 flow [2022-11-16 12:47:50,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:47:50,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-16 12:47:50,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 631 transitions. [2022-11-16 12:47:50,472 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8302631578947368 [2022-11-16 12:47:50,473 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 631 transitions. [2022-11-16 12:47:50,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 631 transitions. [2022-11-16 12:47:50,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:47:50,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 631 transitions. [2022-11-16 12:47:50,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 63.1) internal successors, (631), 10 states have internal predecessors, (631), 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 12:47:50,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 76.0) internal successors, (836), 11 states have internal predecessors, (836), 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 12:47:50,478 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 76.0) internal successors, (836), 11 states have internal predecessors, (836), 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 12:47:50,478 INFO L175 Difference]: Start difference. First operand has 124 places, 134 transitions, 892 flow. Second operand 10 states and 631 transitions. [2022-11-16 12:47:50,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 157 transitions, 1253 flow [2022-11-16 12:47:50,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 157 transitions, 1235 flow, removed 7 selfloop flow, removed 1 redundant places. [2022-11-16 12:47:50,497 INFO L231 Difference]: Finished difference. Result has 137 places, 141 transitions, 1100 flow [2022-11-16 12:47:50,497 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=875, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1100, PETRI_PLACES=137, PETRI_TRANSITIONS=141} [2022-11-16 12:47:50,499 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, 66 predicate places. [2022-11-16 12:47:50,500 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 141 transitions, 1100 flow [2022-11-16 12:47:50,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:50,500 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:47:50,501 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] [2022-11-16 12:47:50,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:47:50,502 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:47:50,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:50,503 INFO L85 PathProgramCache]: Analyzing trace with hash -606991548, now seen corresponding path program 6 times [2022-11-16 12:47:50,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:50,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85090304] [2022-11-16 12:47:50,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:50,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:50,667 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 12:47:50,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:50,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85090304] [2022-11-16 12:47:50,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85090304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:50,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:47:50,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:47:50,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897723344] [2022-11-16 12:47:50,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:50,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:47:50,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:50,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:47:50,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:47:50,671 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 76 [2022-11-16 12:47:50,672 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 141 transitions, 1100 flow. Second operand has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:50,672 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:47:50,672 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 76 [2022-11-16 12:47:50,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:47:51,036 INFO L130 PetriNetUnfolder]: 140/1133 cut-off events. [2022-11-16 12:47:51,037 INFO L131 PetriNetUnfolder]: For 3579/3616 co-relation queries the response was YES. [2022-11-16 12:47:51,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2976 conditions, 1133 events. 140/1133 cut-off events. For 3579/3616 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 9772 event pairs, 20 based on Foata normal form. 23/1096 useless extension candidates. Maximal degree in co-relation 2917. Up to 140 conditions per place. [2022-11-16 12:47:51,067 INFO L137 encePairwiseOnDemand]: 68/76 looper letters, 47 selfloop transitions, 46 changer transitions 0/159 dead transitions. [2022-11-16 12:47:51,068 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 159 transitions, 1407 flow [2022-11-16 12:47:51,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 12:47:51,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-16 12:47:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 694 transitions. [2022-11-16 12:47:51,070 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8301435406698564 [2022-11-16 12:47:51,070 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 694 transitions. [2022-11-16 12:47:51,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 694 transitions. [2022-11-16 12:47:51,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:47:51,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 694 transitions. [2022-11-16 12:47:51,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 63.09090909090909) internal successors, (694), 11 states have internal predecessors, (694), 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 12:47:51,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 76.0) internal successors, (912), 12 states have internal predecessors, (912), 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 12:47:51,076 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 76.0) internal successors, (912), 12 states have internal predecessors, (912), 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 12:47:51,076 INFO L175 Difference]: Start difference. First operand has 137 places, 141 transitions, 1100 flow. Second operand 11 states and 694 transitions. [2022-11-16 12:47:51,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 159 transitions, 1407 flow [2022-11-16 12:47:51,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 159 transitions, 1361 flow, removed 13 selfloop flow, removed 4 redundant places. [2022-11-16 12:47:51,092 INFO L231 Difference]: Finished difference. Result has 147 places, 147 transitions, 1272 flow [2022-11-16 12:47:51,092 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=1058, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1272, PETRI_PLACES=147, PETRI_TRANSITIONS=147} [2022-11-16 12:47:51,093 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, 76 predicate places. [2022-11-16 12:47:51,093 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 147 transitions, 1272 flow [2022-11-16 12:47:51,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:51,094 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:47:51,094 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] [2022-11-16 12:47:51,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:47:51,095 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:47:51,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:51,095 INFO L85 PathProgramCache]: Analyzing trace with hash 2139995460, now seen corresponding path program 7 times [2022-11-16 12:47:51,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:51,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555854373] [2022-11-16 12:47:51,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:51,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:51,259 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 12:47:51,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:51,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555854373] [2022-11-16 12:47:51,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555854373] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:51,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:47:51,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:47:51,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490097135] [2022-11-16 12:47:51,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:51,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:47:51,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:51,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:47:51,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:47:51,271 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 76 [2022-11-16 12:47:51,271 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 147 transitions, 1272 flow. Second operand has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:51,272 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:47:51,272 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 76 [2022-11-16 12:47:51,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:47:51,621 INFO L130 PetriNetUnfolder]: 108/938 cut-off events. [2022-11-16 12:47:51,621 INFO L131 PetriNetUnfolder]: For 3856/3893 co-relation queries the response was YES. [2022-11-16 12:47:51,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2633 conditions, 938 events. 108/938 cut-off events. For 3856/3893 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 7554 event pairs, 14 based on Foata normal form. 24/917 useless extension candidates. Maximal degree in co-relation 2572. Up to 114 conditions per place. [2022-11-16 12:47:51,628 INFO L137 encePairwiseOnDemand]: 68/76 looper letters, 48 selfloop transitions, 40 changer transitions 0/154 dead transitions. [2022-11-16 12:47:51,628 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 154 transitions, 1443 flow [2022-11-16 12:47:51,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 12:47:51,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-16 12:47:51,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 692 transitions. [2022-11-16 12:47:51,631 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8277511961722488 [2022-11-16 12:47:51,631 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 692 transitions. [2022-11-16 12:47:51,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 692 transitions. [2022-11-16 12:47:51,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:47:51,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 692 transitions. [2022-11-16 12:47:51,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 62.90909090909091) internal successors, (692), 11 states have internal predecessors, (692), 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 12:47:51,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 76.0) internal successors, (912), 12 states have internal predecessors, (912), 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 12:47:51,636 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 76.0) internal successors, (912), 12 states have internal predecessors, (912), 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 12:47:51,637 INFO L175 Difference]: Start difference. First operand has 147 places, 147 transitions, 1272 flow. Second operand 11 states and 692 transitions. [2022-11-16 12:47:51,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 154 transitions, 1443 flow [2022-11-16 12:47:51,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 154 transitions, 1342 flow, removed 23 selfloop flow, removed 5 redundant places. [2022-11-16 12:47:51,656 INFO L231 Difference]: Finished difference. Result has 155 places, 146 transitions, 1248 flow [2022-11-16 12:47:51,657 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=1110, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1248, PETRI_PLACES=155, PETRI_TRANSITIONS=146} [2022-11-16 12:47:51,658 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, 84 predicate places. [2022-11-16 12:47:51,658 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 146 transitions, 1248 flow [2022-11-16 12:47:51,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:51,659 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:47:51,659 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] [2022-11-16 12:47:51,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 12:47:51,659 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:47:51,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:51,660 INFO L85 PathProgramCache]: Analyzing trace with hash 41931356, now seen corresponding path program 8 times [2022-11-16 12:47:51,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:51,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894056480] [2022-11-16 12:47:51,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:51,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:51,803 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 12:47:51,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:51,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894056480] [2022-11-16 12:47:51,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894056480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:51,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:47:51,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:47:51,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316683039] [2022-11-16 12:47:51,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:51,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:47:51,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:51,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:47:51,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:47:51,807 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 76 [2022-11-16 12:47:51,807 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 146 transitions, 1248 flow. Second operand has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:51,808 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:47:51,808 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 76 [2022-11-16 12:47:51,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:47:52,101 INFO L130 PetriNetUnfolder]: 76/743 cut-off events. [2022-11-16 12:47:52,102 INFO L131 PetriNetUnfolder]: For 2965/2995 co-relation queries the response was YES. [2022-11-16 12:47:52,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2182 conditions, 743 events. 76/743 cut-off events. For 2965/2995 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 5516 event pairs, 14 based on Foata normal form. 24/736 useless extension candidates. Maximal degree in co-relation 2118. Up to 88 conditions per place. [2022-11-16 12:47:52,107 INFO L137 encePairwiseOnDemand]: 68/76 looper letters, 42 selfloop transitions, 42 changer transitions 0/150 dead transitions. [2022-11-16 12:47:52,108 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 150 transitions, 1398 flow [2022-11-16 12:47:52,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:47:52,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-16 12:47:52,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 624 transitions. [2022-11-16 12:47:52,110 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8210526315789474 [2022-11-16 12:47:52,110 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 624 transitions. [2022-11-16 12:47:52,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 624 transitions. [2022-11-16 12:47:52,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:47:52,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 624 transitions. [2022-11-16 12:47:52,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 62.4) internal successors, (624), 10 states have internal predecessors, (624), 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 12:47:52,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 76.0) internal successors, (836), 11 states have internal predecessors, (836), 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 12:47:52,115 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 76.0) internal successors, (836), 11 states have internal predecessors, (836), 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 12:47:52,115 INFO L175 Difference]: Start difference. First operand has 155 places, 146 transitions, 1248 flow. Second operand 10 states and 624 transitions. [2022-11-16 12:47:52,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 150 transitions, 1398 flow [2022-11-16 12:47:52,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 150 transitions, 1335 flow, removed 4 selfloop flow, removed 6 redundant places. [2022-11-16 12:47:52,136 INFO L231 Difference]: Finished difference. Result has 161 places, 145 transitions, 1257 flow [2022-11-16 12:47:52,136 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=1117, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1257, PETRI_PLACES=161, PETRI_TRANSITIONS=145} [2022-11-16 12:47:52,137 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, 90 predicate places. [2022-11-16 12:47:52,137 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 145 transitions, 1257 flow [2022-11-16 12:47:52,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:52,137 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:47:52,137 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] [2022-11-16 12:47:52,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 12:47:52,138 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:47:52,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:52,141 INFO L85 PathProgramCache]: Analyzing trace with hash -209503096, now seen corresponding path program 9 times [2022-11-16 12:47:52,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:52,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920825119] [2022-11-16 12:47:52,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:52,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,309 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 12:47:52,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:52,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920825119] [2022-11-16 12:47:52,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920825119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:52,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:47:52,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:47:52,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524699786] [2022-11-16 12:47:52,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:52,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:47:52,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:52,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:47:52,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:47:52,312 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 76 [2022-11-16 12:47:52,313 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 145 transitions, 1257 flow. Second operand has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:52,313 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:47:52,313 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 76 [2022-11-16 12:47:52,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:47:52,635 INFO L130 PetriNetUnfolder]: 76/750 cut-off events. [2022-11-16 12:47:52,636 INFO L131 PetriNetUnfolder]: For 3170/3200 co-relation queries the response was YES. [2022-11-16 12:47:52,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2245 conditions, 750 events. 76/750 cut-off events. For 3170/3200 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 5590 event pairs, 12 based on Foata normal form. 18/740 useless extension candidates. Maximal degree in co-relation 2178. Up to 90 conditions per place. [2022-11-16 12:47:52,642 INFO L137 encePairwiseOnDemand]: 68/76 looper letters, 48 selfloop transitions, 44 changer transitions 0/158 dead transitions. [2022-11-16 12:47:52,643 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 158 transitions, 1526 flow [2022-11-16 12:47:52,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:47:52,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-16 12:47:52,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 628 transitions. [2022-11-16 12:47:52,645 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8263157894736842 [2022-11-16 12:47:52,646 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 628 transitions. [2022-11-16 12:47:52,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 628 transitions. [2022-11-16 12:47:52,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:47:52,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 628 transitions. [2022-11-16 12:47:52,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 62.8) internal successors, (628), 10 states have internal predecessors, (628), 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 12:47:52,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 76.0) internal successors, (836), 11 states have internal predecessors, (836), 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 12:47:52,652 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 76.0) internal successors, (836), 11 states have internal predecessors, (836), 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 12:47:52,652 INFO L175 Difference]: Start difference. First operand has 161 places, 145 transitions, 1257 flow. Second operand 10 states and 628 transitions. [2022-11-16 12:47:52,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 158 transitions, 1526 flow [2022-11-16 12:47:52,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 158 transitions, 1450 flow, removed 3 selfloop flow, removed 6 redundant places. [2022-11-16 12:47:52,676 INFO L231 Difference]: Finished difference. Result has 167 places, 150 transitions, 1375 flow [2022-11-16 12:47:52,677 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=1183, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1375, PETRI_PLACES=167, PETRI_TRANSITIONS=150} [2022-11-16 12:47:52,678 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, 96 predicate places. [2022-11-16 12:47:52,678 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 150 transitions, 1375 flow [2022-11-16 12:47:52,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:52,679 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:47:52,679 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] [2022-11-16 12:47:52,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:47:52,679 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:47:52,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:52,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1275045958, now seen corresponding path program 10 times [2022-11-16 12:47:52,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:52,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745573694] [2022-11-16 12:47:52,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:52,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,860 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 12:47:52,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:52,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745573694] [2022-11-16 12:47:52,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745573694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:52,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:47:52,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:47:52,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495384317] [2022-11-16 12:47:52,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:52,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:47:52,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:52,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:47:52,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:47:52,864 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 76 [2022-11-16 12:47:52,864 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 150 transitions, 1375 flow. Second operand has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:52,865 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:47:52,865 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 76 [2022-11-16 12:47:52,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:47:53,146 INFO L130 PetriNetUnfolder]: 44/563 cut-off events. [2022-11-16 12:47:53,146 INFO L131 PetriNetUnfolder]: For 2801/2829 co-relation queries the response was YES. [2022-11-16 12:47:53,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1864 conditions, 563 events. 44/563 cut-off events. For 2801/2829 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3796 event pairs, 6 based on Foata normal form. 17/567 useless extension candidates. Maximal degree in co-relation 1794. Up to 68 conditions per place. [2022-11-16 12:47:53,151 INFO L137 encePairwiseOnDemand]: 68/76 looper letters, 51 selfloop transitions, 36 changer transitions 0/133 dead transitions. [2022-11-16 12:47:53,151 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 133 transitions, 1415 flow [2022-11-16 12:47:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:47:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-16 12:47:53,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 626 transitions. [2022-11-16 12:47:53,155 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8236842105263158 [2022-11-16 12:47:53,155 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 626 transitions. [2022-11-16 12:47:53,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 626 transitions. [2022-11-16 12:47:53,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:47:53,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 626 transitions. [2022-11-16 12:47:53,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 62.6) internal successors, (626), 10 states have internal predecessors, (626), 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 12:47:53,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 76.0) internal successors, (836), 11 states have internal predecessors, (836), 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 12:47:53,161 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 76.0) internal successors, (836), 11 states have internal predecessors, (836), 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 12:47:53,162 INFO L175 Difference]: Start difference. First operand has 167 places, 150 transitions, 1375 flow. Second operand 10 states and 626 transitions. [2022-11-16 12:47:53,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 133 transitions, 1415 flow [2022-11-16 12:47:53,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 133 transitions, 1270 flow, removed 28 selfloop flow, removed 13 redundant places. [2022-11-16 12:47:53,186 INFO L231 Difference]: Finished difference. Result has 161 places, 127 transitions, 1181 flow [2022-11-16 12:47:53,187 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=1048, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1181, PETRI_PLACES=161, PETRI_TRANSITIONS=127} [2022-11-16 12:47:53,188 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, 90 predicate places. [2022-11-16 12:47:53,188 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 127 transitions, 1181 flow [2022-11-16 12:47:53,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 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 12:47:53,189 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:47:53,189 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] [2022-11-16 12:47:53,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 12:47:53,189 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:47:53,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:53,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1349024591, now seen corresponding path program 1 times [2022-11-16 12:47:53,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:53,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116951747] [2022-11-16 12:47:53,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:53,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:53,446 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 12:47:53,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:53,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116951747] [2022-11-16 12:47:53,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116951747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:53,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:47:53,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:47:53,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32183852] [2022-11-16 12:47:53,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:53,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:47:53,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:53,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:47:53,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:47:53,450 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 76 [2022-11-16 12:47:53,451 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 127 transitions, 1181 flow. Second operand has 6 states, 6 states have (on average 63.666666666666664) internal successors, (382), 6 states have internal predecessors, (382), 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 12:47:53,451 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:47:53,451 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 76 [2022-11-16 12:47:53,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:47:53,534 INFO L130 PetriNetUnfolder]: 23/461 cut-off events. [2022-11-16 12:47:53,534 INFO L131 PetriNetUnfolder]: For 1706/1706 co-relation queries the response was YES. [2022-11-16 12:47:53,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1262 conditions, 461 events. 23/461 cut-off events. For 1706/1706 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2938 event pairs, 0 based on Foata normal form. 0/461 useless extension candidates. Maximal degree in co-relation 1196. Up to 42 conditions per place. [2022-11-16 12:47:53,536 INFO L137 encePairwiseOnDemand]: 71/76 looper letters, 0 selfloop transitions, 0 changer transitions 126/126 dead transitions. [2022-11-16 12:47:53,537 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 126 transitions, 1199 flow [2022-11-16 12:47:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:47:53,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:47:53,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 383 transitions. [2022-11-16 12:47:53,538 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8399122807017544 [2022-11-16 12:47:53,538 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 383 transitions. [2022-11-16 12:47:53,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 383 transitions. [2022-11-16 12:47:53,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:47:53,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 383 transitions. [2022-11-16 12:47:53,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 63.833333333333336) internal successors, (383), 6 states have internal predecessors, (383), 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 12:47:53,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 76.0) internal successors, (532), 7 states have internal predecessors, (532), 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 12:47:53,541 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 76.0) internal successors, (532), 7 states have internal predecessors, (532), 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 12:47:53,541 INFO L175 Difference]: Start difference. First operand has 161 places, 127 transitions, 1181 flow. Second operand 6 states and 383 transitions. [2022-11-16 12:47:53,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 126 transitions, 1199 flow [2022-11-16 12:47:53,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 126 transitions, 1144 flow, removed 4 selfloop flow, removed 5 redundant places. [2022-11-16 12:47:53,556 INFO L231 Difference]: Finished difference. Result has 160 places, 0 transitions, 0 flow [2022-11-16 12:47:53,556 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=1124, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=160, PETRI_TRANSITIONS=0} [2022-11-16 12:47:53,556 INFO L288 CegarLoopForPetriNet]: 71 programPoint places, 89 predicate places. [2022-11-16 12:47:53,557 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 0 transitions, 0 flow [2022-11-16 12:47:53,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.666666666666664) internal successors, (382), 6 states have internal predecessors, (382), 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 12:47:53,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-16 12:47:53,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-16 12:47:53,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-16 12:47:53,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-11-16 12:47:53,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-11-16 12:47:53,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-16 12:47:53,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-16 12:47:53,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-16 12:47:53,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 12:47:53,562 INFO L444 BasicCegarLoop]: Path program histogram: [10, 1, 1, 1, 1] [2022-11-16 12:47:53,567 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:47:53,567 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:47:53,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:47:53 BasicIcfg [2022-11-16 12:47:53,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:47:53,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:47:53,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:47:53,573 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:47:53,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:47:45" (3/4) ... [2022-11-16 12:47:53,576 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:47:53,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-16 12:47:53,595 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 12:47:53,595 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 12:47:53,595 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:47:53,632 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e24eae-e085-43ab-b9a8-c14cc2eec966/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:47:53,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:47:53,633 INFO L158 Benchmark]: Toolchain (without parser) took 9435.14ms. Allocated memory was 100.7MB in the beginning and 211.8MB in the end (delta: 111.1MB). Free memory was 64.8MB in the beginning and 105.1MB in the end (delta: -40.3MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2022-11-16 12:47:53,634 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 73.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:47:53,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 878.77ms. Allocated memory is still 100.7MB. Free memory was 64.5MB in the beginning and 59.4MB in the end (delta: 5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:47:53,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.88ms. Allocated memory is still 100.7MB. Free memory was 59.4MB in the beginning and 57.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:47:53,635 INFO L158 Benchmark]: Boogie Preprocessor took 63.42ms. Allocated memory is still 100.7MB. Free memory was 57.2MB in the beginning and 55.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:47:53,635 INFO L158 Benchmark]: RCFGBuilder took 509.66ms. Allocated memory is still 100.7MB. Free memory was 55.7MB in the beginning and 42.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:47:53,636 INFO L158 Benchmark]: TraceAbstraction took 7835.17ms. Allocated memory was 100.7MB in the beginning and 211.8MB in the end (delta: 111.1MB). Free memory was 42.0MB in the beginning and 108.2MB in the end (delta: -66.2MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2022-11-16 12:47:53,636 INFO L158 Benchmark]: Witness Printer took 60.17ms. Allocated memory is still 211.8MB. Free memory was 108.2MB in the beginning and 105.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:47:53,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 73.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 878.77ms. Allocated memory is still 100.7MB. Free memory was 64.5MB in the beginning and 59.4MB in the end (delta: 5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.88ms. Allocated memory is still 100.7MB. Free memory was 59.4MB in the beginning and 57.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.42ms. Allocated memory is still 100.7MB. Free memory was 57.2MB in the beginning and 55.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 509.66ms. Allocated memory is still 100.7MB. Free memory was 55.7MB in the beginning and 42.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7835.17ms. Allocated memory was 100.7MB in the beginning and 211.8MB in the end (delta: 111.1MB). Free memory was 42.0MB in the beginning and 108.2MB in the end (delta: -66.2MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Witness Printer took 60.17ms. Allocated memory is still 211.8MB. Free memory was 108.2MB in the beginning and 105.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: 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 3 procedures, 99 locations, 8 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: 7.7s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 346 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 346 mSDsluCounter, 784 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 499 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1093 IncrementalHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 285 mSDtfsCounter, 1093 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1375occurred in iteration=12, InterpolantAutomatonStates: 118, 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, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 573 NumberOfCodeBlocks, 573 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 1306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 12:47:53,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e24eae-e085-43ab-b9a8-c14cc2eec966/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