./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ --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 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc --- 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-dbf71c6-m [2022-10-17 11:05:45,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 11:05:45,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 11:05:45,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 11:05:45,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 11:05:45,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 11:05:45,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 11:05:45,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 11:05:45,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 11:05:45,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 11:05:45,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 11:05:45,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 11:05:45,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 11:05:45,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 11:05:45,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 11:05:45,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 11:05:45,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 11:05:45,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 11:05:45,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 11:05:45,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 11:05:45,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 11:05:45,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 11:05:45,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 11:05:45,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 11:05:45,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 11:05:45,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 11:05:45,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 11:05:45,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 11:05:45,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 11:05:45,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 11:05:45,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 11:05:45,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 11:05:45,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 11:05:45,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 11:05:45,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 11:05:45,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 11:05:45,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 11:05:45,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 11:05:45,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 11:05:45,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 11:05:45,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 11:05:45,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-10-17 11:05:45,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 11:05:45,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 11:05:45,730 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 11:05:45,730 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 11:05:45,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 11:05:45,731 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 11:05:45,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 11:05:45,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 11:05:45,732 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 11:05:45,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 11:05:45,732 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 11:05:45,732 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 11:05:45,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 11:05:45,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 11:05:45,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 11:05:45,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 11:05:45,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 11:05:45,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 11:05:45,734 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-10-17 11:05:45,734 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 11:05:45,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 11:05:45,734 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 11:05:45,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 11:05:45,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 11:05:45,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 11:05:45,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 11:05:45,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:05:45,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 11:05:45,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 11:05:45,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 11:05:45,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 11:05:45,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 11:05:45,737 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 11:05:45,737 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 11:05:45,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 11:05:45,737 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_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc [2022-10-17 11:05:46,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 11:05:46,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 11:05:46,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 11:05:46,047 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 11:05:46,047 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 11:05:46,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i [2022-10-17 11:05:46,116 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ/data/a10fee0aa/ab9f316932424a2fa5d057e7cbeddfeb/FLAG24f265269 [2022-10-17 11:05:46,623 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 11:05:46,623 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i [2022-10-17 11:05:46,656 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ/data/a10fee0aa/ab9f316932424a2fa5d057e7cbeddfeb/FLAG24f265269 [2022-10-17 11:05:46,907 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ/data/a10fee0aa/ab9f316932424a2fa5d057e7cbeddfeb [2022-10-17 11:05:46,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 11:05:46,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 11:05:46,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 11:05:46,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 11:05:46,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 11:05:46,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:05:46" (1/1) ... [2022-10-17 11:05:46,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc3d543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:05:46, skipping insertion in model container [2022-10-17 11:05:46,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:05:46" (1/1) ... [2022-10-17 11:05:46,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 11:05:47,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 11:05:47,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:05:47,830 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 11:05:47,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:05:48,007 INFO L208 MainTranslator]: Completed translation [2022-10-17 11:05:48,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:05:48 WrapperNode [2022-10-17 11:05:48,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 11:05:48,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 11:05:48,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 11:05:48,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 11:05:48,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:05:48" (1/1) ... [2022-10-17 11:05:48,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:05:48" (1/1) ... [2022-10-17 11:05:48,091 INFO L138 Inliner]: procedures = 368, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 176 [2022-10-17 11:05:48,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 11:05:48,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 11:05:48,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 11:05:48,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 11:05:48,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:05:48" (1/1) ... [2022-10-17 11:05:48,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:05:48" (1/1) ... [2022-10-17 11:05:48,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:05:48" (1/1) ... [2022-10-17 11:05:48,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:05:48" (1/1) ... [2022-10-17 11:05:48,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:05:48" (1/1) ... [2022-10-17 11:05:48,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:05:48" (1/1) ... [2022-10-17 11:05:48,148 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:05:48" (1/1) ... [2022-10-17 11:05:48,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:05:48" (1/1) ... [2022-10-17 11:05:48,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 11:05:48,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 11:05:48,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 11:05:48,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 11:05:48,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:05:48" (1/1) ... [2022-10-17 11:05:48,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:05:48,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:05:48,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 11:05:48,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a19a73-439e-4bfb-a652-66652dddbd91/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 11:05:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 11:05:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 11:05:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 11:05:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 11:05:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 11:05:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 11:05:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 11:05:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 11:05:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 11:05:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-17 11:05:48,239 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-17 11:05:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 11:05:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 11:05:48,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 11:05:48,241 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 11:05:48,376 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 11:05:48,378 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 11:05:48,963 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 11:05:48,974 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 11:05:48,983 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 11:05:48,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:05:48 BoogieIcfgContainer [2022-10-17 11:05:48,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 11:05:48,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 11:05:48,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 11:05:48,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 11:05:48,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 11:05:46" (1/3) ... [2022-10-17 11:05:48,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9d7b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:05:48, skipping insertion in model container [2022-10-17 11:05:48,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:05:48" (2/3) ... [2022-10-17 11:05:48,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9d7b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:05:48, skipping insertion in model container [2022-10-17 11:05:48,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:05:48" (3/3) ... [2022-10-17 11:05:49,000 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_01-list_rc.i [2022-10-17 11:05:49,010 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 11:05:49,020 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 11:05:49,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-10-17 11:05:49,021 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 11:05:49,136 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-17 11:05:49,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 211 places, 207 transitions, 419 flow [2022-10-17 11:05:49,336 INFO L130 PetriNetUnfolder]: 0/206 cut-off events. [2022-10-17 11:05:49,337 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 11:05:49,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 206 events. 0/206 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-10-17 11:05:49,341 INFO L82 GeneralOperation]: Start removeDead. Operand has 211 places, 207 transitions, 419 flow [2022-10-17 11:05:49,357 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 210 places, 206 transitions, 415 flow [2022-10-17 11:05:49,379 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 11:05:49,388 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;@77ce52be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 11:05:49,388 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-10-17 11:05:49,405 INFO L130 PetriNetUnfolder]: 0/44 cut-off events. [2022-10-17 11:05:49,405 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 11:05:49,405 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:05:49,406 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:05:49,407 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-10-17 11:05:49,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:05:49,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1246807347, now seen corresponding path program 1 times [2022-10-17 11:05:49,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:05:49,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768761678] [2022-10-17 11:05:49,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:05:49,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:05:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:05:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:05:50,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:05:50,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768761678] [2022-10-17 11:05:50,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768761678] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:05:50,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:05:50,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 11:05:50,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964340921] [2022-10-17 11:05:50,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:05:50,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 11:05:50,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:05:50,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 11:05:50,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 11:05:50,493 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 207 [2022-10-17 11:05:50,499 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 206 transitions, 415 flow. Second operand has 6 states, 6 states have (on average 123.5) internal successors, (741), 6 states have internal predecessors, (741), 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) [2022-10-17 11:05:50,499 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:05:50,499 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 207 [2022-10-17 11:05:50,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:05:51,037 INFO L130 PetriNetUnfolder]: 360/1269 cut-off events. [2022-10-17 11:05:51,038 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 11:05:51,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2077 conditions, 1269 events. 360/1269 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6573 event pairs, 360 based on Foata normal form. 0/1100 useless extension candidates. Maximal degree in co-relation 1926. Up to 794 conditions per place. [2022-10-17 11:05:51,057 INFO L137 encePairwiseOnDemand]: 195/207 looper letters, 73 selfloop transitions, 10 changer transitions 0/204 dead transitions. [2022-10-17 11:05:51,057 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 204 transitions, 577 flow [2022-10-17 11:05:51,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 11:05:51,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 11:05:51,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 817 transitions. [2022-10-17 11:05:51,084 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6578099838969405 [2022-10-17 11:05:51,085 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 817 transitions. [2022-10-17 11:05:51,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 817 transitions. [2022-10-17 11:05:51,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:05:51,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 817 transitions. [2022-10-17 11:05:51,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 136.16666666666666) internal successors, (817), 6 states have internal predecessors, (817), 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) [2022-10-17 11:05:51,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2022-10-17 11:05:51,113 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2022-10-17 11:05:51,115 INFO L175 Difference]: Start difference. First operand has 210 places, 206 transitions, 415 flow. Second operand 6 states and 817 transitions. [2022-10-17 11:05:51,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 204 transitions, 577 flow [2022-10-17 11:05:51,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 204 transitions, 576 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-10-17 11:05:51,132 INFO L231 Difference]: Finished difference. Result has 212 places, 204 transitions, 430 flow [2022-10-17 11:05:51,134 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=430, PETRI_PLACES=212, PETRI_TRANSITIONS=204} [2022-10-17 11:05:51,138 INFO L287 CegarLoopForPetriNet]: 210 programPoint places, 2 predicate places. [2022-10-17 11:05:51,139 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 204 transitions, 430 flow [2022-10-17 11:05:51,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 123.5) internal successors, (741), 6 states have internal predecessors, (741), 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) [2022-10-17 11:05:51,141 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:05:51,141 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:05:51,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 11:05:51,141 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-10-17 11:05:51,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:05:51,143 INFO L85 PathProgramCache]: Analyzing trace with hash -607585706, now seen corresponding path program 1 times [2022-10-17 11:05:51,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:05:51,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671304798] [2022-10-17 11:05:51,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:05:51,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:05:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:05:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:05:51,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:05:51,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671304798] [2022-10-17 11:05:51,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671304798] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:05:51,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:05:51,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 11:05:51,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433657885] [2022-10-17 11:05:51,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:05:51,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 11:05:51,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:05:51,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 11:05:51,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 11:05:51,731 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 207 [2022-10-17 11:05:51,732 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 204 transitions, 430 flow. Second operand has 6 states, 6 states have (on average 124.5) internal successors, (747), 6 states have internal predecessors, (747), 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) [2022-10-17 11:05:51,732 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:05:51,733 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 207 [2022-10-17 11:05:51,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:05:52,234 INFO L130 PetriNetUnfolder]: 360/1267 cut-off events. [2022-10-17 11:05:52,234 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-10-17 11:05:52,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2083 conditions, 1267 events. 360/1267 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6554 event pairs, 360 based on Foata normal form. 0/1100 useless extension candidates. Maximal degree in co-relation 1968. Up to 792 conditions per place. [2022-10-17 11:05:52,245 INFO L137 encePairwiseOnDemand]: 195/207 looper letters, 71 selfloop transitions, 10 changer transitions 0/202 dead transitions. [2022-10-17 11:05:52,245 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 202 transitions, 588 flow [2022-10-17 11:05:52,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 11:05:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 11:05:52,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 815 transitions. [2022-10-17 11:05:52,249 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6561996779388084 [2022-10-17 11:05:52,249 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 815 transitions. [2022-10-17 11:05:52,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 815 transitions. [2022-10-17 11:05:52,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:05:52,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 815 transitions. [2022-10-17 11:05:52,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 135.83333333333334) internal successors, (815), 6 states have internal predecessors, (815), 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) [2022-10-17 11:05:52,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2022-10-17 11:05:52,258 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2022-10-17 11:05:52,258 INFO L175 Difference]: Start difference. First operand has 212 places, 204 transitions, 430 flow. Second operand 6 states and 815 transitions. [2022-10-17 11:05:52,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 202 transitions, 588 flow [2022-10-17 11:05:52,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 202 transitions, 568 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-10-17 11:05:52,270 INFO L231 Difference]: Finished difference. Result has 210 places, 202 transitions, 426 flow [2022-10-17 11:05:52,271 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=426, PETRI_PLACES=210, PETRI_TRANSITIONS=202} [2022-10-17 11:05:52,272 INFO L287 CegarLoopForPetriNet]: 210 programPoint places, 0 predicate places. [2022-10-17 11:05:52,272 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 202 transitions, 426 flow [2022-10-17 11:05:52,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.5) internal successors, (747), 6 states have internal predecessors, (747), 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) [2022-10-17 11:05:52,273 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:05:52,273 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:05:52,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 11:05:52,274 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-10-17 11:05:52,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:05:52,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1856806696, now seen corresponding path program 1 times [2022-10-17 11:05:52,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:05:52,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059923349] [2022-10-17 11:05:52,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:05:52,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:05:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:05:52,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:05:52,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:05:52,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059923349] [2022-10-17 11:05:52,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059923349] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:05:52,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:05:52,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 11:05:52,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71021327] [2022-10-17 11:05:52,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:05:52,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 11:05:52,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:05:52,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 11:05:52,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 11:05:52,363 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 207 [2022-10-17 11:05:52,365 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 202 transitions, 426 flow. Second operand has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 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) [2022-10-17 11:05:52,365 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:05:52,365 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 207 [2022-10-17 11:05:52,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:05:52,477 INFO L130 PetriNetUnfolder]: 18/352 cut-off events. [2022-10-17 11:05:52,478 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 11:05:52,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 352 events. 18/352 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 807 event pairs, 18 based on Foata normal form. 0/313 useless extension candidates. Maximal degree in co-relation 318. Up to 56 conditions per place. [2022-10-17 11:05:52,480 INFO L137 encePairwiseOnDemand]: 204/207 looper letters, 19 selfloop transitions, 2 changer transitions 0/201 dead transitions. [2022-10-17 11:05:52,480 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 201 transitions, 466 flow [2022-10-17 11:05:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 11:05:52,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 11:05:52,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 577 transitions. [2022-10-17 11:05:52,484 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.92914653784219 [2022-10-17 11:05:52,484 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 577 transitions. [2022-10-17 11:05:52,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 577 transitions. [2022-10-17 11:05:52,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:05:52,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 577 transitions. [2022-10-17 11:05:52,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 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) [2022-10-17 11:05:52,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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) [2022-10-17 11:05:52,492 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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) [2022-10-17 11:05:52,492 INFO L175 Difference]: Start difference. First operand has 210 places, 202 transitions, 426 flow. Second operand 3 states and 577 transitions. [2022-10-17 11:05:52,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 201 transitions, 466 flow [2022-10-17 11:05:52,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 201 transitions, 446 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-10-17 11:05:52,499 INFO L231 Difference]: Finished difference. Result has 206 places, 201 transitions, 408 flow [2022-10-17 11:05:52,499 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=206, PETRI_TRANSITIONS=201} [2022-10-17 11:05:52,502 INFO L287 CegarLoopForPetriNet]: 210 programPoint places, -4 predicate places. [2022-10-17 11:05:52,502 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 201 transitions, 408 flow [2022-10-17 11:05:52,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 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) [2022-10-17 11:05:52,503 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:05:52,503 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:05:52,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 11:05:52,504 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-10-17 11:05:52,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:05:52,504 INFO L85 PathProgramCache]: Analyzing trace with hash 85833681, now seen corresponding path program 1 times [2022-10-17 11:05:52,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:05:52,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972684978] [2022-10-17 11:05:52,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:05:52,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:05:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:05:52,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:05:52,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:05:52,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972684978] [2022-10-17 11:05:52,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972684978] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:05:52,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:05:52,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 11:05:52,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083253025] [2022-10-17 11:05:52,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:05:52,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 11:05:52,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:05:52,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 11:05:52,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 11:05:52,593 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 207 [2022-10-17 11:05:52,594 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 201 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 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) [2022-10-17 11:05:52,594 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:05:52,594 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 207 [2022-10-17 11:05:52,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:05:52,675 INFO L130 PetriNetUnfolder]: 8/297 cut-off events. [2022-10-17 11:05:52,675 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 11:05:52,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 297 events. 8/297 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 491 event pairs, 8 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 265. Up to 27 conditions per place. [2022-10-17 11:05:52,677 INFO L137 encePairwiseOnDemand]: 201/207 looper letters, 12 selfloop transitions, 1 changer transitions 0/196 dead transitions. [2022-10-17 11:05:52,677 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 196 transitions, 424 flow [2022-10-17 11:05:52,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 11:05:52,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 11:05:52,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 582 transitions. [2022-10-17 11:05:52,680 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9371980676328503 [2022-10-17 11:05:52,680 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 582 transitions. [2022-10-17 11:05:52,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 582 transitions. [2022-10-17 11:05:52,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:05:52,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 582 transitions. [2022-10-17 11:05:52,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.0) internal successors, (582), 3 states have internal predecessors, (582), 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) [2022-10-17 11:05:52,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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) [2022-10-17 11:05:52,690 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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) [2022-10-17 11:05:52,690 INFO L175 Difference]: Start difference. First operand has 206 places, 201 transitions, 408 flow. Second operand 3 states and 582 transitions. [2022-10-17 11:05:52,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 196 transitions, 424 flow [2022-10-17 11:05:52,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 196 transitions, 420 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-10-17 11:05:52,696 INFO L231 Difference]: Finished difference. Result has 201 places, 196 transitions, 396 flow [2022-10-17 11:05:52,697 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=201, PETRI_TRANSITIONS=196} [2022-10-17 11:05:52,698 INFO L287 CegarLoopForPetriNet]: 210 programPoint places, -9 predicate places. [2022-10-17 11:05:52,699 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 196 transitions, 396 flow [2022-10-17 11:05:52,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 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) [2022-10-17 11:05:52,705 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:05:52,705 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:05:52,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 11:05:52,706 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-10-17 11:05:52,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:05:52,706 INFO L85 PathProgramCache]: Analyzing trace with hash -409921448, now seen corresponding path program 1 times [2022-10-17 11:05:52,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:05:52,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824721181] [2022-10-17 11:05:52,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:05:52,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:05:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:05:53,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:05:53,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:05:53,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824721181] [2022-10-17 11:05:53,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824721181] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:05:53,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:05:53,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 11:05:53,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120502126] [2022-10-17 11:05:53,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:05:53,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 11:05:53,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:05:53,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 11:05:53,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 11:05:53,363 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 207 [2022-10-17 11:05:53,365 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 196 transitions, 396 flow. Second operand has 6 states, 6 states have (on average 129.16666666666666) internal successors, (775), 6 states have internal predecessors, (775), 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) [2022-10-17 11:05:53,366 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:05:53,366 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 207 [2022-10-17 11:05:53,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:05:53,775 INFO L130 PetriNetUnfolder]: 416/1345 cut-off events. [2022-10-17 11:05:53,775 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 11:05:53,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2261 conditions, 1345 events. 416/1345 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6870 event pairs, 416 based on Foata normal form. 0/1199 useless extension candidates. Maximal degree in co-relation 2182. Up to 906 conditions per place. [2022-10-17 11:05:53,785 INFO L137 encePairwiseOnDemand]: 201/207 looper letters, 73 selfloop transitions, 5 changer transitions 0/195 dead transitions. [2022-10-17 11:05:53,785 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 195 transitions, 550 flow [2022-10-17 11:05:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 11:05:53,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 11:05:53,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 823 transitions. [2022-10-17 11:05:53,790 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6626409017713365 [2022-10-17 11:05:53,790 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 823 transitions. [2022-10-17 11:05:53,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 823 transitions. [2022-10-17 11:05:53,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:05:53,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 823 transitions. [2022-10-17 11:05:53,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 137.16666666666666) internal successors, (823), 6 states have internal predecessors, (823), 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) [2022-10-17 11:05:53,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2022-10-17 11:05:53,797 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2022-10-17 11:05:53,798 INFO L175 Difference]: Start difference. First operand has 201 places, 196 transitions, 396 flow. Second operand 6 states and 823 transitions. [2022-10-17 11:05:53,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 195 transitions, 550 flow [2022-10-17 11:05:53,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 195 transitions, 549 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-10-17 11:05:53,803 INFO L231 Difference]: Finished difference. Result has 204 places, 195 transitions, 403 flow [2022-10-17 11:05:53,804 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=403, PETRI_PLACES=204, PETRI_TRANSITIONS=195} [2022-10-17 11:05:53,807 INFO L287 CegarLoopForPetriNet]: 210 programPoint places, -6 predicate places. [2022-10-17 11:05:53,807 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 195 transitions, 403 flow [2022-10-17 11:05:53,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 129.16666666666666) internal successors, (775), 6 states have internal predecessors, (775), 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) [2022-10-17 11:05:53,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:05:53,808 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:05:53,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 11:05:53,809 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-10-17 11:05:53,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:05:53,810 INFO L85 PathProgramCache]: Analyzing trace with hash 999506412, now seen corresponding path program 1 times [2022-10-17 11:05:53,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:05:53,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094246287] [2022-10-17 11:05:53,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:05:53,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:05:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:05:54,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:05:54,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:05:54,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094246287] [2022-10-17 11:05:54,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094246287] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:05:54,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:05:54,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 11:05:54,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248189631] [2022-10-17 11:05:54,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:05:54,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 11:05:54,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:05:54,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 11:05:54,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 11:05:54,464 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 207 [2022-10-17 11:05:54,465 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 195 transitions, 403 flow. Second operand has 6 states, 6 states have (on average 133.0) internal successors, (798), 6 states have internal predecessors, (798), 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) [2022-10-17 11:05:54,465 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:05:54,465 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 207 [2022-10-17 11:05:54,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:05:55,526 INFO L130 PetriNetUnfolder]: 748/2372 cut-off events. [2022-10-17 11:05:55,527 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 11:05:55,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4005 conditions, 2372 events. 748/2372 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 15064 event pairs, 76 based on Foata normal form. 0/2127 useless extension candidates. Maximal degree in co-relation 3927. Up to 781 conditions per place. [2022-10-17 11:05:55,544 INFO L137 encePairwiseOnDemand]: 179/207 looper letters, 161 selfloop transitions, 70 changer transitions 0/351 dead transitions. [2022-10-17 11:05:55,544 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 351 transitions, 1177 flow [2022-10-17 11:05:55,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 11:05:55,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 11:05:55,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 995 transitions. [2022-10-17 11:05:55,549 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8011272141706924 [2022-10-17 11:05:55,550 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 995 transitions. [2022-10-17 11:05:55,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 995 transitions. [2022-10-17 11:05:55,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:05:55,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 995 transitions. [2022-10-17 11:05:55,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 165.83333333333334) internal successors, (995), 6 states have internal predecessors, (995), 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) [2022-10-17 11:05:55,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2022-10-17 11:05:55,558 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2022-10-17 11:05:55,558 INFO L175 Difference]: Start difference. First operand has 204 places, 195 transitions, 403 flow. Second operand 6 states and 995 transitions. [2022-10-17 11:05:55,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 351 transitions, 1177 flow [2022-10-17 11:05:55,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 351 transitions, 1167 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-10-17 11:05:55,568 INFO L231 Difference]: Finished difference. Result has 208 places, 265 transitions, 871 flow [2022-10-17 11:05:55,569 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=871, PETRI_PLACES=208, PETRI_TRANSITIONS=265} [2022-10-17 11:05:55,570 INFO L287 CegarLoopForPetriNet]: 210 programPoint places, -2 predicate places. [2022-10-17 11:05:55,570 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 265 transitions, 871 flow [2022-10-17 11:05:55,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.0) internal successors, (798), 6 states have internal predecessors, (798), 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) [2022-10-17 11:05:55,571 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:05:55,571 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:05:55,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 11:05:55,572 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-10-17 11:05:55,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:05:55,572 INFO L85 PathProgramCache]: Analyzing trace with hash 714264328, now seen corresponding path program 1 times [2022-10-17 11:05:55,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:05:55,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173889924] [2022-10-17 11:05:55,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:05:55,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:05:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:05:56,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:05:56,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:05:56,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173889924] [2022-10-17 11:05:56,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173889924] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:05:56,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:05:56,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 11:05:56,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287510940] [2022-10-17 11:05:56,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:05:56,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 11:05:56,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:05:56,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 11:05:56,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 11:05:56,229 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 207 [2022-10-17 11:05:56,230 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 265 transitions, 871 flow. Second operand has 6 states, 6 states have (on average 133.83333333333334) internal successors, (803), 6 states have internal predecessors, (803), 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) [2022-10-17 11:05:56,230 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:05:56,231 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 207 [2022-10-17 11:05:56,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:05:57,006 INFO L130 PetriNetUnfolder]: 836/2669 cut-off events. [2022-10-17 11:05:57,006 INFO L131 PetriNetUnfolder]: For 869/869 co-relation queries the response was YES. [2022-10-17 11:05:57,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5902 conditions, 2669 events. 836/2669 cut-off events. For 869/869 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 17290 event pairs, 379 based on Foata normal form. 0/2486 useless extension candidates. Maximal degree in co-relation 5822. Up to 1690 conditions per place. [2022-10-17 11:05:57,063 INFO L137 encePairwiseOnDemand]: 192/207 looper letters, 156 selfloop transitions, 48 changer transitions 0/325 dead transitions. [2022-10-17 11:05:57,064 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 325 transitions, 1495 flow [2022-10-17 11:05:57,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 11:05:57,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 11:05:57,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 895 transitions. [2022-10-17 11:05:57,068 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7206119162640902 [2022-10-17 11:05:57,068 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 895 transitions. [2022-10-17 11:05:57,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 895 transitions. [2022-10-17 11:05:57,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:05:57,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 895 transitions. [2022-10-17 11:05:57,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 149.16666666666666) internal successors, (895), 6 states have internal predecessors, (895), 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) [2022-10-17 11:05:57,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2022-10-17 11:05:57,077 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2022-10-17 11:05:57,077 INFO L175 Difference]: Start difference. First operand has 208 places, 265 transitions, 871 flow. Second operand 6 states and 895 transitions. [2022-10-17 11:05:57,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 325 transitions, 1495 flow [2022-10-17 11:05:57,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 325 transitions, 1495 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-10-17 11:05:57,094 INFO L231 Difference]: Finished difference. Result has 218 places, 308 transitions, 1259 flow [2022-10-17 11:05:57,095 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=871, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1259, PETRI_PLACES=218, PETRI_TRANSITIONS=308} [2022-10-17 11:05:57,096 INFO L287 CegarLoopForPetriNet]: 210 programPoint places, 8 predicate places. [2022-10-17 11:05:57,096 INFO L495 AbstractCegarLoop]: Abstraction has has 218 places, 308 transitions, 1259 flow [2022-10-17 11:05:57,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.83333333333334) internal successors, (803), 6 states have internal predecessors, (803), 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) [2022-10-17 11:05:57,097 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:05:57,097 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:05:57,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-17 11:05:57,098 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-10-17 11:05:57,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:05:57,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1088143909, now seen corresponding path program 1 times [2022-10-17 11:05:57,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:05:57,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008289365] [2022-10-17 11:05:57,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:05:57,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:05:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:05:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:05:57,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:05:57,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008289365] [2022-10-17 11:05:57,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008289365] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:05:57,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:05:57,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 11:05:57,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509188309] [2022-10-17 11:05:57,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:05:57,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 11:05:57,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:05:57,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 11:05:57,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 11:05:57,789 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 207 [2022-10-17 11:05:57,790 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 308 transitions, 1259 flow. Second operand has 6 states, 6 states have (on average 135.0) internal successors, (810), 6 states have internal predecessors, (810), 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) [2022-10-17 11:05:57,790 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:05:57,790 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 207 [2022-10-17 11:05:57,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:05:58,944 INFO L130 PetriNetUnfolder]: 1029/3400 cut-off events. [2022-10-17 11:05:58,945 INFO L131 PetriNetUnfolder]: For 2093/2128 co-relation queries the response was YES. [2022-10-17 11:05:58,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8414 conditions, 3400 events. 1029/3400 cut-off events. For 2093/2128 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 24266 event pairs, 193 based on Foata normal form. 0/3270 useless extension candidates. Maximal degree in co-relation 8326. Up to 1659 conditions per place. [2022-10-17 11:05:58,975 INFO L137 encePairwiseOnDemand]: 185/207 looper letters, 262 selfloop transitions, 135 changer transitions 4/523 dead transitions. [2022-10-17 11:05:58,975 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 523 transitions, 3153 flow [2022-10-17 11:05:58,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 11:05:58,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 11:05:58,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 962 transitions. [2022-10-17 11:05:58,979 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7745571658615137 [2022-10-17 11:05:58,979 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 962 transitions. [2022-10-17 11:05:58,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 962 transitions. [2022-10-17 11:05:58,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:05:58,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 962 transitions. [2022-10-17 11:05:58,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 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) [2022-10-17 11:05:58,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2022-10-17 11:05:58,988 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2022-10-17 11:05:58,988 INFO L175 Difference]: Start difference. First operand has 218 places, 308 transitions, 1259 flow. Second operand 6 states and 962 transitions. [2022-10-17 11:05:58,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 523 transitions, 3153 flow [2022-10-17 11:05:59,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 523 transitions, 3135 flow, removed 9 selfloop flow, removed 0 redundant places. [2022-10-17 11:05:59,018 INFO L231 Difference]: Finished difference. Result has 228 places, 438 transitions, 2599 flow [2022-10-17 11:05:59,018 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=1241, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2599, PETRI_PLACES=228, PETRI_TRANSITIONS=438} [2022-10-17 11:05:59,019 INFO L287 CegarLoopForPetriNet]: 210 programPoint places, 18 predicate places. [2022-10-17 11:05:59,019 INFO L495 AbstractCegarLoop]: Abstraction has has 228 places, 438 transitions, 2599 flow [2022-10-17 11:05:59,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 135.0) internal successors, (810), 6 states have internal predecessors, (810), 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) [2022-10-17 11:05:59,020 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:05:59,020 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:05:59,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-17 11:05:59,021 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-10-17 11:05:59,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:05:59,021 INFO L85 PathProgramCache]: Analyzing trace with hash 2037520121, now seen corresponding path program 1 times [2022-10-17 11:05:59,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:05:59,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037926542] [2022-10-17 11:05:59,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:05:59,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:05:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:06:00,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:06:00,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037926542] [2022-10-17 11:06:00,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037926542] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:06:00,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:06:00,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-17 11:06:00,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365909039] [2022-10-17 11:06:00,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:06:00,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-17 11:06:00,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:06:00,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-17 11:06:00,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-10-17 11:06:00,195 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 207 [2022-10-17 11:06:00,198 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 438 transitions, 2599 flow. Second operand has 13 states, 13 states have (on average 112.07692307692308) internal successors, (1457), 13 states have internal predecessors, (1457), 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) [2022-10-17 11:06:00,198 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:06:00,198 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 207 [2022-10-17 11:06:00,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:06:03,243 INFO L130 PetriNetUnfolder]: 1672/5539 cut-off events. [2022-10-17 11:06:03,243 INFO L131 PetriNetUnfolder]: For 6159/6247 co-relation queries the response was YES. [2022-10-17 11:06:03,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15829 conditions, 5539 events. 1672/5539 cut-off events. For 6159/6247 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 45628 event pairs, 286 based on Foata normal form. 26/5419 useless extension candidates. Maximal degree in co-relation 15728. Up to 1193 conditions per place. [2022-10-17 11:06:03,310 INFO L137 encePairwiseOnDemand]: 170/207 looper letters, 621 selfloop transitions, 192 changer transitions 6/921 dead transitions. [2022-10-17 11:06:03,310 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 921 transitions, 7285 flow [2022-10-17 11:06:03,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-17 11:06:03,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-10-17 11:06:03,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2611 transitions. [2022-10-17 11:06:03,320 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6306763285024155 [2022-10-17 11:06:03,321 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2611 transitions. [2022-10-17 11:06:03,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2611 transitions. [2022-10-17 11:06:03,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:06:03,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2611 transitions. [2022-10-17 11:06:03,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 130.55) internal successors, (2611), 20 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 11:06:03,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 207.0) internal successors, (4347), 21 states have internal predecessors, (4347), 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) [2022-10-17 11:06:03,342 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 207.0) internal successors, (4347), 21 states have internal predecessors, (4347), 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) [2022-10-17 11:06:03,343 INFO L175 Difference]: Start difference. First operand has 228 places, 438 transitions, 2599 flow. Second operand 20 states and 2611 transitions. [2022-10-17 11:06:03,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 921 transitions, 7285 flow [2022-10-17 11:06:03,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 921 transitions, 7213 flow, removed 36 selfloop flow, removed 0 redundant places. [2022-10-17 11:06:03,418 INFO L231 Difference]: Finished difference. Result has 263 places, 535 transitions, 4257 flow [2022-10-17 11:06:03,419 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=2563, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=4257, PETRI_PLACES=263, PETRI_TRANSITIONS=535} [2022-10-17 11:06:03,420 INFO L287 CegarLoopForPetriNet]: 210 programPoint places, 53 predicate places. [2022-10-17 11:06:03,420 INFO L495 AbstractCegarLoop]: Abstraction has has 263 places, 535 transitions, 4257 flow [2022-10-17 11:06:03,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 112.07692307692308) internal successors, (1457), 13 states have internal predecessors, (1457), 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) [2022-10-17 11:06:03,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:06:03,421 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:06:03,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-17 11:06:03,422 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-10-17 11:06:03,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:06:03,422 INFO L85 PathProgramCache]: Analyzing trace with hash 115484839, now seen corresponding path program 2 times [2022-10-17 11:06:03,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:06:03,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679899389] [2022-10-17 11:06:03,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:06:03,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:06:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:04,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:06:04,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:06:04,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679899389] [2022-10-17 11:06:04,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679899389] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:06:04,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:06:04,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-17 11:06:04,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964532005] [2022-10-17 11:06:04,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:06:04,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-17 11:06:04,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:06:04,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-17 11:06:04,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-10-17 11:06:04,282 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 207 [2022-10-17 11:06:04,284 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 535 transitions, 4257 flow. Second operand has 13 states, 13 states have (on average 112.07692307692308) internal successors, (1457), 13 states have internal predecessors, (1457), 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) [2022-10-17 11:06:04,284 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:06:04,284 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 207 [2022-10-17 11:06:04,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:06:07,955 INFO L130 PetriNetUnfolder]: 1848/6128 cut-off events. [2022-10-17 11:06:07,955 INFO L131 PetriNetUnfolder]: For 10491/10656 co-relation queries the response was YES. [2022-10-17 11:06:07,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19659 conditions, 6128 events. 1848/6128 cut-off events. For 10491/10656 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 51220 event pairs, 277 based on Foata normal form. 48/5984 useless extension candidates. Maximal degree in co-relation 19538. Up to 2087 conditions per place. [2022-10-17 11:06:08,019 INFO L137 encePairwiseOnDemand]: 181/207 looper letters, 723 selfloop transitions, 141 changer transitions 6/972 dead transitions. [2022-10-17 11:06:08,020 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 972 transitions, 8885 flow [2022-10-17 11:06:08,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-17 11:06:08,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2022-10-17 11:06:08,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3564 transitions. [2022-10-17 11:06:08,034 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.5937031484257871 [2022-10-17 11:06:08,035 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3564 transitions. [2022-10-17 11:06:08,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3564 transitions. [2022-10-17 11:06:08,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:06:08,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3564 transitions. [2022-10-17 11:06:08,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 122.89655172413794) internal successors, (3564), 29 states have internal predecessors, (3564), 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) [2022-10-17 11:06:08,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 207.0) internal successors, (6210), 30 states have internal predecessors, (6210), 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) [2022-10-17 11:06:08,064 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 207.0) internal successors, (6210), 30 states have internal predecessors, (6210), 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) [2022-10-17 11:06:08,065 INFO L175 Difference]: Start difference. First operand has 263 places, 535 transitions, 4257 flow. Second operand 29 states and 3564 transitions. [2022-10-17 11:06:08,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 972 transitions, 8885 flow [2022-10-17 11:06:08,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 972 transitions, 8875 flow, removed 3 selfloop flow, removed 2 redundant places. [2022-10-17 11:06:08,176 INFO L231 Difference]: Finished difference. Result has 297 places, 602 transitions, 5259 flow [2022-10-17 11:06:08,178 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=4247, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=535, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=5259, PETRI_PLACES=297, PETRI_TRANSITIONS=602} [2022-10-17 11:06:08,178 INFO L287 CegarLoopForPetriNet]: 210 programPoint places, 87 predicate places. [2022-10-17 11:06:08,179 INFO L495 AbstractCegarLoop]: Abstraction has has 297 places, 602 transitions, 5259 flow [2022-10-17 11:06:08,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 112.07692307692308) internal successors, (1457), 13 states have internal predecessors, (1457), 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) [2022-10-17 11:06:08,180 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:06:08,180 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:06:08,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-17 11:06:08,180 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-10-17 11:06:08,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:06:08,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1746453429, now seen corresponding path program 3 times [2022-10-17 11:06:08,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:06:08,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792218247] [2022-10-17 11:06:08,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:06:08,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:06:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:06:09,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:06:09,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792218247] [2022-10-17 11:06:09,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792218247] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:06:09,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:06:09,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-17 11:06:09,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866212971] [2022-10-17 11:06:09,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:06:09,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-17 11:06:09,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:06:09,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-17 11:06:09,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-10-17 11:06:09,004 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 207 [2022-10-17 11:06:09,016 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 602 transitions, 5259 flow. Second operand has 13 states, 13 states have (on average 112.07692307692308) internal successors, (1457), 13 states have internal predecessors, (1457), 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) [2022-10-17 11:06:09,017 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:06:09,018 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 207 [2022-10-17 11:06:09,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 11:06:13,427 INFO L130 PetriNetUnfolder]: 2603/8767 cut-off events. [2022-10-17 11:06:13,427 INFO L131 PetriNetUnfolder]: For 21364/21561 co-relation queries the response was YES. [2022-10-17 11:06:13,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30120 conditions, 8767 events. 2603/8767 cut-off events. For 21364/21561 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 82109 event pairs, 464 based on Foata normal form. 71/8598 useless extension candidates. Maximal degree in co-relation 29989. Up to 1724 conditions per place. [2022-10-17 11:06:13,547 INFO L137 encePairwiseOnDemand]: 174/207 looper letters, 771 selfloop transitions, 305 changer transitions 6/1184 dead transitions. [2022-10-17 11:06:13,547 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 1184 transitions, 12041 flow [2022-10-17 11:06:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-17 11:06:13,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2022-10-17 11:06:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 3744 transitions. [2022-10-17 11:06:13,560 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6028985507246377 [2022-10-17 11:06:13,560 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 3744 transitions. [2022-10-17 11:06:13,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 3744 transitions. [2022-10-17 11:06:13,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 11:06:13,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 3744 transitions. [2022-10-17 11:06:13,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 124.8) internal successors, (3744), 30 states have internal predecessors, (3744), 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) [2022-10-17 11:06:13,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 207.0) internal successors, (6417), 31 states have internal predecessors, (6417), 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) [2022-10-17 11:06:13,587 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 207.0) internal successors, (6417), 31 states have internal predecessors, (6417), 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) [2022-10-17 11:06:13,588 INFO L175 Difference]: Start difference. First operand has 297 places, 602 transitions, 5259 flow. Second operand 30 states and 3744 transitions. [2022-10-17 11:06:13,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 1184 transitions, 12041 flow [2022-10-17 11:06:13,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 1184 transitions, 11961 flow, removed 38 selfloop flow, removed 2 redundant places. [2022-10-17 11:06:13,811 INFO L231 Difference]: Finished difference. Result has 341 places, 739 transitions, 8336 flow [2022-10-17 11:06:13,812 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=5209, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=8336, PETRI_PLACES=341, PETRI_TRANSITIONS=739} [2022-10-17 11:06:13,813 INFO L287 CegarLoopForPetriNet]: 210 programPoint places, 131 predicate places. [2022-10-17 11:06:13,813 INFO L495 AbstractCegarLoop]: Abstraction has has 341 places, 739 transitions, 8336 flow [2022-10-17 11:06:13,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 112.07692307692308) internal successors, (1457), 13 states have internal predecessors, (1457), 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) [2022-10-17 11:06:13,813 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 11:06:13,814 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:06:13,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-17 11:06:13,814 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-10-17 11:06:13,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:06:13,814 INFO L85 PathProgramCache]: Analyzing trace with hash -345210710, now seen corresponding path program 1 times [2022-10-17 11:06:13,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:06:13,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659619646] [2022-10-17 11:06:13,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:06:13,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:06:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:06:14,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:06:14,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:06:14,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659619646] [2022-10-17 11:06:14,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659619646] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:06:14,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:06:14,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-17 11:06:14,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678126893] [2022-10-17 11:06:14,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:06:14,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-17 11:06:14,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:06:14,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-17 11:06:14,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-10-17 11:06:14,565 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 207 [2022-10-17 11:06:14,566 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 739 transitions, 8336 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 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) [2022-10-17 11:06:14,567 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 11:06:14,567 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 207 [2022-10-17 11:06:14,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand