./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_74-tricky_address1_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_74-tricky_address1_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 9a7db49c8892594e32a30fa9165fc3ad1a94911917cd8b63757bb8f24f04b536 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 15:50:28,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 15:50:28,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 15:50:28,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 15:50:28,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 15:50:28,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 15:50:28,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 15:50:28,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 15:50:28,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 15:50:28,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 15:50:28,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 15:50:28,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 15:50:28,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 15:50:28,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 15:50:28,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 15:50:28,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 15:50:28,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 15:50:28,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 15:50:28,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 15:50:28,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 15:50:28,795 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 15:50:28,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 15:50:28,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 15:50:28,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 15:50:28,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 15:50:28,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 15:50:28,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 15:50:28,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 15:50:28,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 15:50:28,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 15:50:28,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 15:50:28,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 15:50:28,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 15:50:28,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 15:50:28,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 15:50:28,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 15:50:28,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 15:50:28,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 15:50:28,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 15:50:28,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 15:50:28,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 15:50:28,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 15:50:28,819 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 15:50:28,846 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 15:50:28,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 15:50:28,847 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 15:50:28,847 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 15:50:28,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 15:50:28,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 15:50:28,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 15:50:28,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 15:50:28,849 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 15:50:28,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 15:50:28,850 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 15:50:28,851 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 15:50:28,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 15:50:28,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 15:50:28,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 15:50:28,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 15:50:28,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 15:50:28,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 15:50:28,852 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 15:50:28,853 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 15:50:28,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 15:50:28,854 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 15:50:28,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 15:50:28,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 15:50:28,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 15:50:28,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 15:50:28,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:50:28,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 15:50:28,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 15:50:28,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 15:50:28,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 15:50:28,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 15:50:28,856 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 15:50:28,857 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 15:50:28,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 15:50:28,857 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a7db49c8892594e32a30fa9165fc3ad1a94911917cd8b63757bb8f24f04b536 [2022-04-18 15:50:29,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 15:50:29,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 15:50:29,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 15:50:29,129 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 15:50:29,129 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 15:50:29,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_74-tricky_address1_racefree.i [2022-04-18 15:50:29,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8111a3547/9663fb84f8814d74a4c160cde12ae09d/FLAG0bf206678 [2022-04-18 15:50:29,681 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 15:50:29,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_74-tricky_address1_racefree.i [2022-04-18 15:50:29,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8111a3547/9663fb84f8814d74a4c160cde12ae09d/FLAG0bf206678 [2022-04-18 15:50:30,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8111a3547/9663fb84f8814d74a4c160cde12ae09d [2022-04-18 15:50:30,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 15:50:30,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 15:50:30,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 15:50:30,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 15:50:30,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 15:50:30,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:50:30" (1/1) ... [2022-04-18 15:50:30,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb785c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:50:30, skipping insertion in model container [2022-04-18 15:50:30,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:50:30" (1/1) ... [2022-04-18 15:50:30,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 15:50:30,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 15:50:30,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_74-tricky_address1_racefree.i[41323,41336] [2022-04-18 15:50:30,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:50:30,529 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 15:50:30,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_74-tricky_address1_racefree.i[41323,41336] [2022-04-18 15:50:30,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:50:30,639 INFO L208 MainTranslator]: Completed translation [2022-04-18 15:50:30,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:50:30 WrapperNode [2022-04-18 15:50:30,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 15:50:30,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 15:50:30,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 15:50:30,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 15:50:30,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:50:30" (1/1) ... [2022-04-18 15:50:30,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:50:30" (1/1) ... [2022-04-18 15:50:30,705 INFO L137 Inliner]: procedures = 270, calls = 41, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 249 [2022-04-18 15:50:30,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 15:50:30,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 15:50:30,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 15:50:30,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 15:50:30,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:50:30" (1/1) ... [2022-04-18 15:50:30,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:50:30" (1/1) ... [2022-04-18 15:50:30,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:50:30" (1/1) ... [2022-04-18 15:50:30,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:50:30" (1/1) ... [2022-04-18 15:50:30,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:50:30" (1/1) ... [2022-04-18 15:50:30,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:50:30" (1/1) ... [2022-04-18 15:50:30,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:50:30" (1/1) ... [2022-04-18 15:50:30,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 15:50:30,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 15:50:30,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 15:50:30,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 15:50:30,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:50:30" (1/1) ... [2022-04-18 15:50:30,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:50:30,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:50:30,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 15:50:30,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 15:50:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 15:50:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 15:50:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 15:50:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 15:50:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 15:50:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 15:50:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-04-18 15:50:30,860 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-04-18 15:50:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 15:50:30,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 15:50:30,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 15:50:30,870 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 15:50:31,040 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 15:50:31,042 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 15:50:31,395 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 15:50:31,413 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 15:50:31,414 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2022-04-18 15:50:31,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:50:31 BoogieIcfgContainer [2022-04-18 15:50:31,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 15:50:31,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 15:50:31,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 15:50:31,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 15:50:31,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 03:50:30" (1/3) ... [2022-04-18 15:50:31,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754ec2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:50:31, skipping insertion in model container [2022-04-18 15:50:31,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:50:30" (2/3) ... [2022-04-18 15:50:31,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754ec2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:50:31, skipping insertion in model container [2022-04-18 15:50:31,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:50:31" (3/3) ... [2022-04-18 15:50:31,426 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_74-tricky_address1_racefree.i [2022-04-18 15:50:31,435 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 15:50:31,436 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 15:50:31,436 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2022-04-18 15:50:31,436 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 15:50:31,549 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-04-18 15:50:31,609 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 15:50:31,614 INFO L340 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 [2022-04-18 15:50:31,614 INFO L341 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2022-04-18 15:50:31,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 241 places, 269 transitions, 546 flow [2022-04-18 15:50:31,723 INFO L129 PetriNetUnfolder]: 45/380 cut-off events. [2022-04-18 15:50:31,723 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 15:50:31,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 380 events. 45/380 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1545 event pairs, 0 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 219. Up to 8 conditions per place. [2022-04-18 15:50:31,739 INFO L82 GeneralOperation]: Start removeDead. Operand has 241 places, 269 transitions, 546 flow [2022-04-18 15:50:31,747 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 241 places, 269 transitions, 546 flow [2022-04-18 15:50:31,764 INFO L129 PetriNetUnfolder]: 11/121 cut-off events. [2022-04-18 15:50:31,764 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 15:50:31,765 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:50:31,765 INFO L255 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] [2022-04-18 15:50:31,766 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-04-18 15:50:31,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:50:31,770 INFO L85 PathProgramCache]: Analyzing trace with hash -281427342, now seen corresponding path program 1 times [2022-04-18 15:50:31,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:50:31,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828227864] [2022-04-18 15:50:31,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:50:31,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:50:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:50:32,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:50:32,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:50:32,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828227864] [2022-04-18 15:50:32,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828227864] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:50:32,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:50:32,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 15:50:32,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393534168] [2022-04-18 15:50:32,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:50:32,073 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:50:32,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:50:32,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:50:32,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:50:32,110 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 269 [2022-04-18 15:50:32,118 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 269 transitions, 546 flow. Second operand has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:32,119 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:50:32,119 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 269 [2022-04-18 15:50:32,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:50:32,231 INFO L129 PetriNetUnfolder]: 5/341 cut-off events. [2022-04-18 15:50:32,231 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-04-18 15:50:32,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 341 events. 5/341 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1148 event pairs, 0 based on Foata normal form. 39/350 useless extension candidates. Maximal degree in co-relation 194. Up to 10 conditions per place. [2022-04-18 15:50:32,239 INFO L132 encePairwiseOnDemand]: 239/269 looper letters, 11 selfloop transitions, 2 changer transitions 1/244 dead transitions. [2022-04-18 15:50:32,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 244 transitions, 522 flow [2022-04-18 15:50:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:50:32,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:50:32,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 735 transitions. [2022-04-18 15:50:32,263 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9107806691449815 [2022-04-18 15:50:32,264 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 735 transitions. [2022-04-18 15:50:32,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 735 transitions. [2022-04-18 15:50:32,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:50:32,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 735 transitions. [2022-04-18 15:50:32,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:32,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 269.0) internal successors, (1076), 4 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:32,295 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 269.0) internal successors, (1076), 4 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:32,297 INFO L186 Difference]: Start difference. First operand has 241 places, 269 transitions, 546 flow. Second operand 3 states and 735 transitions. [2022-04-18 15:50:32,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 244 transitions, 522 flow [2022-04-18 15:50:32,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 244 transitions, 522 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 15:50:32,313 INFO L242 Difference]: Finished difference. Result has 242 places, 240 transitions, 498 flow [2022-04-18 15:50:32,316 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=498, PETRI_PLACES=242, PETRI_TRANSITIONS=240} [2022-04-18 15:50:32,319 INFO L335 CegarLoopForPetriNet]: 241 programPoint places, 1 predicate places. [2022-04-18 15:50:32,320 INFO L478 AbstractCegarLoop]: Abstraction has has 242 places, 240 transitions, 498 flow [2022-04-18 15:50:32,321 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:32,321 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:50:32,322 INFO L255 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] [2022-04-18 15:50:32,322 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 15:50:32,323 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-04-18 15:50:32,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:50:32,324 INFO L85 PathProgramCache]: Analyzing trace with hash 566872329, now seen corresponding path program 1 times [2022-04-18 15:50:32,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:50:32,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175560573] [2022-04-18 15:50:32,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:50:32,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:50:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:50:32,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:50:32,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:50:32,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175560573] [2022-04-18 15:50:32,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175560573] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 15:50:32,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794933777] [2022-04-18 15:50:32,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:50:32,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:50:32,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:50:32,453 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 15:50:32,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-18 15:50:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:50:32,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-18 15:50:32,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 15:50:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 15:50:32,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 15:50:32,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794933777] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:50:32,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-18 15:50:32,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-18 15:50:32,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542384082] [2022-04-18 15:50:32,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:50:32,678 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:50:32,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:50:32,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:50:32,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-18 15:50:32,680 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 269 [2022-04-18 15:50:32,682 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 240 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:32,682 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:50:32,682 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 269 [2022-04-18 15:50:32,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:50:32,764 INFO L129 PetriNetUnfolder]: 3/262 cut-off events. [2022-04-18 15:50:32,765 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-04-18 15:50:32,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 262 events. 3/262 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 569 event pairs, 0 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 251. Up to 7 conditions per place. [2022-04-18 15:50:32,769 INFO L132 encePairwiseOnDemand]: 266/269 looper letters, 9 selfloop transitions, 2 changer transitions 0/242 dead transitions. [2022-04-18 15:50:32,769 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 242 transitions, 524 flow [2022-04-18 15:50:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:50:32,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:50:32,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 705 transitions. [2022-04-18 15:50:32,772 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8736059479553904 [2022-04-18 15:50:32,772 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 705 transitions. [2022-04-18 15:50:32,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 705 transitions. [2022-04-18 15:50:32,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:50:32,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 705 transitions. [2022-04-18 15:50:32,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:32,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 269.0) internal successors, (1076), 4 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:32,779 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 269.0) internal successors, (1076), 4 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:32,779 INFO L186 Difference]: Start difference. First operand has 242 places, 240 transitions, 498 flow. Second operand 3 states and 705 transitions. [2022-04-18 15:50:32,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 242 transitions, 524 flow [2022-04-18 15:50:32,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 242 transitions, 522 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 15:50:32,791 INFO L242 Difference]: Finished difference. Result has 243 places, 240 transitions, 504 flow [2022-04-18 15:50:32,792 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=243, PETRI_TRANSITIONS=240} [2022-04-18 15:50:32,792 INFO L335 CegarLoopForPetriNet]: 241 programPoint places, 2 predicate places. [2022-04-18 15:50:32,793 INFO L478 AbstractCegarLoop]: Abstraction has has 243 places, 240 transitions, 504 flow [2022-04-18 15:50:32,793 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:32,793 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:50:32,793 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:50:32,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-18 15:50:32,994 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:50:32,995 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-04-18 15:50:32,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:50:32,995 INFO L85 PathProgramCache]: Analyzing trace with hash 232809126, now seen corresponding path program 1 times [2022-04-18 15:50:32,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:50:32,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602023963] [2022-04-18 15:50:32,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:50:32,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:50:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:50:33,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 15:50:33,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:50:33,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602023963] [2022-04-18 15:50:33,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602023963] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 15:50:33,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094040926] [2022-04-18 15:50:33,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:50:33,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:50:33,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:50:33,081 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 15:50:33,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-18 15:50:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:50:33,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2022-04-18 15:50:33,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 15:50:33,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 15:50:33,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 15:50:33,407 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 15:50:33,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094040926] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 15:50:33,409 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 15:50:33,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-04-18 15:50:33,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993556580] [2022-04-18 15:50:33,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 15:50:33,412 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-18 15:50:33,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:50:33,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-18 15:50:33,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-04-18 15:50:33,416 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 269 [2022-04-18 15:50:33,418 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 240 transitions, 504 flow. Second operand has 10 states, 10 states have (on average 232.1) internal successors, (2321), 10 states have internal predecessors, (2321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:33,418 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:50:33,418 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 269 [2022-04-18 15:50:33,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:50:33,594 INFO L129 PetriNetUnfolder]: 3/269 cut-off events. [2022-04-18 15:50:33,596 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-04-18 15:50:33,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 269 events. 3/269 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 564 event pairs, 0 based on Foata normal form. 2/252 useless extension candidates. Maximal degree in co-relation 239. Up to 7 conditions per place. [2022-04-18 15:50:33,600 INFO L132 encePairwiseOnDemand]: 263/269 looper letters, 12 selfloop transitions, 9 changer transitions 0/250 dead transitions. [2022-04-18 15:50:33,600 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 250 transitions, 568 flow [2022-04-18 15:50:33,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 15:50:33,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-04-18 15:50:33,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2093 transitions. [2022-04-18 15:50:33,606 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8645187938868236 [2022-04-18 15:50:33,607 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2093 transitions. [2022-04-18 15:50:33,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2093 transitions. [2022-04-18 15:50:33,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:50:33,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2093 transitions. [2022-04-18 15:50:33,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 232.55555555555554) internal successors, (2093), 9 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:33,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 269.0) internal successors, (2690), 10 states have internal predecessors, (2690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:33,621 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 269.0) internal successors, (2690), 10 states have internal predecessors, (2690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:33,622 INFO L186 Difference]: Start difference. First operand has 243 places, 240 transitions, 504 flow. Second operand 9 states and 2093 transitions. [2022-04-18 15:50:33,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 250 transitions, 568 flow [2022-04-18 15:50:33,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 250 transitions, 564 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:50:33,632 INFO L242 Difference]: Finished difference. Result has 252 places, 246 transitions, 550 flow [2022-04-18 15:50:33,633 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=550, PETRI_PLACES=252, PETRI_TRANSITIONS=246} [2022-04-18 15:50:33,634 INFO L335 CegarLoopForPetriNet]: 241 programPoint places, 11 predicate places. [2022-04-18 15:50:33,634 INFO L478 AbstractCegarLoop]: Abstraction has has 252 places, 246 transitions, 550 flow [2022-04-18 15:50:33,636 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 232.1) internal successors, (2321), 10 states have internal predecessors, (2321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:33,636 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:50:33,636 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:50:33,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-18 15:50:33,855 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-18 15:50:33,856 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-04-18 15:50:33,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:50:33,856 INFO L85 PathProgramCache]: Analyzing trace with hash -507063354, now seen corresponding path program 2 times [2022-04-18 15:50:33,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:50:33,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664724106] [2022-04-18 15:50:33,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:50:33,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:50:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:50:34,006 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 15:50:34,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:50:34,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664724106] [2022-04-18 15:50:34,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664724106] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 15:50:34,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509710155] [2022-04-18 15:50:34,010 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-18 15:50:34,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:50:34,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:50:34,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 15:50:34,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-18 15:50:34,095 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-18 15:50:34,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 15:50:34,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjunts are in the unsatisfiable core [2022-04-18 15:50:34,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 15:50:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 15:50:34,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 15:50:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 15:50:34,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509710155] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 15:50:34,360 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 15:50:34,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-04-18 15:50:34,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894135859] [2022-04-18 15:50:34,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 15:50:34,361 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-04-18 15:50:34,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:50:34,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-04-18 15:50:34,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-04-18 15:50:34,365 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 269 [2022-04-18 15:50:34,370 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 246 transitions, 550 flow. Second operand has 18 states, 18 states have (on average 232.27777777777777) internal successors, (4181), 18 states have internal predecessors, (4181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:34,370 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:50:34,370 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 269 [2022-04-18 15:50:34,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:50:34,612 INFO L129 PetriNetUnfolder]: 3/289 cut-off events. [2022-04-18 15:50:34,612 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2022-04-18 15:50:34,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 289 events. 3/289 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 564 event pairs, 0 based on Foata normal form. 4/274 useless extension candidates. Maximal degree in co-relation 242. Up to 11 conditions per place. [2022-04-18 15:50:34,616 INFO L132 encePairwiseOnDemand]: 263/269 looper letters, 20 selfloop transitions, 21 changer transitions 0/270 dead transitions. [2022-04-18 15:50:34,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 270 transitions, 740 flow [2022-04-18 15:50:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-04-18 15:50:34,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-04-18 15:50:34,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 4875 transitions. [2022-04-18 15:50:34,626 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8629845990440786 [2022-04-18 15:50:34,627 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 4875 transitions. [2022-04-18 15:50:34,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 4875 transitions. [2022-04-18 15:50:34,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:50:34,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 4875 transitions. [2022-04-18 15:50:34,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 232.14285714285714) internal successors, (4875), 21 states have internal predecessors, (4875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:34,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 269.0) internal successors, (5918), 22 states have internal predecessors, (5918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:34,658 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 269.0) internal successors, (5918), 22 states have internal predecessors, (5918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:34,658 INFO L186 Difference]: Start difference. First operand has 252 places, 246 transitions, 550 flow. Second operand 21 states and 4875 transitions. [2022-04-18 15:50:34,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 270 transitions, 740 flow [2022-04-18 15:50:34,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 270 transitions, 726 flow, removed 6 selfloop flow, removed 1 redundant places. [2022-04-18 15:50:34,666 INFO L242 Difference]: Finished difference. Result has 276 places, 259 transitions, 674 flow [2022-04-18 15:50:34,666 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=674, PETRI_PLACES=276, PETRI_TRANSITIONS=259} [2022-04-18 15:50:34,668 INFO L335 CegarLoopForPetriNet]: 241 programPoint places, 35 predicate places. [2022-04-18 15:50:34,668 INFO L478 AbstractCegarLoop]: Abstraction has has 276 places, 259 transitions, 674 flow [2022-04-18 15:50:34,670 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 232.27777777777777) internal successors, (4181), 18 states have internal predecessors, (4181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:34,670 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:50:34,670 INFO L255 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:50:34,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-18 15:50:34,891 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:50:34,892 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-04-18 15:50:34,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:50:34,892 INFO L85 PathProgramCache]: Analyzing trace with hash 437059078, now seen corresponding path program 3 times [2022-04-18 15:50:34,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:50:34,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471204852] [2022-04-18 15:50:34,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:50:34,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:50:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:50:35,076 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 15:50:35,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:50:35,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471204852] [2022-04-18 15:50:35,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471204852] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 15:50:35,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701415211] [2022-04-18 15:50:35,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-18 15:50:35,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:50:35,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:50:35,083 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 15:50:35,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-18 15:50:35,210 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-04-18 15:50:35,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 15:50:35,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 16 conjunts are in the unsatisfiable core [2022-04-18 15:50:35,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 15:50:35,419 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 15:50:35,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 15:50:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 15:50:35,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701415211] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 15:50:35,646 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 15:50:35,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-04-18 15:50:35,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762518886] [2022-04-18 15:50:35,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 15:50:35,647 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-04-18 15:50:35,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:50:35,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-04-18 15:50:35,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-04-18 15:50:35,652 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 269 [2022-04-18 15:50:35,657 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 259 transitions, 674 flow. Second operand has 23 states, 23 states have (on average 232.43478260869566) internal successors, (5346), 23 states have internal predecessors, (5346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:35,657 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:50:35,657 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 269 [2022-04-18 15:50:35,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:50:35,998 INFO L129 PetriNetUnfolder]: 3/304 cut-off events. [2022-04-18 15:50:35,999 INFO L130 PetriNetUnfolder]: For 113/113 co-relation queries the response was YES. [2022-04-18 15:50:36,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 498 conditions, 304 events. 3/304 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 564 event pairs, 0 based on Foata normal form. 3/288 useless extension candidates. Maximal degree in co-relation 263. Up to 17 conditions per place. [2022-04-18 15:50:36,003 INFO L132 encePairwiseOnDemand]: 263/269 looper letters, 26 selfloop transitions, 30 changer transitions 0/285 dead transitions. [2022-04-18 15:50:36,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 285 transitions, 932 flow [2022-04-18 15:50:36,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-04-18 15:50:36,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2022-04-18 15:50:36,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 6959 transitions. [2022-04-18 15:50:36,017 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8623296158612144 [2022-04-18 15:50:36,017 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 6959 transitions. [2022-04-18 15:50:36,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 6959 transitions. [2022-04-18 15:50:36,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:50:36,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 6959 transitions. [2022-04-18 15:50:36,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 231.96666666666667) internal successors, (6959), 30 states have internal predecessors, (6959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:36,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 269.0) internal successors, (8339), 31 states have internal predecessors, (8339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:36,055 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 269.0) internal successors, (8339), 31 states have internal predecessors, (8339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:36,056 INFO L186 Difference]: Start difference. First operand has 276 places, 259 transitions, 674 flow. Second operand 30 states and 6959 transitions. [2022-04-18 15:50:36,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 285 transitions, 932 flow [2022-04-18 15:50:36,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 285 transitions, 902 flow, removed 9 selfloop flow, removed 6 redundant places. [2022-04-18 15:50:36,064 INFO L242 Difference]: Finished difference. Result has 303 places, 269 transitions, 802 flow [2022-04-18 15:50:36,065 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=802, PETRI_PLACES=303, PETRI_TRANSITIONS=269} [2022-04-18 15:50:36,066 INFO L335 CegarLoopForPetriNet]: 241 programPoint places, 62 predicate places. [2022-04-18 15:50:36,066 INFO L478 AbstractCegarLoop]: Abstraction has has 303 places, 269 transitions, 802 flow [2022-04-18 15:50:36,068 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 232.43478260869566) internal successors, (5346), 23 states have internal predecessors, (5346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:36,068 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:50:36,069 INFO L255 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:50:36,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-18 15:50:36,282 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:50:36,282 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-04-18 15:50:36,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:50:36,283 INFO L85 PathProgramCache]: Analyzing trace with hash -180968421, now seen corresponding path program 4 times [2022-04-18 15:50:36,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:50:36,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308589764] [2022-04-18 15:50:36,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:50:36,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:50:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 15:50:36,337 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-18 15:50:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 15:50:36,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-18 15:50:36,409 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-18 15:50:36,411 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining) [2022-04-18 15:50:36,412 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2022-04-18 15:50:36,412 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2022-04-18 15:50:36,413 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2022-04-18 15:50:36,413 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 17 remaining) [2022-04-18 15:50:36,413 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2022-04-18 15:50:36,413 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2022-04-18 15:50:36,413 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2022-04-18 15:50:36,413 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2022-04-18 15:50:36,414 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2022-04-18 15:50:36,414 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2022-04-18 15:50:36,414 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2022-04-18 15:50:36,414 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2022-04-18 15:50:36,414 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2022-04-18 15:50:36,414 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2022-04-18 15:50:36,415 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2022-04-18 15:50:36,415 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2022-04-18 15:50:36,415 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 15:50:36,418 INFO L719 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2022-04-18 15:50:36,420 WARN L232 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-04-18 15:50:36,420 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-04-18 15:50:36,463 INFO L135 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-04-18 15:50:36,465 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 15:50:36,468 INFO L340 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 [2022-04-18 15:50:36,468 INFO L341 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-04-18 15:50:36,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 334 places, 374 transitions, 766 flow [2022-04-18 15:50:36,572 INFO L129 PetriNetUnfolder]: 75/627 cut-off events. [2022-04-18 15:50:36,572 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-04-18 15:50:36,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 641 conditions, 627 events. 75/627 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3124 event pairs, 0 based on Foata normal form. 0/519 useless extension candidates. Maximal degree in co-relation 382. Up to 12 conditions per place. [2022-04-18 15:50:36,582 INFO L82 GeneralOperation]: Start removeDead. Operand has 334 places, 374 transitions, 766 flow [2022-04-18 15:50:36,591 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 334 places, 374 transitions, 766 flow [2022-04-18 15:50:36,600 INFO L129 PetriNetUnfolder]: 11/119 cut-off events. [2022-04-18 15:50:36,601 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 15:50:36,601 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:50:36,601 INFO L255 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] [2022-04-18 15:50:36,601 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 15:50:36,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:50:36,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1809816462, now seen corresponding path program 1 times [2022-04-18 15:50:36,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:50:36,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861440779] [2022-04-18 15:50:36,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:50:36,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:50:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:50:36,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:50:36,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:50:36,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861440779] [2022-04-18 15:50:36,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861440779] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:50:36,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:50:36,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 15:50:36,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309092264] [2022-04-18 15:50:36,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:50:36,627 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:50:36,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:50:36,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:50:36,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:50:36,628 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 374 [2022-04-18 15:50:36,630 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 374 transitions, 766 flow. Second operand has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:36,630 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:50:36,630 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 374 [2022-04-18 15:50:36,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:50:36,721 INFO L129 PetriNetUnfolder]: 9/560 cut-off events. [2022-04-18 15:50:36,721 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-04-18 15:50:36,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 592 conditions, 560 events. 9/560 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2579 event pairs, 0 based on Foata normal form. 90/600 useless extension candidates. Maximal degree in co-relation 356. Up to 14 conditions per place. [2022-04-18 15:50:36,732 INFO L132 encePairwiseOnDemand]: 332/374 looper letters, 13 selfloop transitions, 2 changer transitions 1/336 dead transitions. [2022-04-18 15:50:36,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 336 transitions, 720 flow [2022-04-18 15:50:36,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:50:36,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:50:36,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1019 transitions. [2022-04-18 15:50:36,735 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9081996434937611 [2022-04-18 15:50:36,735 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1019 transitions. [2022-04-18 15:50:36,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1019 transitions. [2022-04-18 15:50:36,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:50:36,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1019 transitions. [2022-04-18 15:50:36,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.6666666666667) internal successors, (1019), 3 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:36,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 374.0) internal successors, (1496), 4 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:36,740 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 374.0) internal successors, (1496), 4 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:36,740 INFO L186 Difference]: Start difference. First operand has 334 places, 374 transitions, 766 flow. Second operand 3 states and 1019 transitions. [2022-04-18 15:50:36,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 336 transitions, 720 flow [2022-04-18 15:50:36,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 336 transitions, 720 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 15:50:36,746 INFO L242 Difference]: Finished difference. Result has 334 places, 332 transitions, 692 flow [2022-04-18 15:50:36,747 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=692, PETRI_PLACES=334, PETRI_TRANSITIONS=332} [2022-04-18 15:50:36,747 INFO L335 CegarLoopForPetriNet]: 334 programPoint places, 0 predicate places. [2022-04-18 15:50:36,747 INFO L478 AbstractCegarLoop]: Abstraction has has 334 places, 332 transitions, 692 flow [2022-04-18 15:50:36,748 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:36,748 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:50:36,748 INFO L255 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] [2022-04-18 15:50:36,748 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 15:50:36,748 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 15:50:36,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:50:36,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1193895753, now seen corresponding path program 1 times [2022-04-18 15:50:36,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:50:36,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455282004] [2022-04-18 15:50:36,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:50:36,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:50:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:50:36,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:50:36,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:50:36,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455282004] [2022-04-18 15:50:36,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455282004] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 15:50:36,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391958999] [2022-04-18 15:50:36,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:50:36,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:50:36,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:50:36,782 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 15:50:36,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-18 15:50:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:50:36,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-18 15:50:36,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 15:50:36,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 15:50:36,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 15:50:36,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391958999] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:50:36,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-18 15:50:36,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-18 15:50:36,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645381726] [2022-04-18 15:50:36,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:50:36,962 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:50:36,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:50:36,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:50:36,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-18 15:50:36,964 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 374 [2022-04-18 15:50:36,965 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 332 transitions, 692 flow. Second operand has 3 states, 3 states have (on average 322.0) internal successors, (966), 3 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:36,965 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:50:36,965 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 374 [2022-04-18 15:50:36,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:50:37,056 INFO L129 PetriNetUnfolder]: 7/481 cut-off events. [2022-04-18 15:50:37,056 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-04-18 15:50:37,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 523 conditions, 481 events. 7/481 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1943 event pairs, 0 based on Foata normal form. 0/441 useless extension candidates. Maximal degree in co-relation 486. Up to 16 conditions per place. [2022-04-18 15:50:37,067 INFO L132 encePairwiseOnDemand]: 371/374 looper letters, 13 selfloop transitions, 2 changer transitions 0/336 dead transitions. [2022-04-18 15:50:37,068 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 336 transitions, 730 flow [2022-04-18 15:50:37,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:50:37,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:50:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 979 transitions. [2022-04-18 15:50:37,071 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8725490196078431 [2022-04-18 15:50:37,071 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 979 transitions. [2022-04-18 15:50:37,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 979 transitions. [2022-04-18 15:50:37,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:50:37,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 979 transitions. [2022-04-18 15:50:37,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:37,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 374.0) internal successors, (1496), 4 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:37,075 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 374.0) internal successors, (1496), 4 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:37,076 INFO L186 Difference]: Start difference. First operand has 334 places, 332 transitions, 692 flow. Second operand 3 states and 979 transitions. [2022-04-18 15:50:37,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 336 transitions, 730 flow [2022-04-18 15:50:37,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 336 transitions, 728 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 15:50:37,084 INFO L242 Difference]: Finished difference. Result has 335 places, 333 transitions, 702 flow [2022-04-18 15:50:37,084 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=702, PETRI_PLACES=335, PETRI_TRANSITIONS=333} [2022-04-18 15:50:37,085 INFO L335 CegarLoopForPetriNet]: 334 programPoint places, 1 predicate places. [2022-04-18 15:50:37,085 INFO L478 AbstractCegarLoop]: Abstraction has has 335 places, 333 transitions, 702 flow [2022-04-18 15:50:37,085 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.0) internal successors, (966), 3 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:37,086 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:50:37,086 INFO L255 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] [2022-04-18 15:50:37,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-18 15:50:37,304 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:50:37,304 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 15:50:37,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:50:37,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1330087458, now seen corresponding path program 1 times [2022-04-18 15:50:37,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:50:37,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146156145] [2022-04-18 15:50:37,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:50:37,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:50:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:50:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 15:50:37,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:50:37,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146156145] [2022-04-18 15:50:37,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146156145] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 15:50:37,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301329345] [2022-04-18 15:50:37,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:50:37,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:50:37,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:50:37,365 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 15:50:37,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-18 15:50:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:50:37,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjunts are in the unsatisfiable core [2022-04-18 15:50:37,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 15:50:37,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 15:50:37,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 15:50:37,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 15:50:37,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301329345] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 15:50:37,640 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 15:50:37,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-04-18 15:50:37,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788586081] [2022-04-18 15:50:37,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 15:50:37,641 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-18 15:50:37,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:50:37,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-18 15:50:37,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-04-18 15:50:37,652 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 374 [2022-04-18 15:50:37,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 333 transitions, 702 flow. Second operand has 10 states, 10 states have (on average 322.1) internal successors, (3221), 10 states have internal predecessors, (3221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:37,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:50:37,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 374 [2022-04-18 15:50:37,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:50:37,803 INFO L129 PetriNetUnfolder]: 7/488 cut-off events. [2022-04-18 15:50:37,803 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-04-18 15:50:37,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 542 conditions, 488 events. 7/488 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1938 event pairs, 0 based on Foata normal form. 2/452 useless extension candidates. Maximal degree in co-relation 471. Up to 11 conditions per place. [2022-04-18 15:50:37,814 INFO L132 encePairwiseOnDemand]: 368/374 looper letters, 14 selfloop transitions, 9 changer transitions 0/343 dead transitions. [2022-04-18 15:50:37,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 343 transitions, 770 flow [2022-04-18 15:50:37,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 15:50:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-04-18 15:50:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2905 transitions. [2022-04-18 15:50:37,820 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8630421865715984 [2022-04-18 15:50:37,820 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2905 transitions. [2022-04-18 15:50:37,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2905 transitions. [2022-04-18 15:50:37,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:50:37,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2905 transitions. [2022-04-18 15:50:37,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 322.77777777777777) internal successors, (2905), 9 states have internal predecessors, (2905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:37,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 374.0) internal successors, (3740), 10 states have internal predecessors, (3740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:37,831 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 374.0) internal successors, (3740), 10 states have internal predecessors, (3740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:37,831 INFO L186 Difference]: Start difference. First operand has 335 places, 333 transitions, 702 flow. Second operand 9 states and 2905 transitions. [2022-04-18 15:50:37,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 343 transitions, 770 flow [2022-04-18 15:50:37,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 343 transitions, 768 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 15:50:37,839 INFO L242 Difference]: Finished difference. Result has 345 places, 339 transitions, 750 flow [2022-04-18 15:50:37,840 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=750, PETRI_PLACES=345, PETRI_TRANSITIONS=339} [2022-04-18 15:50:37,842 INFO L335 CegarLoopForPetriNet]: 334 programPoint places, 11 predicate places. [2022-04-18 15:50:37,843 INFO L478 AbstractCegarLoop]: Abstraction has has 345 places, 339 transitions, 750 flow [2022-04-18 15:50:37,844 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 322.1) internal successors, (3221), 10 states have internal predecessors, (3221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:37,844 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:50:37,844 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:50:37,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-18 15:50:38,064 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:50:38,064 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 15:50:38,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:50:38,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1821595262, now seen corresponding path program 2 times [2022-04-18 15:50:38,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:50:38,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855013724] [2022-04-18 15:50:38,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:50:38,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:50:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:50:38,106 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-04-18 15:50:38,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:50:38,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855013724] [2022-04-18 15:50:38,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855013724] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 15:50:38,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87503878] [2022-04-18 15:50:38,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-18 15:50:38,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:50:38,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:50:38,108 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 15:50:38,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-18 15:50:38,189 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-04-18 15:50:38,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 15:50:38,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 17 conjunts are in the unsatisfiable core [2022-04-18 15:50:38,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 15:50:38,302 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-04-18 15:50:38,332 INFO L356 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-04-18 15:50:38,332 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-04-18 15:50:38,370 INFO L356 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-04-18 15:50:38,371 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-04-18 15:50:38,426 INFO L356 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-04-18 15:50:38,426 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-04-18 15:50:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-04-18 15:50:38,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 15:50:38,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87503878] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:50:38,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-18 15:50:38,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2022-04-18 15:50:38,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201756357] [2022-04-18 15:50:38,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:50:38,447 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 15:50:38,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:50:38,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 15:50:38,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-04-18 15:50:38,449 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 374 [2022-04-18 15:50:38,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 339 transitions, 750 flow. Second operand has 6 states, 6 states have (on average 219.33333333333334) internal successors, (1316), 6 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:50:38,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:50:38,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 374 [2022-04-18 15:50:38,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:51:09,483 INFO L129 PetriNetUnfolder]: 128902/275939 cut-off events. [2022-04-18 15:51:09,484 INFO L130 PetriNetUnfolder]: For 526/526 co-relation queries the response was YES. [2022-04-18 15:51:10,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 472935 conditions, 275939 events. 128902/275939 cut-off events. For 526/526 co-relation queries the response was YES. Maximal size of possible extension queue 5232. Compared 3504918 event pairs, 58699 based on Foata normal form. 0/242633 useless extension candidates. Maximal degree in co-relation 472859. Up to 132367 conditions per place. [2022-04-18 15:51:11,938 INFO L132 encePairwiseOnDemand]: 338/374 looper letters, 307 selfloop transitions, 81 changer transitions 0/612 dead transitions. [2022-04-18 15:51:11,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 612 transitions, 2078 flow [2022-04-18 15:51:11,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 15:51:11,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 15:51:11,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1693 transitions. [2022-04-18 15:51:11,944 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7544563279857398 [2022-04-18 15:51:11,944 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1693 transitions. [2022-04-18 15:51:11,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1693 transitions. [2022-04-18 15:51:11,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:51:11,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1693 transitions. [2022-04-18 15:51:11,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 282.1666666666667) internal successors, (1693), 6 states have internal predecessors, (1693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:12,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 374.0) internal successors, (2618), 7 states have internal predecessors, (2618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:12,066 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 374.0) internal successors, (2618), 7 states have internal predecessors, (2618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:12,066 INFO L186 Difference]: Start difference. First operand has 345 places, 339 transitions, 750 flow. Second operand 6 states and 1693 transitions. [2022-04-18 15:51:12,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 612 transitions, 2078 flow [2022-04-18 15:51:12,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 612 transitions, 2072 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-04-18 15:51:12,079 INFO L242 Difference]: Finished difference. Result has 354 places, 417 transitions, 1290 flow [2022-04-18 15:51:12,080 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1290, PETRI_PLACES=354, PETRI_TRANSITIONS=417} [2022-04-18 15:51:12,081 INFO L335 CegarLoopForPetriNet]: 334 programPoint places, 20 predicate places. [2022-04-18 15:51:12,081 INFO L478 AbstractCegarLoop]: Abstraction has has 354 places, 417 transitions, 1290 flow [2022-04-18 15:51:12,082 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 219.33333333333334) internal successors, (1316), 6 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:12,082 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:51:12,082 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:51:12,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-18 15:51:12,307 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:51:12,308 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 15:51:12,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:51:12,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1724832746, now seen corresponding path program 1 times [2022-04-18 15:51:12,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:51:12,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428527451] [2022-04-18 15:51:12,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:51:12,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:51:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:51:12,387 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-04-18 15:51:12,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:51:12,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428527451] [2022-04-18 15:51:12,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428527451] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 15:51:12,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770969826] [2022-04-18 15:51:12,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:51:12,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:51:12,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:51:12,390 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 15:51:12,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-18 15:51:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:51:12,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 8 conjunts are in the unsatisfiable core [2022-04-18 15:51:12,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 15:51:12,609 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-04-18 15:51:12,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 15:51:12,773 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-04-18 15:51:12,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770969826] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 15:51:12,774 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 15:51:12,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-04-18 15:51:12,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146601643] [2022-04-18 15:51:12,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 15:51:12,775 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-04-18 15:51:12,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:51:12,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-04-18 15:51:12,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-04-18 15:51:12,781 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 374 [2022-04-18 15:51:12,785 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 417 transitions, 1290 flow. Second operand has 18 states, 18 states have (on average 322.3333333333333) internal successors, (5802), 18 states have internal predecessors, (5802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:12,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:51:12,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 374 [2022-04-18 15:51:12,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:51:14,429 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1244] t_funEXIT-->L957-10: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread1of2ForFork0_thidvar0_4) InVars {t_funThread1of2ForFork0_thidvar0=v_t_funThread1of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_7|} OutVars{t_funThread1of2ForFork0_thidvar0=v_t_funThread1of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_7|} AuxVars[] AssignedVars[][280], [909#true, 42#L957-10true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0NotInUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true]) [2022-04-18 15:51:14,430 INFO L384 tUnfolder$Statistics]: this new event has 205 ancestors and is cut-off event [2022-04-18 15:51:14,430 INFO L387 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-04-18 15:51:14,430 INFO L387 tUnfolder$Statistics]: existing Event has 205 ancestors and is cut-off event [2022-04-18 15:51:14,430 INFO L387 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-04-18 15:51:14,601 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1244] t_funEXIT-->L957-10: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread1of2ForFork0_thidvar0_4) InVars {t_funThread1of2ForFork0_thidvar0=v_t_funThread1of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_7|} OutVars{t_funThread1of2ForFork0_thidvar0=v_t_funThread1of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_7|} AuxVars[] AssignedVars[][280], [909#true, 42#L957-10true, 20#t_funENTRYtrue, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0NotInUse, t_funThread2of2ForFork0InUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true]) [2022-04-18 15:51:14,602 INFO L384 tUnfolder$Statistics]: this new event has 215 ancestors and is cut-off event [2022-04-18 15:51:14,602 INFO L387 tUnfolder$Statistics]: existing Event has 188 ancestors and is cut-off event [2022-04-18 15:51:14,602 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-04-18 15:51:14,602 INFO L387 tUnfolder$Statistics]: existing Event has 188 ancestors and is cut-off event [2022-04-18 15:51:15,126 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1244] t_funEXIT-->L957-10: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread1of2ForFork0_thidvar0_4) InVars {t_funThread1of2ForFork0_thidvar0=v_t_funThread1of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_7|} OutVars{t_funThread1of2ForFork0_thidvar0=v_t_funThread1of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_7|} AuxVars[] AssignedVars[][280], [909#true, 42#L957-10true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0NotInUse, t_funThread2of2ForFork0InUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true, 142#L944-15true]) [2022-04-18 15:51:15,126 INFO L384 tUnfolder$Statistics]: this new event has 244 ancestors and is cut-off event [2022-04-18 15:51:15,126 INFO L387 tUnfolder$Statistics]: existing Event has 244 ancestors and is cut-off event [2022-04-18 15:51:15,126 INFO L387 tUnfolder$Statistics]: existing Event has 217 ancestors and is cut-off event [2022-04-18 15:51:15,126 INFO L387 tUnfolder$Statistics]: existing Event has 217 ancestors and is cut-off event [2022-04-18 15:51:15,130 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][335], [909#true, 42#L957-10true, 274#L944-15true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0InUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true]) [2022-04-18 15:51:15,130 INFO L384 tUnfolder$Statistics]: this new event has 244 ancestors and is cut-off event [2022-04-18 15:51:15,130 INFO L387 tUnfolder$Statistics]: existing Event has 217 ancestors and is cut-off event [2022-04-18 15:51:15,130 INFO L387 tUnfolder$Statistics]: existing Event has 217 ancestors and is cut-off event [2022-04-18 15:51:15,130 INFO L387 tUnfolder$Statistics]: existing Event has 244 ancestors and is cut-off event [2022-04-18 15:51:15,137 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][335], [909#true, 42#L957-10true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0InUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, 309#L944-16true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true]) [2022-04-18 15:51:15,137 INFO L384 tUnfolder$Statistics]: this new event has 245 ancestors and is cut-off event [2022-04-18 15:51:15,137 INFO L387 tUnfolder$Statistics]: existing Event has 245 ancestors and is cut-off event [2022-04-18 15:51:15,137 INFO L387 tUnfolder$Statistics]: existing Event has 218 ancestors and is cut-off event [2022-04-18 15:51:15,137 INFO L387 tUnfolder$Statistics]: existing Event has 218 ancestors and is cut-off event [2022-04-18 15:51:15,143 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][335], [909#true, 42#L957-10true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), 254#L944-17true, Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0InUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true]) [2022-04-18 15:51:15,143 INFO L384 tUnfolder$Statistics]: this new event has 246 ancestors and is cut-off event [2022-04-18 15:51:15,143 INFO L387 tUnfolder$Statistics]: existing Event has 246 ancestors and is cut-off event [2022-04-18 15:51:15,143 INFO L387 tUnfolder$Statistics]: existing Event has 219 ancestors and is cut-off event [2022-04-18 15:51:15,143 INFO L387 tUnfolder$Statistics]: existing Event has 219 ancestors and is cut-off event [2022-04-18 15:51:15,148 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][335], [909#true, 42#L957-10true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0InUse, t_funThread2of2ForFork0NotInUse, 208#L944-18true, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true]) [2022-04-18 15:51:15,148 INFO L384 tUnfolder$Statistics]: this new event has 247 ancestors and is cut-off event [2022-04-18 15:51:15,148 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 15:51:15,148 INFO L387 tUnfolder$Statistics]: existing Event has 220 ancestors and is cut-off event [2022-04-18 15:51:15,148 INFO L387 tUnfolder$Statistics]: existing Event has 220 ancestors and is cut-off event [2022-04-18 15:51:15,402 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][335], [909#true, 42#L957-10true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0NotInUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true]) [2022-04-18 15:51:15,403 INFO L384 tUnfolder$Statistics]: this new event has 264 ancestors and is cut-off event [2022-04-18 15:51:15,403 INFO L387 tUnfolder$Statistics]: existing Event has 237 ancestors and is cut-off event [2022-04-18 15:51:15,403 INFO L387 tUnfolder$Statistics]: existing Event has 237 ancestors and is cut-off event [2022-04-18 15:51:15,403 INFO L387 tUnfolder$Statistics]: existing Event has 264 ancestors and is cut-off event [2022-04-18 15:51:15,411 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][335], [909#true, 42#L957-10true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0InUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true, 144#L944-37true]) [2022-04-18 15:51:15,411 INFO L384 tUnfolder$Statistics]: this new event has 265 ancestors and is cut-off event [2022-04-18 15:51:15,411 INFO L387 tUnfolder$Statistics]: existing Event has 265 ancestors and is cut-off event [2022-04-18 15:51:15,411 INFO L387 tUnfolder$Statistics]: existing Event has 238 ancestors and is cut-off event [2022-04-18 15:51:15,411 INFO L387 tUnfolder$Statistics]: existing Event has 238 ancestors and is cut-off event [2022-04-18 15:51:15,413 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][335], [909#true, 42#L957-10true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), 305#L944-38true, t_funThread1of2ForFork0InUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true]) [2022-04-18 15:51:15,413 INFO L384 tUnfolder$Statistics]: this new event has 266 ancestors and is cut-off event [2022-04-18 15:51:15,413 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 15:51:15,413 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 15:51:15,413 INFO L387 tUnfolder$Statistics]: existing Event has 266 ancestors and is cut-off event [2022-04-18 15:51:15,414 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][335], [909#true, 42#L957-10true, 44#L944-39true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0InUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true]) [2022-04-18 15:51:15,415 INFO L384 tUnfolder$Statistics]: this new event has 267 ancestors and is cut-off event [2022-04-18 15:51:15,415 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 15:51:15,415 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 15:51:15,415 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 15:51:15,416 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][335], [909#true, 42#L957-10true, 298#L944-40true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0InUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true]) [2022-04-18 15:51:15,416 INFO L384 tUnfolder$Statistics]: this new event has 268 ancestors and is cut-off event [2022-04-18 15:51:15,416 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 15:51:15,416 INFO L387 tUnfolder$Statistics]: existing Event has 268 ancestors and is cut-off event [2022-04-18 15:51:15,416 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 15:51:15,422 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][335], [909#true, 42#L957-10true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0NotInUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true]) [2022-04-18 15:51:15,422 INFO L384 tUnfolder$Statistics]: this new event has 291 ancestors and is cut-off event [2022-04-18 15:51:15,422 INFO L387 tUnfolder$Statistics]: existing Event has 237 ancestors and is cut-off event [2022-04-18 15:51:15,422 INFO L387 tUnfolder$Statistics]: existing Event has 237 ancestors and is cut-off event [2022-04-18 15:51:15,422 INFO L387 tUnfolder$Statistics]: existing Event has 264 ancestors and is cut-off event [2022-04-18 15:51:15,422 INFO L387 tUnfolder$Statistics]: existing Event has 264 ancestors and is cut-off event [2022-04-18 15:51:15,422 INFO L129 PetriNetUnfolder]: 4011/19360 cut-off events. [2022-04-18 15:51:15,422 INFO L130 PetriNetUnfolder]: For 2766/3302 co-relation queries the response was YES. [2022-04-18 15:51:15,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30364 conditions, 19360 events. 4011/19360 cut-off events. For 2766/3302 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 233386 event pairs, 1304 based on Foata normal form. 4/17993 useless extension candidates. Maximal degree in co-relation 30210. Up to 5135 conditions per place. [2022-04-18 15:51:15,565 INFO L132 encePairwiseOnDemand]: 368/374 looper letters, 22 selfloop transitions, 21 changer transitions 0/441 dead transitions. [2022-04-18 15:51:15,566 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 441 transitions, 1476 flow [2022-04-18 15:51:15,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-04-18 15:51:15,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-04-18 15:51:15,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6767 transitions. [2022-04-18 15:51:15,577 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8615991851285969 [2022-04-18 15:51:15,577 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 6767 transitions. [2022-04-18 15:51:15,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 6767 transitions. [2022-04-18 15:51:15,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:51:15,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 6767 transitions. [2022-04-18 15:51:15,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 322.23809523809524) internal successors, (6767), 21 states have internal predecessors, (6767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:15,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 374.0) internal successors, (8228), 22 states have internal predecessors, (8228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:15,601 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 374.0) internal successors, (8228), 22 states have internal predecessors, (8228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:15,602 INFO L186 Difference]: Start difference. First operand has 354 places, 417 transitions, 1290 flow. Second operand 21 states and 6767 transitions. [2022-04-18 15:51:15,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 441 transitions, 1476 flow [2022-04-18 15:51:15,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 441 transitions, 1476 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 15:51:15,643 INFO L242 Difference]: Finished difference. Result has 379 places, 430 transitions, 1420 flow [2022-04-18 15:51:15,645 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=1290, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1420, PETRI_PLACES=379, PETRI_TRANSITIONS=430} [2022-04-18 15:51:15,645 INFO L335 CegarLoopForPetriNet]: 334 programPoint places, 45 predicate places. [2022-04-18 15:51:15,645 INFO L478 AbstractCegarLoop]: Abstraction has has 379 places, 430 transitions, 1420 flow [2022-04-18 15:51:15,647 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 322.3333333333333) internal successors, (5802), 18 states have internal predecessors, (5802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:15,647 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:51:15,647 INFO L255 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:51:15,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-18 15:51:15,863 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-04-18 15:51:15,864 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 15:51:15,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:51:15,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1519872726, now seen corresponding path program 2 times [2022-04-18 15:51:15,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:51:15,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464527981] [2022-04-18 15:51:15,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:51:15,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:51:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:51:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-04-18 15:51:16,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:51:16,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464527981] [2022-04-18 15:51:16,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464527981] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 15:51:16,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663611843] [2022-04-18 15:51:16,039 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-18 15:51:16,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:51:16,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:51:16,041 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 15:51:16,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-18 15:51:16,140 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-18 15:51:16,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 15:51:16,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 16 conjunts are in the unsatisfiable core [2022-04-18 15:51:16,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 15:51:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-04-18 15:51:16,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 15:51:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-04-18 15:51:16,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663611843] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 15:51:16,525 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 15:51:16,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-04-18 15:51:16,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022817152] [2022-04-18 15:51:16,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 15:51:16,526 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-04-18 15:51:16,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:51:16,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-04-18 15:51:16,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-04-18 15:51:16,532 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 374 [2022-04-18 15:51:16,536 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 430 transitions, 1420 flow. Second operand has 23 states, 23 states have (on average 322.4782608695652) internal successors, (7417), 23 states have internal predecessors, (7417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:16,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:51:16,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 374 [2022-04-18 15:51:16,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:51:18,241 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1244] t_funEXIT-->L957-10: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread1of2ForFork0_thidvar0_4) InVars {t_funThread1of2ForFork0_thidvar0=v_t_funThread1of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_7|} OutVars{t_funThread1of2ForFork0_thidvar0=v_t_funThread1of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_7|} AuxVars[] AssignedVars[][295], [909#true, Black: 1498#(< |ULTIMATE.start_main_~i~1#1| 9), 42#L957-10true, Black: 1487#(< |ULTIMATE.start_main_~i~1#1| 10), 1635#true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0NotInUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true, Black: 1151#(<= |ULTIMATE.start_main_~i~1#1| 3), Black: 1515#(< |ULTIMATE.start_main_~i~1#1| 8)]) [2022-04-18 15:51:18,241 INFO L384 tUnfolder$Statistics]: this new event has 220 ancestors and is cut-off event [2022-04-18 15:51:18,241 INFO L387 tUnfolder$Statistics]: existing Event has 193 ancestors and is cut-off event [2022-04-18 15:51:18,241 INFO L387 tUnfolder$Statistics]: existing Event has 220 ancestors and is cut-off event [2022-04-18 15:51:18,241 INFO L387 tUnfolder$Statistics]: existing Event has 193 ancestors and is cut-off event [2022-04-18 15:51:18,427 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1244] t_funEXIT-->L957-10: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread1of2ForFork0_thidvar0_4) InVars {t_funThread1of2ForFork0_thidvar0=v_t_funThread1of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_7|} OutVars{t_funThread1of2ForFork0_thidvar0=v_t_funThread1of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_7|} AuxVars[] AssignedVars[][295], [909#true, Black: 1498#(< |ULTIMATE.start_main_~i~1#1| 9), 42#L957-10true, Black: 1487#(< |ULTIMATE.start_main_~i~1#1| 10), 20#t_funENTRYtrue, 1635#true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0NotInUse, t_funThread2of2ForFork0InUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true, Black: 1151#(<= |ULTIMATE.start_main_~i~1#1| 3), Black: 1515#(< |ULTIMATE.start_main_~i~1#1| 8)]) [2022-04-18 15:51:18,427 INFO L384 tUnfolder$Statistics]: this new event has 230 ancestors and is cut-off event [2022-04-18 15:51:18,427 INFO L387 tUnfolder$Statistics]: existing Event has 203 ancestors and is cut-off event [2022-04-18 15:51:18,427 INFO L387 tUnfolder$Statistics]: existing Event has 203 ancestors and is cut-off event [2022-04-18 15:51:18,428 INFO L387 tUnfolder$Statistics]: existing Event has 230 ancestors and is cut-off event [2022-04-18 15:51:19,130 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1244] t_funEXIT-->L957-10: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread1of2ForFork0_thidvar0_4) InVars {t_funThread1of2ForFork0_thidvar0=v_t_funThread1of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_7|} OutVars{t_funThread1of2ForFork0_thidvar0=v_t_funThread1of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_7|} AuxVars[] AssignedVars[][295], [909#true, Black: 1498#(< |ULTIMATE.start_main_~i~1#1| 9), 42#L957-10true, Black: 1487#(< |ULTIMATE.start_main_~i~1#1| 10), 1635#true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0NotInUse, t_funThread2of2ForFork0InUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true, 142#L944-15true, Black: 1151#(<= |ULTIMATE.start_main_~i~1#1| 3), Black: 1515#(< |ULTIMATE.start_main_~i~1#1| 8)]) [2022-04-18 15:51:19,131 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-04-18 15:51:19,131 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 15:51:19,131 INFO L387 tUnfolder$Statistics]: existing Event has 232 ancestors and is cut-off event [2022-04-18 15:51:19,131 INFO L387 tUnfolder$Statistics]: existing Event has 232 ancestors and is cut-off event [2022-04-18 15:51:19,136 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][350], [Black: 1498#(< |ULTIMATE.start_main_~i~1#1| 9), 909#true, Black: 1487#(< |ULTIMATE.start_main_~i~1#1| 10), 42#L957-10true, 1635#true, 274#L944-15true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0InUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true, Black: 1151#(<= |ULTIMATE.start_main_~i~1#1| 3), Black: 1515#(< |ULTIMATE.start_main_~i~1#1| 8)]) [2022-04-18 15:51:19,136 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-04-18 15:51:19,136 INFO L387 tUnfolder$Statistics]: existing Event has 232 ancestors and is cut-off event [2022-04-18 15:51:19,136 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 15:51:19,136 INFO L387 tUnfolder$Statistics]: existing Event has 232 ancestors and is cut-off event [2022-04-18 15:51:19,144 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][350], [909#true, Black: 1498#(< |ULTIMATE.start_main_~i~1#1| 9), Black: 1487#(< |ULTIMATE.start_main_~i~1#1| 10), 42#L957-10true, 1635#true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0InUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, 309#L944-16true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true, Black: 1151#(<= |ULTIMATE.start_main_~i~1#1| 3), Black: 1515#(< |ULTIMATE.start_main_~i~1#1| 8)]) [2022-04-18 15:51:19,145 INFO L384 tUnfolder$Statistics]: this new event has 260 ancestors and is cut-off event [2022-04-18 15:51:19,145 INFO L387 tUnfolder$Statistics]: existing Event has 260 ancestors and is cut-off event [2022-04-18 15:51:19,145 INFO L387 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-04-18 15:51:19,145 INFO L387 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-04-18 15:51:19,151 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][350], [Black: 1498#(< |ULTIMATE.start_main_~i~1#1| 9), 909#true, 42#L957-10true, Black: 1487#(< |ULTIMATE.start_main_~i~1#1| 10), 1635#true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), 254#L944-17true, Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0InUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true, Black: 1151#(<= |ULTIMATE.start_main_~i~1#1| 3), Black: 1515#(< |ULTIMATE.start_main_~i~1#1| 8)]) [2022-04-18 15:51:19,151 INFO L384 tUnfolder$Statistics]: this new event has 261 ancestors and is cut-off event [2022-04-18 15:51:19,152 INFO L387 tUnfolder$Statistics]: existing Event has 261 ancestors and is cut-off event [2022-04-18 15:51:19,152 INFO L387 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-04-18 15:51:19,152 INFO L387 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-04-18 15:51:19,157 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][350], [Black: 1498#(< |ULTIMATE.start_main_~i~1#1| 9), 909#true, Black: 1487#(< |ULTIMATE.start_main_~i~1#1| 10), 42#L957-10true, 1635#true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0InUse, t_funThread2of2ForFork0NotInUse, 208#L944-18true, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true, Black: 1151#(<= |ULTIMATE.start_main_~i~1#1| 3), Black: 1515#(< |ULTIMATE.start_main_~i~1#1| 8)]) [2022-04-18 15:51:19,157 INFO L384 tUnfolder$Statistics]: this new event has 262 ancestors and is cut-off event [2022-04-18 15:51:19,158 INFO L387 tUnfolder$Statistics]: existing Event has 262 ancestors and is cut-off event [2022-04-18 15:51:19,158 INFO L387 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-04-18 15:51:19,158 INFO L387 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-04-18 15:51:19,204 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][350], [909#true, Black: 1498#(< |ULTIMATE.start_main_~i~1#1| 9), 42#L957-10true, Black: 1487#(< |ULTIMATE.start_main_~i~1#1| 10), 1635#true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0NotInUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true, Black: 1151#(<= |ULTIMATE.start_main_~i~1#1| 3), Black: 1515#(< |ULTIMATE.start_main_~i~1#1| 8)]) [2022-04-18 15:51:19,204 INFO L384 tUnfolder$Statistics]: this new event has 279 ancestors and is cut-off event [2022-04-18 15:51:19,204 INFO L387 tUnfolder$Statistics]: existing Event has 252 ancestors and is cut-off event [2022-04-18 15:51:19,204 INFO L387 tUnfolder$Statistics]: existing Event has 279 ancestors and is cut-off event [2022-04-18 15:51:19,204 INFO L387 tUnfolder$Statistics]: existing Event has 252 ancestors and is cut-off event [2022-04-18 15:51:19,214 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][350], [909#true, Black: 1498#(< |ULTIMATE.start_main_~i~1#1| 9), Black: 1487#(< |ULTIMATE.start_main_~i~1#1| 10), 42#L957-10true, 1635#true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0InUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true, 144#L944-37true, Black: 1151#(<= |ULTIMATE.start_main_~i~1#1| 3), Black: 1515#(< |ULTIMATE.start_main_~i~1#1| 8)]) [2022-04-18 15:51:19,214 INFO L384 tUnfolder$Statistics]: this new event has 280 ancestors and is cut-off event [2022-04-18 15:51:19,214 INFO L387 tUnfolder$Statistics]: existing Event has 280 ancestors and is cut-off event [2022-04-18 15:51:19,214 INFO L387 tUnfolder$Statistics]: existing Event has 253 ancestors and is cut-off event [2022-04-18 15:51:19,214 INFO L387 tUnfolder$Statistics]: existing Event has 253 ancestors and is cut-off event [2022-04-18 15:51:19,216 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][350], [909#true, Black: 1498#(< |ULTIMATE.start_main_~i~1#1| 9), 42#L957-10true, Black: 1487#(< |ULTIMATE.start_main_~i~1#1| 10), 1635#true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0InUse, 305#L944-38true, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true, Black: 1151#(<= |ULTIMATE.start_main_~i~1#1| 3), Black: 1515#(< |ULTIMATE.start_main_~i~1#1| 8)]) [2022-04-18 15:51:19,216 INFO L384 tUnfolder$Statistics]: this new event has 281 ancestors and is cut-off event [2022-04-18 15:51:19,216 INFO L387 tUnfolder$Statistics]: existing Event has 254 ancestors and is cut-off event [2022-04-18 15:51:19,216 INFO L387 tUnfolder$Statistics]: existing Event has 281 ancestors and is cut-off event [2022-04-18 15:51:19,216 INFO L387 tUnfolder$Statistics]: existing Event has 254 ancestors and is cut-off event [2022-04-18 15:51:19,218 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][350], [Black: 1498#(< |ULTIMATE.start_main_~i~1#1| 9), 909#true, 42#L957-10true, Black: 1487#(< |ULTIMATE.start_main_~i~1#1| 10), 44#L944-39true, 1635#true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0InUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true, Black: 1151#(<= |ULTIMATE.start_main_~i~1#1| 3), Black: 1515#(< |ULTIMATE.start_main_~i~1#1| 8)]) [2022-04-18 15:51:19,218 INFO L384 tUnfolder$Statistics]: this new event has 282 ancestors and is cut-off event [2022-04-18 15:51:19,218 INFO L387 tUnfolder$Statistics]: existing Event has 255 ancestors and is cut-off event [2022-04-18 15:51:19,218 INFO L387 tUnfolder$Statistics]: existing Event has 282 ancestors and is cut-off event [2022-04-18 15:51:19,218 INFO L387 tUnfolder$Statistics]: existing Event has 255 ancestors and is cut-off event [2022-04-18 15:51:19,219 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][350], [909#true, Black: 1498#(< |ULTIMATE.start_main_~i~1#1| 9), Black: 1487#(< |ULTIMATE.start_main_~i~1#1| 10), 42#L957-10true, 298#L944-40true, 1635#true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0InUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true, Black: 1151#(<= |ULTIMATE.start_main_~i~1#1| 3), Black: 1515#(< |ULTIMATE.start_main_~i~1#1| 8)]) [2022-04-18 15:51:19,219 INFO L384 tUnfolder$Statistics]: this new event has 283 ancestors and is cut-off event [2022-04-18 15:51:19,219 INFO L387 tUnfolder$Statistics]: existing Event has 283 ancestors and is cut-off event [2022-04-18 15:51:19,219 INFO L387 tUnfolder$Statistics]: existing Event has 256 ancestors and is cut-off event [2022-04-18 15:51:19,219 INFO L387 tUnfolder$Statistics]: existing Event has 256 ancestors and is cut-off event [2022-04-18 15:51:19,226 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1245] t_funEXIT-->L957-10: Formula: (= v_t_funThread2of2ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem62#1_9| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} OutVars{t_funThread2of2ForFork0_thidvar0=v_t_funThread2of2ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem62#1=|v_ULTIMATE.start_main_#t~mem62#1_9|} AuxVars[] AssignedVars[][350], [909#true, Black: 1498#(< |ULTIMATE.start_main_~i~1#1| 9), Black: 1487#(< |ULTIMATE.start_main_~i~1#1| 10), 42#L957-10true, 1635#true, Black: 513#(<= |ULTIMATE.start_main_~i~1#1| 1), Black: 813#(< |ULTIMATE.start_main_~i~1#1| 10), t_funThread1of2ForFork0NotInUse, t_funThread2of2ForFork0NotInUse, Black: 1128#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1132#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), Black: 1124#(= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0), Black: 339#(= |ULTIMATE.start_main_~i~1#1| 0), Black: 1136#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)), 509#true, Black: 467#(<= |ULTIMATE.start_main_~i~3#1| 0), 1143#true, Black: 1151#(<= |ULTIMATE.start_main_~i~1#1| 3), Black: 1515#(< |ULTIMATE.start_main_~i~1#1| 8)]) [2022-04-18 15:51:19,226 INFO L384 tUnfolder$Statistics]: this new event has 306 ancestors and is cut-off event [2022-04-18 15:51:19,226 INFO L387 tUnfolder$Statistics]: existing Event has 252 ancestors and is cut-off event [2022-04-18 15:51:19,226 INFO L387 tUnfolder$Statistics]: existing Event has 279 ancestors and is cut-off event [2022-04-18 15:51:19,226 INFO L387 tUnfolder$Statistics]: existing Event has 279 ancestors and is cut-off event [2022-04-18 15:51:19,226 INFO L387 tUnfolder$Statistics]: existing Event has 252 ancestors and is cut-off event [2022-04-18 15:51:19,227 INFO L129 PetriNetUnfolder]: 4011/19375 cut-off events. [2022-04-18 15:51:19,227 INFO L130 PetriNetUnfolder]: For 2859/3395 co-relation queries the response was YES. [2022-04-18 15:51:19,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30472 conditions, 19375 events. 4011/19375 cut-off events. For 2859/3395 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 232684 event pairs, 1304 based on Foata normal form. 3/18007 useless extension candidates. Maximal degree in co-relation 30214. Up to 5135 conditions per place. [2022-04-18 15:51:19,410 INFO L132 encePairwiseOnDemand]: 368/374 looper letters, 28 selfloop transitions, 30 changer transitions 0/456 dead transitions. [2022-04-18 15:51:19,410 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 456 transitions, 1682 flow [2022-04-18 15:51:19,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-04-18 15:51:19,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2022-04-18 15:51:19,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9661 transitions. [2022-04-18 15:51:19,420 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8610516934046346 [2022-04-18 15:51:19,421 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 9661 transitions. [2022-04-18 15:51:19,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 9661 transitions. [2022-04-18 15:51:19,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:51:19,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 9661 transitions. [2022-04-18 15:51:19,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 322.03333333333336) internal successors, (9661), 30 states have internal predecessors, (9661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:19,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 374.0) internal successors, (11594), 31 states have internal predecessors, (11594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:19,449 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 374.0) internal successors, (11594), 31 states have internal predecessors, (11594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:19,449 INFO L186 Difference]: Start difference. First operand has 379 places, 430 transitions, 1420 flow. Second operand 30 states and 9661 transitions. [2022-04-18 15:51:19,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 456 transitions, 1682 flow [2022-04-18 15:51:19,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 456 transitions, 1652 flow, removed 9 selfloop flow, removed 6 redundant places. [2022-04-18 15:51:19,490 INFO L242 Difference]: Finished difference. Result has 406 places, 440 transitions, 1548 flow [2022-04-18 15:51:19,491 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=1396, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1548, PETRI_PLACES=406, PETRI_TRANSITIONS=440} [2022-04-18 15:51:19,492 INFO L335 CegarLoopForPetriNet]: 334 programPoint places, 72 predicate places. [2022-04-18 15:51:19,493 INFO L478 AbstractCegarLoop]: Abstraction has has 406 places, 440 transitions, 1548 flow [2022-04-18 15:51:19,494 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 322.4782608695652) internal successors, (7417), 23 states have internal predecessors, (7417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:19,494 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:51:19,494 INFO L255 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:51:19,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-18 15:51:19,694 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:51:19,695 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-04-18 15:51:19,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:51:19,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1751519669, now seen corresponding path program 3 times [2022-04-18 15:51:19,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:51:19,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024117279] [2022-04-18 15:51:19,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:51:19,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:51:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 15:51:19,729 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-18 15:51:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 15:51:19,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-18 15:51:19,780 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-18 15:51:19,782 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 22 remaining) [2022-04-18 15:51:19,782 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2022-04-18 15:51:19,782 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2022-04-18 15:51:19,782 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2022-04-18 15:51:19,782 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2022-04-18 15:51:19,783 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2022-04-18 15:51:19,783 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2022-04-18 15:51:19,783 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2022-04-18 15:51:19,783 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2022-04-18 15:51:19,783 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2022-04-18 15:51:19,784 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2022-04-18 15:51:19,784 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2022-04-18 15:51:19,784 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2022-04-18 15:51:19,784 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2022-04-18 15:51:19,784 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2022-04-18 15:51:19,785 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2022-04-18 15:51:19,785 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2022-04-18 15:51:19,785 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2022-04-18 15:51:19,786 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2022-04-18 15:51:19,786 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2022-04-18 15:51:19,786 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2022-04-18 15:51:19,786 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2022-04-18 15:51:19,786 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-18 15:51:19,787 INFO L719 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2022-04-18 15:51:19,787 WARN L232 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-04-18 15:51:19,787 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-04-18 15:51:19,836 INFO L135 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-04-18 15:51:19,837 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 15:51:19,838 INFO L340 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 [2022-04-18 15:51:19,838 INFO L341 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-04-18 15:51:19,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 427 places, 479 transitions, 988 flow [2022-04-18 15:51:19,986 INFO L129 PetriNetUnfolder]: 110/919 cut-off events. [2022-04-18 15:51:19,986 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-04-18 15:51:20,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 947 conditions, 919 events. 110/919 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5102 event pairs, 1 based on Foata normal form. 0/762 useless extension candidates. Maximal degree in co-relation 635. Up to 16 conditions per place. [2022-04-18 15:51:20,007 INFO L82 GeneralOperation]: Start removeDead. Operand has 427 places, 479 transitions, 988 flow [2022-04-18 15:51:20,019 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 427 places, 479 transitions, 988 flow [2022-04-18 15:51:20,024 INFO L129 PetriNetUnfolder]: 11/120 cut-off events. [2022-04-18 15:51:20,025 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 15:51:20,025 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:51:20,025 INFO L255 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] [2022-04-18 15:51:20,025 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-04-18 15:51:20,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:51:20,026 INFO L85 PathProgramCache]: Analyzing trace with hash 929603954, now seen corresponding path program 1 times [2022-04-18 15:51:20,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:51:20,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499607789] [2022-04-18 15:51:20,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:51:20,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:51:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:51:20,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:51:20,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:51:20,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499607789] [2022-04-18 15:51:20,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499607789] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:51:20,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:51:20,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 15:51:20,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717206672] [2022-04-18 15:51:20,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:51:20,047 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:51:20,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:51:20,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:51:20,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:51:20,050 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 479 [2022-04-18 15:51:20,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 479 transitions, 988 flow. Second operand has 3 states, 3 states have (on average 412.6666666666667) internal successors, (1238), 3 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:20,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:51:20,051 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 479 [2022-04-18 15:51:20,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:51:20,215 INFO L129 PetriNetUnfolder]: 16/822 cut-off events. [2022-04-18 15:51:20,215 INFO L130 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-04-18 15:51:20,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 877 conditions, 822 events. 16/822 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4395 event pairs, 1 based on Foata normal form. 208/956 useless extension candidates. Maximal degree in co-relation 585. Up to 23 conditions per place. [2022-04-18 15:51:20,234 INFO L132 encePairwiseOnDemand]: 425/479 looper letters, 15 selfloop transitions, 2 changer transitions 1/428 dead transitions. [2022-04-18 15:51:20,234 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 428 transitions, 920 flow [2022-04-18 15:51:20,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:51:20,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:51:20,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1303 transitions. [2022-04-18 15:51:20,237 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9067501739735561 [2022-04-18 15:51:20,237 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1303 transitions. [2022-04-18 15:51:20,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1303 transitions. [2022-04-18 15:51:20,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:51:20,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1303 transitions. [2022-04-18 15:51:20,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 434.3333333333333) internal successors, (1303), 3 states have internal predecessors, (1303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:20,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:20,241 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:20,241 INFO L186 Difference]: Start difference. First operand has 427 places, 479 transitions, 988 flow. Second operand 3 states and 1303 transitions. [2022-04-18 15:51:20,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 428 transitions, 920 flow [2022-04-18 15:51:20,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 428 transitions, 920 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 15:51:20,249 INFO L242 Difference]: Finished difference. Result has 426 places, 424 transitions, 888 flow [2022-04-18 15:51:20,250 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=888, PETRI_PLACES=426, PETRI_TRANSITIONS=424} [2022-04-18 15:51:20,251 INFO L335 CegarLoopForPetriNet]: 427 programPoint places, -1 predicate places. [2022-04-18 15:51:20,251 INFO L478 AbstractCegarLoop]: Abstraction has has 426 places, 424 transitions, 888 flow [2022-04-18 15:51:20,252 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 412.6666666666667) internal successors, (1238), 3 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:20,252 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:51:20,252 INFO L255 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] [2022-04-18 15:51:20,252 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-18 15:51:20,252 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-04-18 15:51:20,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:51:20,253 INFO L85 PathProgramCache]: Analyzing trace with hash 2100309993, now seen corresponding path program 1 times [2022-04-18 15:51:20,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:51:20,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170055229] [2022-04-18 15:51:20,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:51:20,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:51:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:51:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:51:20,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:51:20,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170055229] [2022-04-18 15:51:20,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170055229] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 15:51:20,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960109307] [2022-04-18 15:51:20,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:51:20,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:51:20,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:51:20,291 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 15:51:20,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-18 15:51:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:51:20,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-18 15:51:20,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 15:51:20,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 15:51:20,452 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 15:51:20,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960109307] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:51:20,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-18 15:51:20,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-18 15:51:20,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212024294] [2022-04-18 15:51:20,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:51:20,453 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:51:20,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:51:20,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:51:20,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-18 15:51:20,455 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 479 [2022-04-18 15:51:20,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 424 transitions, 888 flow. Second operand has 3 states, 3 states have (on average 412.0) internal successors, (1236), 3 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:20,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:51:20,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 479 [2022-04-18 15:51:20,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:51:20,792 INFO L129 PetriNetUnfolder]: 14/743 cut-off events. [2022-04-18 15:51:20,792 INFO L130 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2022-04-18 15:51:20,806 INFO L84 FinitePrefix]: Finished finitePrefix Result has 813 conditions, 743 events. 14/743 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3748 event pairs, 1 based on Foata normal form. 0/679 useless extension candidates. Maximal degree in co-relation 775. Up to 30 conditions per place. [2022-04-18 15:51:20,810 INFO L132 encePairwiseOnDemand]: 476/479 looper letters, 15 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2022-04-18 15:51:20,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 428 transitions, 930 flow [2022-04-18 15:51:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:51:20,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:51:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1251 transitions. [2022-04-18 15:51:20,812 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8705636743215032 [2022-04-18 15:51:20,812 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1251 transitions. [2022-04-18 15:51:20,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1251 transitions. [2022-04-18 15:51:20,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:51:20,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1251 transitions. [2022-04-18 15:51:20,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:20,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:20,816 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:20,816 INFO L186 Difference]: Start difference. First operand has 426 places, 424 transitions, 888 flow. Second operand 3 states and 1251 transitions. [2022-04-18 15:51:20,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 428 transitions, 930 flow [2022-04-18 15:51:20,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 428 transitions, 928 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 15:51:20,824 INFO L242 Difference]: Finished difference. Result has 427 places, 425 transitions, 898 flow [2022-04-18 15:51:20,824 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=898, PETRI_PLACES=427, PETRI_TRANSITIONS=425} [2022-04-18 15:51:20,825 INFO L335 CegarLoopForPetriNet]: 427 programPoint places, 0 predicate places. [2022-04-18 15:51:20,826 INFO L478 AbstractCegarLoop]: Abstraction has has 427 places, 425 transitions, 898 flow [2022-04-18 15:51:20,826 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 412.0) internal successors, (1236), 3 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:20,826 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:51:20,826 INFO L255 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] [2022-04-18 15:51:20,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-04-18 15:51:21,047 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-04-18 15:51:21,047 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-04-18 15:51:21,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:51:21,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1423657449, now seen corresponding path program 1 times [2022-04-18 15:51:21,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:51:21,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33089215] [2022-04-18 15:51:21,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:51:21,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:51:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:51:21,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 15:51:21,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:51:21,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33089215] [2022-04-18 15:51:21,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33089215] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 15:51:21,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211759515] [2022-04-18 15:51:21,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:51:21,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:51:21,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:51:21,086 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 15:51:21,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-04-18 15:51:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:51:21,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjunts are in the unsatisfiable core [2022-04-18 15:51:21,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 15:51:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 15:51:21,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 15:51:21,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 15:51:21,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211759515] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 15:51:21,383 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 15:51:21,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-04-18 15:51:21,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226625130] [2022-04-18 15:51:21,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 15:51:21,383 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-18 15:51:21,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:51:21,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-18 15:51:21,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-04-18 15:51:21,386 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 479 [2022-04-18 15:51:21,388 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 425 transitions, 898 flow. Second operand has 10 states, 10 states have (on average 412.1) internal successors, (4121), 10 states have internal predecessors, (4121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:21,388 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:51:21,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 479 [2022-04-18 15:51:21,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:51:21,571 INFO L129 PetriNetUnfolder]: 14/750 cut-off events. [2022-04-18 15:51:21,572 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2022-04-18 15:51:21,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 829 conditions, 750 events. 14/750 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3743 event pairs, 1 based on Foata normal form. 2/691 useless extension candidates. Maximal degree in co-relation 757. Up to 20 conditions per place. [2022-04-18 15:51:21,588 INFO L132 encePairwiseOnDemand]: 473/479 looper letters, 16 selfloop transitions, 9 changer transitions 0/435 dead transitions. [2022-04-18 15:51:21,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 435 transitions, 970 flow [2022-04-18 15:51:21,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 15:51:21,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-04-18 15:51:21,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3717 transitions. [2022-04-18 15:51:21,594 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8622129436325678 [2022-04-18 15:51:21,594 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3717 transitions. [2022-04-18 15:51:21,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3717 transitions. [2022-04-18 15:51:21,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:51:21,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3717 transitions. [2022-04-18 15:51:21,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 413.0) internal successors, (3717), 9 states have internal predecessors, (3717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:21,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 479.0) internal successors, (4790), 10 states have internal predecessors, (4790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:21,601 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 479.0) internal successors, (4790), 10 states have internal predecessors, (4790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:21,601 INFO L186 Difference]: Start difference. First operand has 427 places, 425 transitions, 898 flow. Second operand 9 states and 3717 transitions. [2022-04-18 15:51:21,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 435 transitions, 970 flow [2022-04-18 15:51:21,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 435 transitions, 968 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 15:51:21,608 INFO L242 Difference]: Finished difference. Result has 437 places, 431 transitions, 946 flow [2022-04-18 15:51:21,609 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=946, PETRI_PLACES=437, PETRI_TRANSITIONS=431} [2022-04-18 15:51:21,609 INFO L335 CegarLoopForPetriNet]: 427 programPoint places, 10 predicate places. [2022-04-18 15:51:21,609 INFO L478 AbstractCegarLoop]: Abstraction has has 437 places, 431 transitions, 946 flow [2022-04-18 15:51:21,610 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 412.1) internal successors, (4121), 10 states have internal predecessors, (4121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:21,610 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:51:21,610 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:51:21,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-04-18 15:51:21,810 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-04-18 15:51:21,811 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-04-18 15:51:21,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:51:21,811 INFO L85 PathProgramCache]: Analyzing trace with hash 614927895, now seen corresponding path program 2 times [2022-04-18 15:51:21,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:51:21,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752022884] [2022-04-18 15:51:21,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:51:21,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:51:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:51:21,864 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-04-18 15:51:21,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:51:21,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752022884] [2022-04-18 15:51:21,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752022884] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 15:51:21,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109972097] [2022-04-18 15:51:21,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-18 15:51:21,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 15:51:21,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:51:21,866 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 15:51:21,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-04-18 15:51:21,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-04-18 15:51:21,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 15:51:21,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 17 conjunts are in the unsatisfiable core [2022-04-18 15:51:21,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 15:51:22,051 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-04-18 15:51:22,070 INFO L356 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-04-18 15:51:22,070 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-04-18 15:51:22,102 INFO L356 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-04-18 15:51:22,102 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-04-18 15:51:22,148 INFO L356 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-04-18 15:51:22,148 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-04-18 15:51:22,170 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-04-18 15:51:22,170 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 15:51:22,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109972097] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:51:22,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-18 15:51:22,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2022-04-18 15:51:22,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104260555] [2022-04-18 15:51:22,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:51:22,171 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 15:51:22,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:51:22,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 15:51:22,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-04-18 15:51:22,173 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 479 [2022-04-18 15:51:22,174 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 431 transitions, 946 flow. Second operand has 6 states, 6 states have (on average 278.3333333333333) internal successors, (1670), 6 states have internal predecessors, (1670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:51:22,174 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:51:22,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 479 [2022-04-18 15:51:22,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand