./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN --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 be2a0d1eee532c8ad9f827ec91fa18dbacb100bdaebd8afe9a7f9b56098458ea --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:46:51,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:46:51,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:46:51,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:46:51,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:46:51,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:46:51,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:46:51,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:46:51,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:46:51,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:46:51,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:46:51,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:46:51,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:46:51,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:46:51,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:46:51,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:46:51,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:46:51,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:46:51,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:46:51,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:46:51,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:46:51,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:46:51,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:46:51,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:46:51,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:46:51,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:46:51,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:46:51,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:46:51,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:46:51,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:46:51,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:46:51,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:46:51,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:46:51,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:46:51,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:46:51,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:46:51,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:46:51,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:46:51,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:46:51,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:46:51,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:46:51,146 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 10:46:51,196 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:46:51,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:46:51,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:46:51,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:46:51,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:46:51,198 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:46:51,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:46:51,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:46:51,200 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:46:51,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:46:51,201 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:46:51,202 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:46:51,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:46:51,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:46:51,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:46:51,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:46:51,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:46:51,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:46:51,204 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 10:46:51,204 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:46:51,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:46:51,204 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:46:51,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:46:51,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:46:51,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:46:51,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:46:51,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:51,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:46:51,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:46:51,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:46:51,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:46:51,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:46:51,208 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:46:51,209 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:46:51,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:46:51,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be2a0d1eee532c8ad9f827ec91fa18dbacb100bdaebd8afe9a7f9b56098458ea [2022-11-20 10:46:51,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:46:51,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:46:51,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:46:51,567 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:46:51,567 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:46:51,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c [2022-11-20 10:46:54,626 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:46:54,824 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:46:54,825 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c [2022-11-20 10:46:54,833 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN/data/4305c568f/e6ed51347ec64ad58bc0ec2fc61a99cf/FLAGac4cdcf41 [2022-11-20 10:46:54,854 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN/data/4305c568f/e6ed51347ec64ad58bc0ec2fc61a99cf [2022-11-20 10:46:54,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:46:54,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:46:54,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:54,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:46:54,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:46:54,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:54" (1/1) ... [2022-11-20 10:46:54,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:54, skipping insertion in model container [2022-11-20 10:46:54,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:54" (1/1) ... [2022-11-20 10:46:54,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:46:54,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:46:55,172 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c[3015,3028] [2022-11-20 10:46:55,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:55,196 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:46:55,237 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c[3015,3028] [2022-11-20 10:46:55,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:55,254 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:46:55,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55 WrapperNode [2022-11-20 10:46:55,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:55,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:55,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:46:55,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:46:55,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,337 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 322 [2022-11-20 10:46:55,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:55,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:46:55,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:46:55,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:46:55,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,393 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:46:55,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:46:55,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:46:55,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:46:55,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (1/1) ... [2022-11-20 10:46:55,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:55,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:46:55,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:46:55,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:46:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:46:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 10:46:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 10:46:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 10:46:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 10:46:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 10:46:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 10:46:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:46:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:46:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:46:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:46:55,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:46:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:46:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:46:55,502 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 10:46:55,621 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:46:55,624 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:46:56,245 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:46:56,276 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:46:56,277 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 10:46:56,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:56 BoogieIcfgContainer [2022-11-20 10:46:56,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:46:56,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:46:56,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:46:56,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:46:56,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:46:54" (1/3) ... [2022-11-20 10:46:56,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fde010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:56, skipping insertion in model container [2022-11-20 10:46:56,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:55" (2/3) ... [2022-11-20 10:46:56,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fde010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:56, skipping insertion in model container [2022-11-20 10:46:56,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:56" (3/3) ... [2022-11-20 10:46:56,291 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-subst.wvr.c [2022-11-20 10:46:56,301 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:46:56,312 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:46:56,313 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-11-20 10:46:56,313 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:46:56,481 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-20 10:46:56,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 414 places, 425 transitions, 874 flow [2022-11-20 10:46:56,737 INFO L130 PetriNetUnfolder]: 21/422 cut-off events. [2022-11-20 10:46:56,737 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 10:46:56,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 422 events. 21/422 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1118 event pairs, 0 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 270. Up to 2 conditions per place. [2022-11-20 10:46:56,754 INFO L82 GeneralOperation]: Start removeDead. Operand has 414 places, 425 transitions, 874 flow [2022-11-20 10:46:56,772 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 390 places, 399 transitions, 816 flow [2022-11-20 10:46:56,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:46:56,800 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@116ba78b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:46:56,801 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2022-11-20 10:46:56,807 INFO L130 PetriNetUnfolder]: 0/31 cut-off events. [2022-11-20 10:46:56,807 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:46:56,808 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:56,809 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:56,809 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:46:56,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:56,815 INFO L85 PathProgramCache]: Analyzing trace with hash -139155418, now seen corresponding path program 1 times [2022-11-20 10:46:56,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:56,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747456449] [2022-11-20 10:46:56,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:56,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:57,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:57,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747456449] [2022-11-20 10:46:57,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747456449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:57,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:57,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:57,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163842173] [2022-11-20 10:46:57,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:57,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:57,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:57,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:57,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:57,202 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-20 10:46:57,213 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 399 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:57,213 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:57,213 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-20 10:46:57,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:57,694 INFO L130 PetriNetUnfolder]: 72/1294 cut-off events. [2022-11-20 10:46:57,694 INFO L131 PetriNetUnfolder]: For 54/54 co-relation queries the response was YES. [2022-11-20 10:46:57,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1443 conditions, 1294 events. 72/1294 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 8386 event pairs, 39 based on Foata normal form. 41/1137 useless extension candidates. Maximal degree in co-relation 1203. Up to 90 conditions per place. [2022-11-20 10:46:57,724 INFO L137 encePairwiseOnDemand]: 415/425 looper letters, 15 selfloop transitions, 2 changer transitions 1/391 dead transitions. [2022-11-20 10:46:57,724 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 391 transitions, 834 flow [2022-11-20 10:46:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:46:57,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2022-11-20 10:46:57,749 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.956078431372549 [2022-11-20 10:46:57,750 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1219 transitions. [2022-11-20 10:46:57,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1219 transitions. [2022-11-20 10:46:57,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:57,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1219 transitions. [2022-11-20 10:46:57,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:57,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:57,779 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:57,781 INFO L175 Difference]: Start difference. First operand has 390 places, 399 transitions, 816 flow. Second operand 3 states and 1219 transitions. [2022-11-20 10:46:57,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 391 transitions, 834 flow [2022-11-20 10:46:57,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 391 transitions, 822 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-20 10:46:57,803 INFO L231 Difference]: Finished difference. Result has 385 places, 390 transitions, 790 flow [2022-11-20 10:46:57,806 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=788, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=790, PETRI_PLACES=385, PETRI_TRANSITIONS=390} [2022-11-20 10:46:57,810 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -5 predicate places. [2022-11-20 10:46:57,811 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 390 transitions, 790 flow [2022-11-20 10:46:57,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:57,812 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:57,813 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:57,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:46:57,814 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:46:57,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:57,815 INFO L85 PathProgramCache]: Analyzing trace with hash -196100769, now seen corresponding path program 1 times [2022-11-20 10:46:57,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:57,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536196168] [2022-11-20 10:46:57,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:57,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:57,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:57,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:57,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536196168] [2022-11-20 10:46:57,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536196168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:57,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:57,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:57,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865696578] [2022-11-20 10:46:57,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:57,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:57,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:57,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:57,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:57,968 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-20 10:46:57,970 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 390 transitions, 790 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:57,975 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:57,975 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-20 10:46:57,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:58,249 INFO L130 PetriNetUnfolder]: 46/916 cut-off events. [2022-11-20 10:46:58,249 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-11-20 10:46:58,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 916 events. 46/916 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4572 event pairs, 21 based on Foata normal form. 0/780 useless extension candidates. Maximal degree in co-relation 954. Up to 63 conditions per place. [2022-11-20 10:46:58,270 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 15 selfloop transitions, 2 changer transitions 0/389 dead transitions. [2022-11-20 10:46:58,270 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 389 transitions, 822 flow [2022-11-20 10:46:58,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:58,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:46:58,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2022-11-20 10:46:58,274 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9505882352941176 [2022-11-20 10:46:58,274 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1212 transitions. [2022-11-20 10:46:58,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1212 transitions. [2022-11-20 10:46:58,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:58,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1212 transitions. [2022-11-20 10:46:58,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:58,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:58,283 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:58,283 INFO L175 Difference]: Start difference. First operand has 385 places, 390 transitions, 790 flow. Second operand 3 states and 1212 transitions. [2022-11-20 10:46:58,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 389 transitions, 822 flow [2022-11-20 10:46:58,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 389 transitions, 818 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:46:58,291 INFO L231 Difference]: Finished difference. Result has 383 places, 389 transitions, 788 flow [2022-11-20 10:46:58,292 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=788, PETRI_PLACES=383, PETRI_TRANSITIONS=389} [2022-11-20 10:46:58,293 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -7 predicate places. [2022-11-20 10:46:58,293 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 389 transitions, 788 flow [2022-11-20 10:46:58,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:58,294 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:58,295 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:58,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:46:58,295 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:46:58,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:58,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1291667774, now seen corresponding path program 1 times [2022-11-20 10:46:58,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:58,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037613442] [2022-11-20 10:46:58,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:58,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:58,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:58,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037613442] [2022-11-20 10:46:58,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037613442] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:58,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:58,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:58,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550180659] [2022-11-20 10:46:58,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:58,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:58,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:58,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:58,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:58,401 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-20 10:46:58,402 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 389 transitions, 788 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:58,403 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:58,403 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-20 10:46:58,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:58,751 INFO L130 PetriNetUnfolder]: 60/1028 cut-off events. [2022-11-20 10:46:58,752 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2022-11-20 10:46:58,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1130 conditions, 1028 events. 60/1028 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5510 event pairs, 39 based on Foata normal form. 0/893 useless extension candidates. Maximal degree in co-relation 1083. Up to 90 conditions per place. [2022-11-20 10:46:58,772 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 15 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2022-11-20 10:46:58,773 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 388 transitions, 820 flow [2022-11-20 10:46:58,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:46:58,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2022-11-20 10:46:58,778 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9505882352941176 [2022-11-20 10:46:58,779 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1212 transitions. [2022-11-20 10:46:58,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1212 transitions. [2022-11-20 10:46:58,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:58,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1212 transitions. [2022-11-20 10:46:58,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:58,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:58,788 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:58,788 INFO L175 Difference]: Start difference. First operand has 383 places, 389 transitions, 788 flow. Second operand 3 states and 1212 transitions. [2022-11-20 10:46:58,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 388 transitions, 820 flow [2022-11-20 10:46:58,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 388 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:46:58,795 INFO L231 Difference]: Finished difference. Result has 382 places, 388 transitions, 786 flow [2022-11-20 10:46:58,796 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=786, PETRI_PLACES=382, PETRI_TRANSITIONS=388} [2022-11-20 10:46:58,798 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -8 predicate places. [2022-11-20 10:46:58,798 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 388 transitions, 786 flow [2022-11-20 10:46:58,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:58,800 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:58,800 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:58,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:46:58,800 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:46:58,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:58,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1396841217, now seen corresponding path program 1 times [2022-11-20 10:46:58,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:58,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709612453] [2022-11-20 10:46:58,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:58,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:58,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:58,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709612453] [2022-11-20 10:46:58,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709612453] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:58,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:58,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:58,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676552754] [2022-11-20 10:46:58,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:58,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:58,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:58,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:58,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:58,906 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-20 10:46:58,908 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 388 transitions, 786 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:58,908 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:58,908 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-20 10:46:58,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:59,208 INFO L130 PetriNetUnfolder]: 91/1196 cut-off events. [2022-11-20 10:46:59,208 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-20 10:46:59,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1308 conditions, 1196 events. 91/1196 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7960 event pairs, 39 based on Foata normal form. 0/962 useless extension candidates. Maximal degree in co-relation 1254. Up to 85 conditions per place. [2022-11-20 10:46:59,238 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 15 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2022-11-20 10:46:59,238 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 387 transitions, 818 flow [2022-11-20 10:46:59,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:59,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:46:59,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2022-11-20 10:46:59,242 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9505882352941176 [2022-11-20 10:46:59,242 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1212 transitions. [2022-11-20 10:46:59,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1212 transitions. [2022-11-20 10:46:59,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:59,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1212 transitions. [2022-11-20 10:46:59,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:59,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:59,254 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:59,254 INFO L175 Difference]: Start difference. First operand has 382 places, 388 transitions, 786 flow. Second operand 3 states and 1212 transitions. [2022-11-20 10:46:59,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 387 transitions, 818 flow [2022-11-20 10:46:59,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 387 transitions, 814 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:46:59,262 INFO L231 Difference]: Finished difference. Result has 381 places, 387 transitions, 784 flow [2022-11-20 10:46:59,263 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=784, PETRI_PLACES=381, PETRI_TRANSITIONS=387} [2022-11-20 10:46:59,266 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -9 predicate places. [2022-11-20 10:46:59,266 INFO L495 AbstractCegarLoop]: Abstraction has has 381 places, 387 transitions, 784 flow [2022-11-20 10:46:59,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:59,268 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:59,268 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:59,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:46:59,268 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:46:59,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:59,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1262755151, now seen corresponding path program 1 times [2022-11-20 10:46:59,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:59,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688503571] [2022-11-20 10:46:59,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:59,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:59,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:59,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:59,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688503571] [2022-11-20 10:46:59,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688503571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:59,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:59,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:59,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749949936] [2022-11-20 10:46:59,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:59,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:59,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:59,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:59,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:59,354 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 425 [2022-11-20 10:46:59,355 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 387 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:59,356 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:59,356 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 425 [2022-11-20 10:46:59,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:59,658 INFO L130 PetriNetUnfolder]: 88/1182 cut-off events. [2022-11-20 10:46:59,659 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-20 10:46:59,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1294 conditions, 1182 events. 88/1182 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7413 event pairs, 36 based on Foata normal form. 0/960 useless extension candidates. Maximal degree in co-relation 1234. Up to 91 conditions per place. [2022-11-20 10:46:59,681 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 18 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2022-11-20 10:46:59,681 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 386 transitions, 822 flow [2022-11-20 10:46:59,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:59,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:46:59,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1206 transitions. [2022-11-20 10:46:59,685 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9458823529411765 [2022-11-20 10:46:59,685 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1206 transitions. [2022-11-20 10:46:59,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1206 transitions. [2022-11-20 10:46:59,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:59,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1206 transitions. [2022-11-20 10:46:59,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:59,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:59,694 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:59,694 INFO L175 Difference]: Start difference. First operand has 381 places, 387 transitions, 784 flow. Second operand 3 states and 1206 transitions. [2022-11-20 10:46:59,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 386 transitions, 822 flow [2022-11-20 10:46:59,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 386 transitions, 818 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:46:59,706 INFO L231 Difference]: Finished difference. Result has 380 places, 386 transitions, 782 flow [2022-11-20 10:46:59,707 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=380, PETRI_TRANSITIONS=386} [2022-11-20 10:46:59,711 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -10 predicate places. [2022-11-20 10:46:59,711 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 386 transitions, 782 flow [2022-11-20 10:46:59,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:59,712 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:59,713 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:59,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:46:59,713 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:46:59,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:59,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1629513981, now seen corresponding path program 1 times [2022-11-20 10:46:59,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:59,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657555377] [2022-11-20 10:46:59,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:59,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:59,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:59,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657555377] [2022-11-20 10:46:59,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657555377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:59,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:59,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:59,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556834140] [2022-11-20 10:46:59,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:59,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:59,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:59,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:59,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:59,802 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 425 [2022-11-20 10:46:59,804 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 386 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 393.3333333333333) internal successors, (1180), 3 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:46:59,804 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:59,804 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 425 [2022-11-20 10:46:59,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:00,212 INFO L130 PetriNetUnfolder]: 216/1801 cut-off events. [2022-11-20 10:47:00,213 INFO L131 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2022-11-20 10:47:00,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2066 conditions, 1801 events. 216/1801 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 14040 event pairs, 132 based on Foata normal form. 0/1464 useless extension candidates. Maximal degree in co-relation 2000. Up to 250 conditions per place. [2022-11-20 10:47:00,246 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 21 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2022-11-20 10:47:00,246 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 385 transitions, 826 flow [2022-11-20 10:47:00,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:00,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:00,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1200 transitions. [2022-11-20 10:47:00,250 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2022-11-20 10:47:00,250 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1200 transitions. [2022-11-20 10:47:00,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1200 transitions. [2022-11-20 10:47:00,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:00,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1200 transitions. [2022-11-20 10:47:00,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 400.0) internal successors, (1200), 3 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:00,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:00,258 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:00,258 INFO L175 Difference]: Start difference. First operand has 380 places, 386 transitions, 782 flow. Second operand 3 states and 1200 transitions. [2022-11-20 10:47:00,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 385 transitions, 826 flow [2022-11-20 10:47:00,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 385 transitions, 822 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:47:00,265 INFO L231 Difference]: Finished difference. Result has 379 places, 385 transitions, 780 flow [2022-11-20 10:47:00,266 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=379, PETRI_TRANSITIONS=385} [2022-11-20 10:47:00,269 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -11 predicate places. [2022-11-20 10:47:00,269 INFO L495 AbstractCegarLoop]: Abstraction has has 379 places, 385 transitions, 780 flow [2022-11-20 10:47:00,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 393.3333333333333) internal successors, (1180), 3 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:00,271 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:00,271 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:00,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:47:00,272 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:00,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:00,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1233425627, now seen corresponding path program 1 times [2022-11-20 10:47:00,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:00,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919436519] [2022-11-20 10:47:00,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:00,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:00,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:00,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:00,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919436519] [2022-11-20 10:47:00,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919436519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:00,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:00,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:00,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891842304] [2022-11-20 10:47:00,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:00,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:00,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:00,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:00,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:00,351 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-20 10:47:00,355 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 385 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:00,355 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:00,355 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-20 10:47:00,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:00,722 INFO L130 PetriNetUnfolder]: 100/1565 cut-off events. [2022-11-20 10:47:00,722 INFO L131 PetriNetUnfolder]: For 11/14 co-relation queries the response was YES. [2022-11-20 10:47:00,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1682 conditions, 1565 events. 100/1565 cut-off events. For 11/14 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 12126 event pairs, 39 based on Foata normal form. 0/1301 useless extension candidates. Maximal degree in co-relation 1610. Up to 90 conditions per place. [2022-11-20 10:47:00,750 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 15 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2022-11-20 10:47:00,750 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 384 transitions, 812 flow [2022-11-20 10:47:00,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:00,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:00,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2022-11-20 10:47:00,755 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9505882352941176 [2022-11-20 10:47:00,755 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1212 transitions. [2022-11-20 10:47:00,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1212 transitions. [2022-11-20 10:47:00,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:00,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1212 transitions. [2022-11-20 10:47:00,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:00,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:00,763 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:00,764 INFO L175 Difference]: Start difference. First operand has 379 places, 385 transitions, 780 flow. Second operand 3 states and 1212 transitions. [2022-11-20 10:47:00,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 384 transitions, 812 flow [2022-11-20 10:47:00,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 384 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:47:00,772 INFO L231 Difference]: Finished difference. Result has 378 places, 384 transitions, 778 flow [2022-11-20 10:47:00,773 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=778, PETRI_PLACES=378, PETRI_TRANSITIONS=384} [2022-11-20 10:47:00,774 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -12 predicate places. [2022-11-20 10:47:00,774 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 384 transitions, 778 flow [2022-11-20 10:47:00,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:00,775 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:00,775 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:00,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:47:00,776 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:00,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:00,776 INFO L85 PathProgramCache]: Analyzing trace with hash 2078908264, now seen corresponding path program 1 times [2022-11-20 10:47:00,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:00,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181721260] [2022-11-20 10:47:00,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:00,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:00,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:00,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181721260] [2022-11-20 10:47:00,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181721260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:00,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:00,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:00,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303379393] [2022-11-20 10:47:00,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:00,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:00,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:00,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:00,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:00,850 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 425 [2022-11-20 10:47:00,854 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 384 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:00,854 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:00,854 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 425 [2022-11-20 10:47:00,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:01,157 INFO L130 PetriNetUnfolder]: 87/1297 cut-off events. [2022-11-20 10:47:01,157 INFO L131 PetriNetUnfolder]: For 14/15 co-relation queries the response was YES. [2022-11-20 10:47:01,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1414 conditions, 1297 events. 87/1297 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 8796 event pairs, 36 based on Foata normal form. 0/1078 useless extension candidates. Maximal degree in co-relation 1336. Up to 96 conditions per place. [2022-11-20 10:47:01,186 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 18 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2022-11-20 10:47:01,186 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 383 transitions, 816 flow [2022-11-20 10:47:01,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:01,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:01,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1206 transitions. [2022-11-20 10:47:01,190 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9458823529411765 [2022-11-20 10:47:01,190 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1206 transitions. [2022-11-20 10:47:01,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1206 transitions. [2022-11-20 10:47:01,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:01,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1206 transitions. [2022-11-20 10:47:01,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:01,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:01,228 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:01,228 INFO L175 Difference]: Start difference. First operand has 378 places, 384 transitions, 778 flow. Second operand 3 states and 1206 transitions. [2022-11-20 10:47:01,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 383 transitions, 816 flow [2022-11-20 10:47:01,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 383 transitions, 812 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:47:01,236 INFO L231 Difference]: Finished difference. Result has 377 places, 383 transitions, 776 flow [2022-11-20 10:47:01,237 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=776, PETRI_PLACES=377, PETRI_TRANSITIONS=383} [2022-11-20 10:47:01,243 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -13 predicate places. [2022-11-20 10:47:01,244 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 383 transitions, 776 flow [2022-11-20 10:47:01,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:01,244 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:01,245 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:01,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:47:01,245 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:01,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:01,246 INFO L85 PathProgramCache]: Analyzing trace with hash 2083073061, now seen corresponding path program 1 times [2022-11-20 10:47:01,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:01,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611399658] [2022-11-20 10:47:01,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:01,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:01,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:01,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:01,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611399658] [2022-11-20 10:47:01,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611399658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:01,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:01,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:01,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29831089] [2022-11-20 10:47:01,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:01,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:01,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:01,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:01,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:01,318 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 425 [2022-11-20 10:47:01,320 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 383 transitions, 776 flow. Second operand has 3 states, 3 states have (on average 393.3333333333333) internal successors, (1180), 3 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:01,320 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:01,320 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 425 [2022-11-20 10:47:01,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:01,682 INFO L130 PetriNetUnfolder]: 192/1738 cut-off events. [2022-11-20 10:47:01,683 INFO L131 PetriNetUnfolder]: For 65/65 co-relation queries the response was YES. [2022-11-20 10:47:01,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2011 conditions, 1738 events. 192/1738 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 13322 event pairs, 132 based on Foata normal form. 0/1466 useless extension candidates. Maximal degree in co-relation 1927. Up to 258 conditions per place. [2022-11-20 10:47:01,717 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 21 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2022-11-20 10:47:01,717 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 382 transitions, 820 flow [2022-11-20 10:47:01,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:01,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:01,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1200 transitions. [2022-11-20 10:47:01,720 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2022-11-20 10:47:01,720 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1200 transitions. [2022-11-20 10:47:01,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1200 transitions. [2022-11-20 10:47:01,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:01,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1200 transitions. [2022-11-20 10:47:01,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 400.0) internal successors, (1200), 3 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:01,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:01,727 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:01,728 INFO L175 Difference]: Start difference. First operand has 377 places, 383 transitions, 776 flow. Second operand 3 states and 1200 transitions. [2022-11-20 10:47:01,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 382 transitions, 820 flow [2022-11-20 10:47:01,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 382 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:47:01,735 INFO L231 Difference]: Finished difference. Result has 376 places, 382 transitions, 774 flow [2022-11-20 10:47:01,736 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=774, PETRI_PLACES=376, PETRI_TRANSITIONS=382} [2022-11-20 10:47:01,736 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -14 predicate places. [2022-11-20 10:47:01,737 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 382 transitions, 774 flow [2022-11-20 10:47:01,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 393.3333333333333) internal successors, (1180), 3 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:01,738 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:01,738 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:01,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 10:47:01,739 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:01,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:01,739 INFO L85 PathProgramCache]: Analyzing trace with hash -795450280, now seen corresponding path program 1 times [2022-11-20 10:47:01,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:01,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486613780] [2022-11-20 10:47:01,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:01,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:01,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:01,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:01,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486613780] [2022-11-20 10:47:01,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486613780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:01,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:01,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:01,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884344638] [2022-11-20 10:47:01,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:01,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:01,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:01,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:01,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:01,780 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-20 10:47:01,782 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 382 transitions, 774 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:01,782 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:01,782 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-20 10:47:01,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:02,011 INFO L130 PetriNetUnfolder]: 72/1185 cut-off events. [2022-11-20 10:47:02,011 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-20 10:47:02,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1251 conditions, 1185 events. 72/1185 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 8029 event pairs, 13 based on Foata normal form. 0/982 useless extension candidates. Maximal degree in co-relation 1160. Up to 43 conditions per place. [2022-11-20 10:47:02,031 INFO L137 encePairwiseOnDemand]: 421/425 looper letters, 14 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2022-11-20 10:47:02,031 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 384 transitions, 812 flow [2022-11-20 10:47:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:02,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:02,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1221 transitions. [2022-11-20 10:47:02,034 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9576470588235294 [2022-11-20 10:47:02,034 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1221 transitions. [2022-11-20 10:47:02,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1221 transitions. [2022-11-20 10:47:02,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:02,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1221 transitions. [2022-11-20 10:47:02,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:02,041 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:02,041 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:02,042 INFO L175 Difference]: Start difference. First operand has 376 places, 382 transitions, 774 flow. Second operand 3 states and 1221 transitions. [2022-11-20 10:47:02,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 384 transitions, 812 flow [2022-11-20 10:47:02,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 384 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:47:02,049 INFO L231 Difference]: Finished difference. Result has 375 places, 382 transitions, 780 flow [2022-11-20 10:47:02,051 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=375, PETRI_TRANSITIONS=382} [2022-11-20 10:47:02,051 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-20 10:47:02,052 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 382 transitions, 780 flow [2022-11-20 10:47:02,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:02,052 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:02,053 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:02,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 10:47:02,055 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:02,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:02,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1923759149, now seen corresponding path program 1 times [2022-11-20 10:47:02,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:02,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53540472] [2022-11-20 10:47:02,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:02,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:02,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:02,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53540472] [2022-11-20 10:47:02,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53540472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:02,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:02,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:02,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166843435] [2022-11-20 10:47:02,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:02,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:02,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:02,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:02,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:02,116 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-20 10:47:02,117 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 382 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:02,117 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:02,117 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-20 10:47:02,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:02,355 INFO L130 PetriNetUnfolder]: 77/1250 cut-off events. [2022-11-20 10:47:02,356 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-20 10:47:02,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1326 conditions, 1250 events. 77/1250 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 8217 event pairs, 12 based on Foata normal form. 0/1046 useless extension candidates. Maximal degree in co-relation 1148. Up to 49 conditions per place. [2022-11-20 10:47:02,398 INFO L137 encePairwiseOnDemand]: 419/425 looper letters, 16 selfloop transitions, 3 changer transitions 0/384 dead transitions. [2022-11-20 10:47:02,398 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 384 transitions, 824 flow [2022-11-20 10:47:02,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:02,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:02,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2022-11-20 10:47:02,402 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9537254901960784 [2022-11-20 10:47:02,402 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1216 transitions. [2022-11-20 10:47:02,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1216 transitions. [2022-11-20 10:47:02,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:02,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1216 transitions. [2022-11-20 10:47:02,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:02,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:02,409 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:02,409 INFO L175 Difference]: Start difference. First operand has 375 places, 382 transitions, 780 flow. Second operand 3 states and 1216 transitions. [2022-11-20 10:47:02,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 384 transitions, 824 flow [2022-11-20 10:47:02,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 384 transitions, 824 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:47:02,416 INFO L231 Difference]: Finished difference. Result has 375 places, 382 transitions, 795 flow [2022-11-20 10:47:02,417 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=795, PETRI_PLACES=375, PETRI_TRANSITIONS=382} [2022-11-20 10:47:02,418 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-20 10:47:02,418 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 382 transitions, 795 flow [2022-11-20 10:47:02,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:02,419 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:02,419 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:02,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 10:47:02,419 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:02,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:02,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1335759233, now seen corresponding path program 1 times [2022-11-20 10:47:02,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:02,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298437702] [2022-11-20 10:47:02,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:02,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:02,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:02,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:02,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298437702] [2022-11-20 10:47:02,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298437702] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:02,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:02,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:02,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070393016] [2022-11-20 10:47:02,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:02,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:02,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:02,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:02,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:02,469 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-20 10:47:02,470 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 382 transitions, 795 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:02,470 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:02,471 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-20 10:47:02,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:02,746 INFO L130 PetriNetUnfolder]: 70/1323 cut-off events. [2022-11-20 10:47:02,747 INFO L131 PetriNetUnfolder]: For 11/16 co-relation queries the response was YES. [2022-11-20 10:47:02,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1419 conditions, 1323 events. 70/1323 cut-off events. For 11/16 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 9447 event pairs, 4 based on Foata normal form. 1/1134 useless extension candidates. Maximal degree in co-relation 1156. Up to 53 conditions per place. [2022-11-20 10:47:02,774 INFO L137 encePairwiseOnDemand]: 421/425 looper letters, 17 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2022-11-20 10:47:02,774 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 387 transitions, 848 flow [2022-11-20 10:47:02,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:02,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:02,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2022-11-20 10:47:02,777 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.96 [2022-11-20 10:47:02,778 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2022-11-20 10:47:02,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2022-11-20 10:47:02,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:02,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2022-11-20 10:47:02,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:02,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:02,784 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:02,785 INFO L175 Difference]: Start difference. First operand has 375 places, 382 transitions, 795 flow. Second operand 3 states and 1224 transitions. [2022-11-20 10:47:02,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 387 transitions, 848 flow [2022-11-20 10:47:02,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 387 transitions, 848 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:47:02,793 INFO L231 Difference]: Finished difference. Result has 376 places, 382 transitions, 805 flow [2022-11-20 10:47:02,794 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=805, PETRI_PLACES=376, PETRI_TRANSITIONS=382} [2022-11-20 10:47:02,795 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -14 predicate places. [2022-11-20 10:47:02,795 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 382 transitions, 805 flow [2022-11-20 10:47:02,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:02,796 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:02,796 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:02,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 10:47:02,796 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:02,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:02,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1074918372, now seen corresponding path program 1 times [2022-11-20 10:47:02,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:02,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383813422] [2022-11-20 10:47:02,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:02,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:02,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:02,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:02,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383813422] [2022-11-20 10:47:02,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383813422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:02,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:02,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:02,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602919738] [2022-11-20 10:47:02,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:02,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:02,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:02,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:02,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:02,850 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 425 [2022-11-20 10:47:02,851 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 382 transitions, 805 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:02,852 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:02,852 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 425 [2022-11-20 10:47:02,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:03,090 INFO L130 PetriNetUnfolder]: 57/1093 cut-off events. [2022-11-20 10:47:03,091 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-20 10:47:03,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 1093 events. 57/1093 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 7145 event pairs, 8 based on Foata normal form. 0/937 useless extension candidates. Maximal degree in co-relation 1010. Up to 36 conditions per place. [2022-11-20 10:47:03,112 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 13 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2022-11-20 10:47:03,112 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 383 transitions, 839 flow [2022-11-20 10:47:03,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:03,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1222 transitions. [2022-11-20 10:47:03,116 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9584313725490196 [2022-11-20 10:47:03,117 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1222 transitions. [2022-11-20 10:47:03,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1222 transitions. [2022-11-20 10:47:03,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:03,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1222 transitions. [2022-11-20 10:47:03,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:03,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:03,123 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:03,123 INFO L175 Difference]: Start difference. First operand has 376 places, 382 transitions, 805 flow. Second operand 3 states and 1222 transitions. [2022-11-20 10:47:03,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 383 transitions, 839 flow [2022-11-20 10:47:03,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 383 transitions, 839 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:47:03,130 INFO L231 Difference]: Finished difference. Result has 377 places, 381 transitions, 807 flow [2022-11-20 10:47:03,131 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=807, PETRI_PLACES=377, PETRI_TRANSITIONS=381} [2022-11-20 10:47:03,132 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -13 predicate places. [2022-11-20 10:47:03,132 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 381 transitions, 807 flow [2022-11-20 10:47:03,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:03,133 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:03,133 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:03,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 10:47:03,134 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:03,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:03,135 INFO L85 PathProgramCache]: Analyzing trace with hash -2145051609, now seen corresponding path program 1 times [2022-11-20 10:47:03,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:03,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595175167] [2022-11-20 10:47:03,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:03,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:03,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:03,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:03,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595175167] [2022-11-20 10:47:03,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595175167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:03,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:03,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:03,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954714277] [2022-11-20 10:47:03,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:03,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:03,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:03,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:03,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:03,183 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 425 [2022-11-20 10:47:03,185 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 381 transitions, 807 flow. Second operand has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:03,185 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:03,185 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 425 [2022-11-20 10:47:03,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:03,941 INFO L130 PetriNetUnfolder]: 348/4071 cut-off events. [2022-11-20 10:47:03,942 INFO L131 PetriNetUnfolder]: For 62/164 co-relation queries the response was YES. [2022-11-20 10:47:03,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4480 conditions, 4071 events. 348/4071 cut-off events. For 62/164 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 42193 event pairs, 100 based on Foata normal form. 0/3422 useless extension candidates. Maximal degree in co-relation 3661. Up to 312 conditions per place. [2022-11-20 10:47:04,000 INFO L137 encePairwiseOnDemand]: 417/425 looper letters, 18 selfloop transitions, 4 changer transitions 0/383 dead transitions. [2022-11-20 10:47:04,000 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 383 transitions, 857 flow [2022-11-20 10:47:04,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:04,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:04,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1211 transitions. [2022-11-20 10:47:04,005 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9498039215686275 [2022-11-20 10:47:04,005 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1211 transitions. [2022-11-20 10:47:04,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1211 transitions. [2022-11-20 10:47:04,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:04,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1211 transitions. [2022-11-20 10:47:04,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:04,012 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:04,013 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:04,013 INFO L175 Difference]: Start difference. First operand has 377 places, 381 transitions, 807 flow. Second operand 3 states and 1211 transitions. [2022-11-20 10:47:04,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 383 transitions, 857 flow [2022-11-20 10:47:04,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 383 transitions, 853 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:47:04,023 INFO L231 Difference]: Finished difference. Result has 374 places, 381 transitions, 823 flow [2022-11-20 10:47:04,024 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=795, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=823, PETRI_PLACES=374, PETRI_TRANSITIONS=381} [2022-11-20 10:47:04,025 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -16 predicate places. [2022-11-20 10:47:04,025 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 381 transitions, 823 flow [2022-11-20 10:47:04,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:04,026 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:04,026 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:04,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 10:47:04,027 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:04,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:04,027 INFO L85 PathProgramCache]: Analyzing trace with hash 732292094, now seen corresponding path program 1 times [2022-11-20 10:47:04,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:04,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275409325] [2022-11-20 10:47:04,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:04,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:04,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:04,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:04,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275409325] [2022-11-20 10:47:04,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275409325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:04,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:04,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:04,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576920017] [2022-11-20 10:47:04,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:04,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:04,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:04,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:04,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:04,073 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-20 10:47:04,074 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 381 transitions, 823 flow. Second operand has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:04,074 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:04,075 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-20 10:47:04,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:04,630 INFO L130 PetriNetUnfolder]: 169/3078 cut-off events. [2022-11-20 10:47:04,630 INFO L131 PetriNetUnfolder]: For 31/36 co-relation queries the response was YES. [2022-11-20 10:47:04,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3314 conditions, 3078 events. 169/3078 cut-off events. For 31/36 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 28587 event pairs, 20 based on Foata normal form. 3/2650 useless extension candidates. Maximal degree in co-relation 2934. Up to 133 conditions per place. [2022-11-20 10:47:04,683 INFO L137 encePairwiseOnDemand]: 419/425 looper letters, 19 selfloop transitions, 3 changer transitions 0/386 dead transitions. [2022-11-20 10:47:04,683 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 386 transitions, 882 flow [2022-11-20 10:47:04,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:04,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:04,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2022-11-20 10:47:04,687 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.956078431372549 [2022-11-20 10:47:04,687 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1219 transitions. [2022-11-20 10:47:04,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1219 transitions. [2022-11-20 10:47:04,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:04,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1219 transitions. [2022-11-20 10:47:04,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:04,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:04,693 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:04,693 INFO L175 Difference]: Start difference. First operand has 374 places, 381 transitions, 823 flow. Second operand 3 states and 1219 transitions. [2022-11-20 10:47:04,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 386 transitions, 882 flow [2022-11-20 10:47:04,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 386 transitions, 882 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:47:04,702 INFO L231 Difference]: Finished difference. Result has 374 places, 381 transitions, 838 flow [2022-11-20 10:47:04,704 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=838, PETRI_PLACES=374, PETRI_TRANSITIONS=381} [2022-11-20 10:47:04,706 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -16 predicate places. [2022-11-20 10:47:04,707 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 381 transitions, 838 flow [2022-11-20 10:47:04,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:04,707 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:04,707 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:04,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 10:47:04,708 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:04,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:04,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1575868109, now seen corresponding path program 1 times [2022-11-20 10:47:04,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:04,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107304825] [2022-11-20 10:47:04,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:04,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:04,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:04,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:04,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107304825] [2022-11-20 10:47:04,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107304825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:04,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:04,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:04,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310922366] [2022-11-20 10:47:04,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:04,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:04,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:04,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:04,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:04,766 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-20 10:47:04,768 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 381 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:04,768 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:04,768 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-20 10:47:04,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:05,257 INFO L130 PetriNetUnfolder]: 114/2645 cut-off events. [2022-11-20 10:47:05,257 INFO L131 PetriNetUnfolder]: For 27/30 co-relation queries the response was YES. [2022-11-20 10:47:05,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2868 conditions, 2645 events. 114/2645 cut-off events. For 27/30 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 23405 event pairs, 4 based on Foata normal form. 1/2313 useless extension candidates. Maximal degree in co-relation 2416. Up to 68 conditions per place. [2022-11-20 10:47:05,298 INFO L137 encePairwiseOnDemand]: 421/425 looper letters, 17 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2022-11-20 10:47:05,298 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 386 transitions, 891 flow [2022-11-20 10:47:05,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:05,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2022-11-20 10:47:05,305 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.96 [2022-11-20 10:47:05,306 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2022-11-20 10:47:05,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2022-11-20 10:47:05,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:05,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2022-11-20 10:47:05,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:05,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:05,322 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:05,324 INFO L175 Difference]: Start difference. First operand has 374 places, 381 transitions, 838 flow. Second operand 3 states and 1224 transitions. [2022-11-20 10:47:05,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 386 transitions, 891 flow [2022-11-20 10:47:05,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 386 transitions, 891 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:47:05,332 INFO L231 Difference]: Finished difference. Result has 375 places, 381 transitions, 848 flow [2022-11-20 10:47:05,333 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=848, PETRI_PLACES=375, PETRI_TRANSITIONS=381} [2022-11-20 10:47:05,333 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-20 10:47:05,333 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 381 transitions, 848 flow [2022-11-20 10:47:05,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:05,334 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:05,334 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:05,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 10:47:05,335 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:05,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:05,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1961823391, now seen corresponding path program 1 times [2022-11-20 10:47:05,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:05,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094357201] [2022-11-20 10:47:05,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:05,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:05,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:05,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:05,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094357201] [2022-11-20 10:47:05,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094357201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:05,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:05,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:05,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274038254] [2022-11-20 10:47:05,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:05,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:05,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:05,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:05,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:05,380 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 425 [2022-11-20 10:47:05,381 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 381 transitions, 848 flow. Second operand has 3 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:05,381 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:05,382 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 425 [2022-11-20 10:47:05,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:05,982 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1029] L50-38-->L50-39: Formula: true InVars {} OutVars{thread2Thread1of1ForFork2_#t~nondet12#1=|v_thread2Thread1of1ForFork2_#t~nondet12#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_#t~nondet12#1][156], [Black: 477#true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 86#thread3ENTRYtrue, Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 146#L50-39true, 474#(= |#race~is_null_6~0| 0), Black: 463#true, 487#true, 169#L78-7true, Black: 472#true]) [2022-11-20 10:47:05,982 INFO L383 tUnfolder$Statistics]: this new event has 207 ancestors and is cut-off event [2022-11-20 10:47:05,982 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-20 10:47:05,983 INFO L386 tUnfolder$Statistics]: existing Event has 171 ancestors and is cut-off event [2022-11-20 10:47:05,983 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-20 10:47:06,018 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1176] thread1EXIT-->L78-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem43#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][230], [Black: 477#true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 86#thread3ENTRYtrue, Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 146#L50-39true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 169#L78-7true, Black: 472#true]) [2022-11-20 10:47:06,019 INFO L383 tUnfolder$Statistics]: this new event has 171 ancestors and is not cut-off event [2022-11-20 10:47:06,019 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is not cut-off event [2022-11-20 10:47:06,019 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is not cut-off event [2022-11-20 10:47:06,019 INFO L386 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-11-20 10:47:06,020 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1176] thread1EXIT-->L78-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem43#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][286], [Black: 477#true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 86#thread3ENTRYtrue, Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 148#L50-40true, Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 489#(= |#race~result_10~0| |thread2Thread1of1ForFork2_#t~nondet12#1|), 169#L78-7true, Black: 472#true]) [2022-11-20 10:47:06,020 INFO L383 tUnfolder$Statistics]: this new event has 172 ancestors and is cut-off event [2022-11-20 10:47:06,020 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-20 10:47:06,021 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-20 10:47:06,021 INFO L386 tUnfolder$Statistics]: existing Event has 208 ancestors and is cut-off event [2022-11-20 10:47:06,026 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1176] thread1EXIT-->L78-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem43#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][286], [Black: 477#true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 86#thread3ENTRYtrue, Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 489#(= |#race~result_10~0| |thread2Thread1of1ForFork2_#t~nondet12#1|), 169#L78-7true, 98#L50-41true, Black: 472#true]) [2022-11-20 10:47:06,026 INFO L383 tUnfolder$Statistics]: this new event has 173 ancestors and is cut-off event [2022-11-20 10:47:06,026 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-20 10:47:06,026 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-20 10:47:06,027 INFO L386 tUnfolder$Statistics]: existing Event has 209 ancestors and is cut-off event [2022-11-20 10:47:06,114 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1176] thread1EXIT-->L78-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem43#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][230], [Black: 477#true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 86#thread3ENTRYtrue, Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 108#L52true, Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 169#L78-7true, Black: 472#true]) [2022-11-20 10:47:06,114 INFO L383 tUnfolder$Statistics]: this new event has 179 ancestors and is cut-off event [2022-11-20 10:47:06,115 INFO L386 tUnfolder$Statistics]: existing Event has 187 ancestors and is cut-off event [2022-11-20 10:47:06,115 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-20 10:47:06,115 INFO L386 tUnfolder$Statistics]: existing Event has 187 ancestors and is cut-off event [2022-11-20 10:47:06,180 INFO L130 PetriNetUnfolder]: 227/3961 cut-off events. [2022-11-20 10:47:06,181 INFO L131 PetriNetUnfolder]: For 54/111 co-relation queries the response was YES. [2022-11-20 10:47:06,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4455 conditions, 3961 events. 227/3961 cut-off events. For 54/111 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 38696 event pairs, 28 based on Foata normal form. 1/3426 useless extension candidates. Maximal degree in co-relation 3662. Up to 144 conditions per place. [2022-11-20 10:47:06,225 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 16 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2022-11-20 10:47:06,225 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 382 transitions, 888 flow [2022-11-20 10:47:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:06,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:06,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2022-11-20 10:47:06,229 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9537254901960784 [2022-11-20 10:47:06,229 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1216 transitions. [2022-11-20 10:47:06,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1216 transitions. [2022-11-20 10:47:06,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:06,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1216 transitions. [2022-11-20 10:47:06,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:06,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:06,238 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:06,238 INFO L175 Difference]: Start difference. First operand has 375 places, 381 transitions, 848 flow. Second operand 3 states and 1216 transitions. [2022-11-20 10:47:06,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 382 transitions, 888 flow [2022-11-20 10:47:06,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 382 transitions, 888 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:47:06,247 INFO L231 Difference]: Finished difference. Result has 376 places, 380 transitions, 850 flow [2022-11-20 10:47:06,247 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=846, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=850, PETRI_PLACES=376, PETRI_TRANSITIONS=380} [2022-11-20 10:47:06,248 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -14 predicate places. [2022-11-20 10:47:06,248 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 380 transitions, 850 flow [2022-11-20 10:47:06,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:06,249 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:06,249 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:06,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 10:47:06,249 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:06,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:06,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1714170448, now seen corresponding path program 1 times [2022-11-20 10:47:06,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:06,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618264815] [2022-11-20 10:47:06,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:06,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:06,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:06,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:06,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618264815] [2022-11-20 10:47:06,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618264815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:06,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:06,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:06,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068708850] [2022-11-20 10:47:06,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:06,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:06,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:06,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:06,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:06,310 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-20 10:47:06,312 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 380 transitions, 850 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:06,312 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:06,313 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-20 10:47:06,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:07,121 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][351], [Black: 477#true, 493#(= |#race~filename_4~0| 0), 299#L56-24true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 484#(= |#race~filename_1~0| 0), 465#(= 0 |#race~filename_is_null_2~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:07,121 INFO L383 tUnfolder$Statistics]: this new event has 202 ancestors and is cut-off event [2022-11-20 10:47:07,121 INFO L386 tUnfolder$Statistics]: existing Event has 238 ancestors and is cut-off event [2022-11-20 10:47:07,121 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-20 10:47:07,122 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-20 10:47:07,122 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][351], [Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 484#(= |#race~filename_1~0| 0), 465#(= 0 |#race~filename_is_null_2~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 309#L56-25true, 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:07,122 INFO L383 tUnfolder$Statistics]: this new event has 203 ancestors and is cut-off event [2022-11-20 10:47:07,122 INFO L386 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-11-20 10:47:07,122 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-20 10:47:07,123 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-20 10:47:07,167 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][351], [Black: 477#true, 493#(= |#race~filename_4~0| 0), 299#L56-24true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:07,168 INFO L383 tUnfolder$Statistics]: this new event has 202 ancestors and is not cut-off event [2022-11-20 10:47:07,168 INFO L386 tUnfolder$Statistics]: existing Event has 238 ancestors and is not cut-off event [2022-11-20 10:47:07,168 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is not cut-off event [2022-11-20 10:47:07,168 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is not cut-off event [2022-11-20 10:47:07,168 INFO L386 tUnfolder$Statistics]: existing Event has 202 ancestors and is not cut-off event [2022-11-20 10:47:07,169 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][351], [Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 309#L56-25true, 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:07,169 INFO L383 tUnfolder$Statistics]: this new event has 203 ancestors and is cut-off event [2022-11-20 10:47:07,169 INFO L386 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-11-20 10:47:07,169 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-20 10:47:07,169 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-20 10:47:07,170 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is cut-off event [2022-11-20 10:47:07,221 INFO L130 PetriNetUnfolder]: 126/3520 cut-off events. [2022-11-20 10:47:07,222 INFO L131 PetriNetUnfolder]: For 63/81 co-relation queries the response was YES. [2022-11-20 10:47:07,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3841 conditions, 3520 events. 126/3520 cut-off events. For 63/81 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 31711 event pairs, 14 based on Foata normal form. 0/3128 useless extension candidates. Maximal degree in co-relation 3404. Up to 140 conditions per place. [2022-11-20 10:47:07,303 INFO L137 encePairwiseOnDemand]: 421/425 looper letters, 17 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2022-11-20 10:47:07,303 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 385 transitions, 903 flow [2022-11-20 10:47:07,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:07,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2022-11-20 10:47:07,389 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.96 [2022-11-20 10:47:07,389 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2022-11-20 10:47:07,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2022-11-20 10:47:07,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:07,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2022-11-20 10:47:07,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:07,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:07,396 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:07,396 INFO L175 Difference]: Start difference. First operand has 376 places, 380 transitions, 850 flow. Second operand 3 states and 1224 transitions. [2022-11-20 10:47:07,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 385 transitions, 903 flow [2022-11-20 10:47:07,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 385 transitions, 899 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:47:07,403 INFO L231 Difference]: Finished difference. Result has 375 places, 380 transitions, 856 flow [2022-11-20 10:47:07,404 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=856, PETRI_PLACES=375, PETRI_TRANSITIONS=380} [2022-11-20 10:47:07,404 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-20 10:47:07,405 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 380 transitions, 856 flow [2022-11-20 10:47:07,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:07,405 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:07,406 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:07,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 10:47:07,406 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:07,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:07,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1838423310, now seen corresponding path program 1 times [2022-11-20 10:47:07,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:07,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872079877] [2022-11-20 10:47:07,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:07,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:07,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:07,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:07,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872079877] [2022-11-20 10:47:07,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872079877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:07,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:07,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:07,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337101841] [2022-11-20 10:47:07,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:07,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:07,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:07,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:07,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:07,463 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 425 [2022-11-20 10:47:07,465 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 380 transitions, 856 flow. Second operand has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:07,465 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:07,465 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 425 [2022-11-20 10:47:07,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:08,871 INFO L130 PetriNetUnfolder]: 454/7734 cut-off events. [2022-11-20 10:47:08,871 INFO L131 PetriNetUnfolder]: For 145/157 co-relation queries the response was YES. [2022-11-20 10:47:08,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8697 conditions, 7734 events. 454/7734 cut-off events. For 145/157 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 91574 event pairs, 76 based on Foata normal form. 1/6981 useless extension candidates. Maximal degree in co-relation 7706. Up to 616 conditions per place. [2022-11-20 10:47:08,973 INFO L137 encePairwiseOnDemand]: 417/425 looper letters, 20 selfloop transitions, 4 changer transitions 0/384 dead transitions. [2022-11-20 10:47:08,974 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 384 transitions, 916 flow [2022-11-20 10:47:08,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:08,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:08,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2022-11-20 10:47:08,977 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9513725490196079 [2022-11-20 10:47:08,977 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1213 transitions. [2022-11-20 10:47:08,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1213 transitions. [2022-11-20 10:47:08,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:08,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1213 transitions. [2022-11-20 10:47:08,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:08,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:08,984 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:08,984 INFO L175 Difference]: Start difference. First operand has 375 places, 380 transitions, 856 flow. Second operand 3 states and 1213 transitions. [2022-11-20 10:47:08,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 384 transitions, 916 flow [2022-11-20 10:47:08,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 384 transitions, 916 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:47:08,991 INFO L231 Difference]: Finished difference. Result has 374 places, 380 transitions, 876 flow [2022-11-20 10:47:08,992 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=876, PETRI_PLACES=374, PETRI_TRANSITIONS=380} [2022-11-20 10:47:08,992 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -16 predicate places. [2022-11-20 10:47:08,993 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 380 transitions, 876 flow [2022-11-20 10:47:08,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:08,993 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:08,993 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:08,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 10:47:08,994 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:08,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:08,994 INFO L85 PathProgramCache]: Analyzing trace with hash -17677255, now seen corresponding path program 1 times [2022-11-20 10:47:08,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:08,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458346560] [2022-11-20 10:47:08,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:08,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:09,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:09,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:09,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458346560] [2022-11-20 10:47:09,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458346560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:09,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:09,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:47:09,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123110062] [2022-11-20 10:47:09,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:09,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:47:09,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:09,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:47:09,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:47:09,494 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 425 [2022-11-20 10:47:09,496 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 380 transitions, 876 flow. Second operand has 6 states, 6 states have (on average 388.0) internal successors, (2328), 6 states have internal predecessors, (2328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:09,496 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:09,496 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 425 [2022-11-20 10:47:09,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:10,238 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][355], [Black: 477#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 491#true, 465#(= 0 |#race~filename_is_null_2~0|), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 317#L80-7true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 482#true, Black: 472#true]) [2022-11-20 10:47:10,238 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-20 10:47:10,238 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:47:10,238 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-20 10:47:10,238 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:47:10,256 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][355], [Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 317#L80-7true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-20 10:47:10,256 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-20 10:47:10,256 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is cut-off event [2022-11-20 10:47:10,256 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:10,256 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:10,256 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][355], [Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 317#L80-7true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-20 10:47:10,256 INFO L383 tUnfolder$Statistics]: this new event has 231 ancestors and is cut-off event [2022-11-20 10:47:10,257 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is cut-off event [2022-11-20 10:47:10,257 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:10,257 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:47:10,257 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:10,259 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][355], [Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 317#L80-7true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-20 10:47:10,259 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-20 10:47:10,259 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is cut-off event [2022-11-20 10:47:10,260 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:10,260 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:47:10,260 INFO L386 tUnfolder$Statistics]: existing Event has 231 ancestors and is cut-off event [2022-11-20 10:47:10,260 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:10,268 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][355], [Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-20 10:47:10,268 INFO L383 tUnfolder$Statistics]: this new event has 223 ancestors and is not cut-off event [2022-11-20 10:47:10,268 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is not cut-off event [2022-11-20 10:47:10,268 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:47:10,268 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:47:10,268 INFO L386 tUnfolder$Statistics]: existing Event has 231 ancestors and is not cut-off event [2022-11-20 10:47:10,269 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:47:10,269 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:47:10,285 INFO L130 PetriNetUnfolder]: 123/3674 cut-off events. [2022-11-20 10:47:10,285 INFO L131 PetriNetUnfolder]: For 7/111 co-relation queries the response was YES. [2022-11-20 10:47:10,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4135 conditions, 3674 events. 123/3674 cut-off events. For 7/111 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 35151 event pairs, 0 based on Foata normal form. 28/3316 useless extension candidates. Maximal degree in co-relation 3540. Up to 104 conditions per place. [2022-11-20 10:47:10,335 INFO L137 encePairwiseOnDemand]: 420/425 looper letters, 23 selfloop transitions, 4 changer transitions 0/379 dead transitions. [2022-11-20 10:47:10,336 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 379 transitions, 928 flow [2022-11-20 10:47:10,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:47:10,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:47:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2344 transitions. [2022-11-20 10:47:10,344 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9192156862745098 [2022-11-20 10:47:10,345 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2344 transitions. [2022-11-20 10:47:10,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2344 transitions. [2022-11-20 10:47:10,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:10,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2344 transitions. [2022-11-20 10:47:10,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 390.6666666666667) internal successors, (2344), 6 states have internal predecessors, (2344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:10,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 425.0) internal successors, (2975), 7 states have internal predecessors, (2975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:10,358 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 425.0) internal successors, (2975), 7 states have internal predecessors, (2975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:10,358 INFO L175 Difference]: Start difference. First operand has 374 places, 380 transitions, 876 flow. Second operand 6 states and 2344 transitions. [2022-11-20 10:47:10,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 379 transitions, 928 flow [2022-11-20 10:47:10,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 379 transitions, 928 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:47:10,365 INFO L231 Difference]: Finished difference. Result has 378 places, 379 transitions, 882 flow [2022-11-20 10:47:10,366 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=882, PETRI_PLACES=378, PETRI_TRANSITIONS=379} [2022-11-20 10:47:10,366 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -12 predicate places. [2022-11-20 10:47:10,367 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 379 transitions, 882 flow [2022-11-20 10:47:10,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 388.0) internal successors, (2328), 6 states have internal predecessors, (2328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:10,368 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:10,368 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:10,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 10:47:10,368 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:10,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:10,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1174836277, now seen corresponding path program 1 times [2022-11-20 10:47:10,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:10,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389414356] [2022-11-20 10:47:10,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:10,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:10,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:10,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389414356] [2022-11-20 10:47:10,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389414356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:10,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:10,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:10,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114501516] [2022-11-20 10:47:10,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:10,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:10,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:10,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:10,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:10,442 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-20 10:47:10,443 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 379 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 403.0) internal successors, (1209), 3 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:10,443 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:10,443 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-20 10:47:10,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:11,584 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][358], [Black: 477#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 491#true, 465#(= 0 |#race~filename_is_null_2~0|), 498#(= 0 |#race~filename_is_null_8~0|), 508#true, Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 482#true, Black: 472#true]) [2022-11-20 10:47:11,584 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-20 10:47:11,584 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:47:11,584 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-20 10:47:11,585 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:47:11,701 INFO L130 PetriNetUnfolder]: 240/6026 cut-off events. [2022-11-20 10:47:11,701 INFO L131 PetriNetUnfolder]: For 93/99 co-relation queries the response was YES. [2022-11-20 10:47:11,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6712 conditions, 6026 events. 240/6026 cut-off events. For 93/99 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 64780 event pairs, 20 based on Foata normal form. 0/5498 useless extension candidates. Maximal degree in co-relation 6382. Up to 300 conditions per place. [2022-11-20 10:47:11,776 INFO L137 encePairwiseOnDemand]: 421/425 looper letters, 16 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2022-11-20 10:47:11,777 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 383 transitions, 930 flow [2022-11-20 10:47:11,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:11,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:11,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1223 transitions. [2022-11-20 10:47:11,781 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9592156862745098 [2022-11-20 10:47:11,781 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1223 transitions. [2022-11-20 10:47:11,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1223 transitions. [2022-11-20 10:47:11,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:11,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1223 transitions. [2022-11-20 10:47:11,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:11,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:11,791 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:11,791 INFO L175 Difference]: Start difference. First operand has 378 places, 379 transitions, 882 flow. Second operand 3 states and 1223 transitions. [2022-11-20 10:47:11,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 383 transitions, 930 flow [2022-11-20 10:47:11,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 383 transitions, 923 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:47:11,799 INFO L231 Difference]: Finished difference. Result has 375 places, 379 transitions, 885 flow [2022-11-20 10:47:11,800 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=871, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=885, PETRI_PLACES=375, PETRI_TRANSITIONS=379} [2022-11-20 10:47:11,801 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-20 10:47:11,801 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 379 transitions, 885 flow [2022-11-20 10:47:11,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.0) internal successors, (1209), 3 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:11,801 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:11,802 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:11,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 10:47:11,802 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:11,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:11,803 INFO L85 PathProgramCache]: Analyzing trace with hash 156334103, now seen corresponding path program 1 times [2022-11-20 10:47:11,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:11,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128151307] [2022-11-20 10:47:11,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:11,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:11,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:11,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:11,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128151307] [2022-11-20 10:47:11,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128151307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:11,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:11,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:11,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822418705] [2022-11-20 10:47:11,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:11,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:11,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:11,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:11,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:11,856 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 425 [2022-11-20 10:47:11,857 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 379 transitions, 885 flow. Second operand has 3 states, 3 states have (on average 401.0) internal successors, (1203), 3 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:11,857 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:11,858 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 425 [2022-11-20 10:47:11,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:12,730 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1108] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][217], [75#L56-39true, Black: 477#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 491#true, 465#(= 0 |#race~filename_is_null_2~0|), 508#true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 513#true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 482#true, 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:12,731 INFO L383 tUnfolder$Statistics]: this new event has 177 ancestors and is not cut-off event [2022-11-20 10:47:12,731 INFO L386 tUnfolder$Statistics]: existing Event has 185 ancestors and is not cut-off event [2022-11-20 10:47:12,731 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is not cut-off event [2022-11-20 10:47:12,731 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is not cut-off event [2022-11-20 10:47:12,834 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1108] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][217], [Black: 508#true, 75#L56-39true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:12,835 INFO L383 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,835 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:47:12,835 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,835 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:47:12,901 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][341], [75#L56-39true, Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 513#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:12,901 INFO L383 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,902 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:47:12,902 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,902 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:47:12,902 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][347], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 515#(= |#race~result_11~0| |thread3Thread1of1ForFork0_#t~nondet18#1|), 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:12,902 INFO L383 tUnfolder$Statistics]: this new event has 242 ancestors and is cut-off event [2022-11-20 10:47:12,902 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:47:12,902 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:47:12,902 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:47:12,903 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][347], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 173#L56-41true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 515#(= |#race~result_11~0| |thread3Thread1of1ForFork0_#t~nondet18#1|), 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:12,903 INFO L383 tUnfolder$Statistics]: this new event has 243 ancestors and is cut-off event [2022-11-20 10:47:12,903 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-20 10:47:12,903 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:47:12,903 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:47:12,906 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1108] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][217], [75#L56-39true, Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:12,906 INFO L383 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,907 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:47:12,907 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,907 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,907 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:47:12,907 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][341], [75#L56-39true, Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 513#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:12,907 INFO L383 tUnfolder$Statistics]: this new event has 233 ancestors and is cut-off event [2022-11-20 10:47:12,907 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:47:12,908 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,908 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:47:12,908 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,908 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1108] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][217], [Black: 508#true, 75#L56-39true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:12,908 INFO L383 tUnfolder$Statistics]: this new event has 269 ancestors and is cut-off event [2022-11-20 10:47:12,908 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:47:12,908 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,909 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,909 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,909 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:47:12,930 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][341], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 513#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, 48#L58true, Black: 472#true]) [2022-11-20 10:47:12,930 INFO L383 tUnfolder$Statistics]: this new event has 249 ancestors and is cut-off event [2022-11-20 10:47:12,930 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,930 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,930 INFO L386 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-11-20 10:47:12,932 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1108] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][217], [75#L56-39true, Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:12,932 INFO L383 tUnfolder$Statistics]: this new event has 233 ancestors and is not cut-off event [2022-11-20 10:47:12,932 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is not cut-off event [2022-11-20 10:47:12,932 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is not cut-off event [2022-11-20 10:47:12,932 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is not cut-off event [2022-11-20 10:47:12,932 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is not cut-off event [2022-11-20 10:47:12,932 INFO L386 tUnfolder$Statistics]: existing Event has 269 ancestors and is not cut-off event [2022-11-20 10:47:12,932 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is not cut-off event [2022-11-20 10:47:12,933 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][347], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 515#(= |#race~result_11~0| |thread3Thread1of1ForFork0_#t~nondet18#1|), 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:12,933 INFO L383 tUnfolder$Statistics]: this new event has 234 ancestors and is cut-off event [2022-11-20 10:47:12,933 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:47:12,933 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:47:12,933 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:47:12,933 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:47:12,936 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][347], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), 173#L56-41true, Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 515#(= |#race~result_11~0| |thread3Thread1of1ForFork0_#t~nondet18#1|), 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:12,936 INFO L383 tUnfolder$Statistics]: this new event has 235 ancestors and is cut-off event [2022-11-20 10:47:12,936 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-20 10:47:12,936 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-20 10:47:12,936 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:47:12,936 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:47:12,942 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][341], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, 48#L58true, Black: 472#true]) [2022-11-20 10:47:12,942 INFO L383 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,943 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,943 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:47:12,943 INFO L386 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-11-20 10:47:12,943 INFO L386 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-11-20 10:47:12,949 INFO L130 PetriNetUnfolder]: 395/5117 cut-off events. [2022-11-20 10:47:12,949 INFO L131 PetriNetUnfolder]: For 280/329 co-relation queries the response was YES. [2022-11-20 10:47:12,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6468 conditions, 5117 events. 395/5117 cut-off events. For 280/329 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 55318 event pairs, 96 based on Foata normal form. 0/4679 useless extension candidates. Maximal degree in co-relation 6343. Up to 507 conditions per place. [2022-11-20 10:47:13,009 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 15 selfloop transitions, 2 changer transitions 0/380 dead transitions. [2022-11-20 10:47:13,010 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 380 transitions, 923 flow [2022-11-20 10:47:13,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:13,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1215 transitions. [2022-11-20 10:47:13,014 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9529411764705882 [2022-11-20 10:47:13,014 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1215 transitions. [2022-11-20 10:47:13,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1215 transitions. [2022-11-20 10:47:13,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:13,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1215 transitions. [2022-11-20 10:47:13,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:13,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:13,021 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:13,022 INFO L175 Difference]: Start difference. First operand has 375 places, 379 transitions, 885 flow. Second operand 3 states and 1215 transitions. [2022-11-20 10:47:13,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 380 transitions, 923 flow [2022-11-20 10:47:13,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 380 transitions, 923 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:47:13,031 INFO L231 Difference]: Finished difference. Result has 376 places, 378 transitions, 887 flow [2022-11-20 10:47:13,031 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=883, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=887, PETRI_PLACES=376, PETRI_TRANSITIONS=378} [2022-11-20 10:47:13,032 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -14 predicate places. [2022-11-20 10:47:13,032 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 378 transitions, 887 flow [2022-11-20 10:47:13,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.0) internal successors, (1203), 3 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:13,033 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:13,033 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:13,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 10:47:13,034 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:13,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:13,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1002200987, now seen corresponding path program 1 times [2022-11-20 10:47:13,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:13,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763592212] [2022-11-20 10:47:13,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:13,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:13,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:13,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:13,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763592212] [2022-11-20 10:47:13,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763592212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:13,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:13,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:47:13,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819417050] [2022-11-20 10:47:13,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:13,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:47:13,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:13,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:47:13,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:47:13,677 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 425 [2022-11-20 10:47:13,679 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 378 transitions, 887 flow. Second operand has 6 states, 6 states have (on average 389.0) internal successors, (2334), 6 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:13,680 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:13,680 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 425 [2022-11-20 10:47:13,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:14,315 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][353], [Black: 477#true, 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 491#true, 465#(= 0 |#race~filename_is_null_2~0|), 508#true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 317#L80-7true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 482#true, Black: 472#true]) [2022-11-20 10:47:14,315 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-20 10:47:14,315 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-20 10:47:14,315 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:47:14,315 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:47:14,348 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][353], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 317#L80-7true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-20 10:47:14,348 INFO L383 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-11-20 10:47:14,348 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:47:14,348 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:47:14,348 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:14,348 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][353], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 317#L80-7true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-20 10:47:14,348 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is cut-off event [2022-11-20 10:47:14,349 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-20 10:47:14,349 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:47:14,349 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:47:14,349 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:14,349 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][353], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 513#true, 317#L80-7true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-20 10:47:14,350 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-20 10:47:14,350 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-20 10:47:14,350 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:47:14,350 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:14,350 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:47:14,350 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:14,359 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][353], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 317#L80-7true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-20 10:47:14,360 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-20 10:47:14,360 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is not cut-off event [2022-11-20 10:47:14,360 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:47:14,360 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:47:14,360 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:47:14,360 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:47:14,361 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:47:14,364 INFO L130 PetriNetUnfolder]: 133/3974 cut-off events. [2022-11-20 10:47:14,364 INFO L131 PetriNetUnfolder]: For 7/106 co-relation queries the response was YES. [2022-11-20 10:47:14,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4718 conditions, 3974 events. 133/3974 cut-off events. For 7/106 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 38427 event pairs, 0 based on Foata normal form. 20/3702 useless extension candidates. Maximal degree in co-relation 4585. Up to 107 conditions per place. [2022-11-20 10:47:14,412 INFO L137 encePairwiseOnDemand]: 420/425 looper letters, 22 selfloop transitions, 4 changer transitions 0/377 dead transitions. [2022-11-20 10:47:14,413 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 377 transitions, 937 flow [2022-11-20 10:47:14,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:47:14,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:47:14,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2343 transitions. [2022-11-20 10:47:14,418 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9188235294117647 [2022-11-20 10:47:14,418 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2343 transitions. [2022-11-20 10:47:14,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2343 transitions. [2022-11-20 10:47:14,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:14,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2343 transitions. [2022-11-20 10:47:14,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 390.5) internal successors, (2343), 6 states have internal predecessors, (2343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:14,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 425.0) internal successors, (2975), 7 states have internal predecessors, (2975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:14,429 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 425.0) internal successors, (2975), 7 states have internal predecessors, (2975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:14,429 INFO L175 Difference]: Start difference. First operand has 376 places, 378 transitions, 887 flow. Second operand 6 states and 2343 transitions. [2022-11-20 10:47:14,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 377 transitions, 937 flow [2022-11-20 10:47:14,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 377 transitions, 933 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:47:14,440 INFO L231 Difference]: Finished difference. Result has 378 places, 377 transitions, 889 flow [2022-11-20 10:47:14,441 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=881, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=889, PETRI_PLACES=378, PETRI_TRANSITIONS=377} [2022-11-20 10:47:14,442 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -12 predicate places. [2022-11-20 10:47:14,442 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 377 transitions, 889 flow [2022-11-20 10:47:14,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 389.0) internal successors, (2334), 6 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:14,443 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:14,443 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:14,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-20 10:47:14,444 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:14,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:14,444 INFO L85 PathProgramCache]: Analyzing trace with hash 431593578, now seen corresponding path program 1 times [2022-11-20 10:47:14,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:14,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918812260] [2022-11-20 10:47:14,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:14,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:14,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:14,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:14,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918812260] [2022-11-20 10:47:14,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918812260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:14,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:14,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:47:14,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7941199] [2022-11-20 10:47:14,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:14,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:47:14,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:14,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:47:14,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:47:14,904 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 425 [2022-11-20 10:47:14,906 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 377 transitions, 889 flow. Second operand has 6 states, 6 states have (on average 390.0) internal successors, (2340), 6 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:14,906 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:14,906 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 425 [2022-11-20 10:47:14,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:15,604 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 477#true, 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 491#true, 465#(= 0 |#race~filename_is_null_2~0|), 508#true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 482#true, Black: 472#true]) [2022-11-20 10:47:15,604 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-20 10:47:15,604 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:47:15,604 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:47:15,604 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-20 10:47:15,643 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-20 10:47:15,643 INFO L383 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-11-20 10:47:15,644 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:15,644 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:47:15,644 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:47:15,644 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 317#L80-7true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-20 10:47:15,644 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is cut-off event [2022-11-20 10:47:15,644 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:15,644 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-20 10:47:15,645 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:47:15,645 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:47:15,645 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-20 10:47:15,645 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-20 10:47:15,645 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:15,645 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-20 10:47:15,646 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:47:15,646 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:15,646 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:47:15,652 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-20 10:47:15,652 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-20 10:47:15,652 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:47:15,652 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is not cut-off event [2022-11-20 10:47:15,653 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:47:15,653 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:47:15,653 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:47:15,653 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:47:15,656 INFO L130 PetriNetUnfolder]: 133/3965 cut-off events. [2022-11-20 10:47:15,657 INFO L131 PetriNetUnfolder]: For 10/106 co-relation queries the response was YES. [2022-11-20 10:47:15,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4544 conditions, 3965 events. 133/3965 cut-off events. For 10/106 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 38348 event pairs, 0 based on Foata normal form. 12/3694 useless extension candidates. Maximal degree in co-relation 4411. Up to 107 conditions per place. [2022-11-20 10:47:15,714 INFO L137 encePairwiseOnDemand]: 420/425 looper letters, 21 selfloop transitions, 4 changer transitions 0/376 dead transitions. [2022-11-20 10:47:15,714 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 376 transitions, 937 flow [2022-11-20 10:47:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:47:15,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:47:15,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2342 transitions. [2022-11-20 10:47:15,719 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9184313725490196 [2022-11-20 10:47:15,719 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2342 transitions. [2022-11-20 10:47:15,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2342 transitions. [2022-11-20 10:47:15,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:15,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2342 transitions. [2022-11-20 10:47:15,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 390.3333333333333) internal successors, (2342), 6 states have internal predecessors, (2342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:15,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 425.0) internal successors, (2975), 7 states have internal predecessors, (2975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:15,734 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 425.0) internal successors, (2975), 7 states have internal predecessors, (2975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:15,735 INFO L175 Difference]: Start difference. First operand has 378 places, 377 transitions, 889 flow. Second operand 6 states and 2342 transitions. [2022-11-20 10:47:15,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 376 transitions, 937 flow [2022-11-20 10:47:15,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 376 transitions, 930 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:47:15,742 INFO L231 Difference]: Finished difference. Result has 378 places, 376 transitions, 888 flow [2022-11-20 10:47:15,743 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=888, PETRI_PLACES=378, PETRI_TRANSITIONS=376} [2022-11-20 10:47:15,743 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -12 predicate places. [2022-11-20 10:47:15,744 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 376 transitions, 888 flow [2022-11-20 10:47:15,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 390.0) internal successors, (2340), 6 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:15,744 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:15,745 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:15,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-20 10:47:15,745 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:15,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:15,746 INFO L85 PathProgramCache]: Analyzing trace with hash 792606029, now seen corresponding path program 1 times [2022-11-20 10:47:15,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:15,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205674095] [2022-11-20 10:47:15,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:15,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:15,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:15,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:15,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205674095] [2022-11-20 10:47:15,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205674095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:15,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:15,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:15,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872749445] [2022-11-20 10:47:15,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:15,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:15,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:15,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:15,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:15,839 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 425 [2022-11-20 10:47:15,840 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 376 transitions, 888 flow. Second operand has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:15,840 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:15,840 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 425 [2022-11-20 10:47:15,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:16,619 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 463#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true, 531#true]) [2022-11-20 10:47:16,619 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-20 10:47:16,619 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:16,619 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:47:16,620 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:47:16,626 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 463#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true, 531#true]) [2022-11-20 10:47:16,626 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-20 10:47:16,626 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:47:16,626 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:47:16,627 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:47:16,627 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:47:16,630 INFO L130 PetriNetUnfolder]: 199/5528 cut-off events. [2022-11-20 10:47:16,631 INFO L131 PetriNetUnfolder]: For 34/61 co-relation queries the response was YES. [2022-11-20 10:47:16,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6325 conditions, 5528 events. 199/5528 cut-off events. For 34/61 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 58513 event pairs, 12 based on Foata normal form. 0/5165 useless extension candidates. Maximal degree in co-relation 5900. Up to 147 conditions per place. [2022-11-20 10:47:16,705 INFO L137 encePairwiseOnDemand]: 423/425 looper letters, 9 selfloop transitions, 1 changer transitions 0/375 dead transitions. [2022-11-20 10:47:16,705 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 375 transitions, 906 flow [2022-11-20 10:47:16,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:16,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1223 transitions. [2022-11-20 10:47:16,708 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9592156862745098 [2022-11-20 10:47:16,708 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1223 transitions. [2022-11-20 10:47:16,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1223 transitions. [2022-11-20 10:47:16,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:16,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1223 transitions. [2022-11-20 10:47:16,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:16,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:16,714 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:16,714 INFO L175 Difference]: Start difference. First operand has 378 places, 376 transitions, 888 flow. Second operand 3 states and 1223 transitions. [2022-11-20 10:47:16,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 375 transitions, 906 flow [2022-11-20 10:47:16,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 375 transitions, 899 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:47:16,722 INFO L231 Difference]: Finished difference. Result has 375 places, 375 transitions, 881 flow [2022-11-20 10:47:16,722 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=879, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=881, PETRI_PLACES=375, PETRI_TRANSITIONS=375} [2022-11-20 10:47:16,723 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-20 10:47:16,723 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 375 transitions, 881 flow [2022-11-20 10:47:16,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:16,724 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:16,724 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:16,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-20 10:47:16,724 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:16,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:16,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1451486154, now seen corresponding path program 1 times [2022-11-20 10:47:16,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:16,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460114000] [2022-11-20 10:47:16,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:16,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:16,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:16,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:16,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460114000] [2022-11-20 10:47:16,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460114000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:16,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:16,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:16,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285434670] [2022-11-20 10:47:16,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:16,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:16,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:16,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:16,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:16,794 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-20 10:47:16,795 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 375 transitions, 881 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:16,795 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:16,795 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-20 10:47:16,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:17,616 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true, 531#true]) [2022-11-20 10:47:17,616 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-20 10:47:17,616 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:47:17,616 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:47:17,616 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:47:17,618 INFO L130 PetriNetUnfolder]: 217/6058 cut-off events. [2022-11-20 10:47:17,618 INFO L131 PetriNetUnfolder]: For 51/105 co-relation queries the response was YES. [2022-11-20 10:47:17,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6967 conditions, 6058 events. 217/6058 cut-off events. For 51/105 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 65929 event pairs, 36 based on Foata normal form. 0/5680 useless extension candidates. Maximal degree in co-relation 6667. Up to 166 conditions per place. [2022-11-20 10:47:17,685 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 11 selfloop transitions, 1 changer transitions 0/373 dead transitions. [2022-11-20 10:47:17,686 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 373 transitions, 901 flow [2022-11-20 10:47:17,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:17,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:17,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2022-11-20 10:47:17,689 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9545098039215686 [2022-11-20 10:47:17,689 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1217 transitions. [2022-11-20 10:47:17,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1217 transitions. [2022-11-20 10:47:17,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:17,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1217 transitions. [2022-11-20 10:47:17,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.6666666666667) internal successors, (1217), 3 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:17,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:17,695 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:17,695 INFO L175 Difference]: Start difference. First operand has 375 places, 375 transitions, 881 flow. Second operand 3 states and 1217 transitions. [2022-11-20 10:47:17,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 373 transitions, 901 flow [2022-11-20 10:47:17,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 373 transitions, 900 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:47:17,702 INFO L231 Difference]: Finished difference. Result has 374 places, 373 transitions, 878 flow [2022-11-20 10:47:17,703 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=878, PETRI_PLACES=374, PETRI_TRANSITIONS=373} [2022-11-20 10:47:17,703 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -16 predicate places. [2022-11-20 10:47:17,704 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 373 transitions, 878 flow [2022-11-20 10:47:17,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:17,704 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:47:17,705 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:17,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-20 10:47:17,705 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-20 10:47:17,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:17,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1708029268, now seen corresponding path program 1 times [2022-11-20 10:47:17,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:17,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351146194] [2022-11-20 10:47:17,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:17,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:17,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:17,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351146194] [2022-11-20 10:47:17,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351146194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:17,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:17,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:47:17,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067737579] [2022-11-20 10:47:17,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:17,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:17,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:17,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:17,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:17,805 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-20 10:47:17,806 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 373 transitions, 878 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:17,806 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:47:17,806 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-20 10:47:17,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:47:18,582 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1112] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][224], [Black: 477#true, 535#true, 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 491#true, 465#(= 0 |#race~filename_is_null_2~0|), 234#L56-40true, 508#true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 482#true, 207#L79-7true, 539#true, Black: 472#true]) [2022-11-20 10:47:18,582 INFO L383 tUnfolder$Statistics]: this new event has 178 ancestors and is not cut-off event [2022-11-20 10:47:18,582 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is not cut-off event [2022-11-20 10:47:18,582 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is not cut-off event [2022-11-20 10:47:18,583 INFO L386 tUnfolder$Statistics]: existing Event has 186 ancestors and is not cut-off event [2022-11-20 10:47:18,684 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1112] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][224], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 539#true, 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:18,684 INFO L383 tUnfolder$Statistics]: this new event has 242 ancestors and is cut-off event [2022-11-20 10:47:18,684 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:47:18,684 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:47:18,684 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:47:18,750 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1112] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][224], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 539#true, 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:18,750 INFO L383 tUnfolder$Statistics]: this new event has 242 ancestors and is cut-off event [2022-11-20 10:47:18,750 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:47:18,751 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:47:18,751 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:47:18,751 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:47:18,751 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1112] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][224], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 539#true, 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:18,751 INFO L383 tUnfolder$Statistics]: this new event has 270 ancestors and is cut-off event [2022-11-20 10:47:18,752 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:47:18,752 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:47:18,752 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:47:18,752 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:47:18,752 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:47:18,753 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][339], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, 539#true, Black: 472#true]) [2022-11-20 10:47:18,753 INFO L383 tUnfolder$Statistics]: this new event has 234 ancestors and is cut-off event [2022-11-20 10:47:18,753 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:47:18,753 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:47:18,753 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:47:18,755 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][339], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, 539#true, Black: 472#true]) [2022-11-20 10:47:18,755 INFO L383 tUnfolder$Statistics]: this new event has 242 ancestors and is cut-off event [2022-11-20 10:47:18,755 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:47:18,756 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:47:18,756 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:47:18,756 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:47:18,756 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][339], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 173#L56-41true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, 539#true, Black: 472#true]) [2022-11-20 10:47:18,757 INFO L383 tUnfolder$Statistics]: this new event has 243 ancestors and is cut-off event [2022-11-20 10:47:18,757 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-20 10:47:18,757 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:47:18,757 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:47:18,772 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1112] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][224], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 539#true, 207#L79-7true, Black: 472#true]) [2022-11-20 10:47:18,772 INFO L383 tUnfolder$Statistics]: this new event has 234 ancestors and is not cut-off event [2022-11-20 10:47:18,772 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is not cut-off event [2022-11-20 10:47:18,772 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is not cut-off event [2022-11-20 10:47:18,773 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is not cut-off event [2022-11-20 10:47:18,773 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is not cut-off event [2022-11-20 10:47:18,773 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is not cut-off event [2022-11-20 10:47:18,773 INFO L386 tUnfolder$Statistics]: existing Event has 270 ancestors and is not cut-off event [2022-11-20 10:47:18,773 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][339], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), 173#L56-41true, Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, 539#true, Black: 472#true]) [2022-11-20 10:47:18,774 INFO L383 tUnfolder$Statistics]: this new event has 235 ancestors and is cut-off event [2022-11-20 10:47:18,774 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-20 10:47:18,774 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:47:18,774 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-20 10:47:18,774 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:47:18,784 INFO L130 PetriNetUnfolder]: 267/4736 cut-off events. [2022-11-20 10:47:18,784 INFO L131 PetriNetUnfolder]: For 152/197 co-relation queries the response was YES. [2022-11-20 10:47:18,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5733 conditions, 4736 events. 267/4736 cut-off events. For 152/197 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 49710 event pairs, 96 based on Foata normal form. 12/4435 useless extension candidates. Maximal degree in co-relation 5607. Up to 447 conditions per place. [2022-11-20 10:47:18,812 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 0 selfloop transitions, 0 changer transitions 371/371 dead transitions. [2022-11-20 10:47:18,812 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 371 transitions, 896 flow [2022-11-20 10:47:18,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:18,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:47:18,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2022-11-20 10:47:18,816 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9537254901960784 [2022-11-20 10:47:18,816 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1216 transitions. [2022-11-20 10:47:18,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1216 transitions. [2022-11-20 10:47:18,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:47:18,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1216 transitions. [2022-11-20 10:47:18,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:18,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:18,823 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:18,823 INFO L175 Difference]: Start difference. First operand has 374 places, 373 transitions, 878 flow. Second operand 3 states and 1216 transitions. [2022-11-20 10:47:18,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 371 transitions, 896 flow [2022-11-20 10:47:18,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 371 transitions, 895 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:47:18,829 INFO L231 Difference]: Finished difference. Result has 373 places, 0 transitions, 0 flow [2022-11-20 10:47:18,830 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=873, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=373, PETRI_TRANSITIONS=0} [2022-11-20 10:47:18,830 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -17 predicate places. [2022-11-20 10:47:18,831 INFO L495 AbstractCegarLoop]: Abstraction has has 373 places, 0 transitions, 0 flow [2022-11-20 10:47:18,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:18,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2022-11-20 10:47:18,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2022-11-20 10:47:18,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2022-11-20 10:47:18,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2022-11-20 10:47:18,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2022-11-20 10:47:18,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2022-11-20 10:47:18,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2022-11-20 10:47:18,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2022-11-20 10:47:18,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2022-11-20 10:47:18,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2022-11-20 10:47:18,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2022-11-20 10:47:18,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2022-11-20 10:47:18,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2022-11-20 10:47:18,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2022-11-20 10:47:18,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2022-11-20 10:47:18,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2022-11-20 10:47:18,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2022-11-20 10:47:18,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2022-11-20 10:47:18,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2022-11-20 10:47:18,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2022-11-20 10:47:18,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2022-11-20 10:47:18,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2022-11-20 10:47:18,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2022-11-20 10:47:18,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2022-11-20 10:47:18,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2022-11-20 10:47:18,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2022-11-20 10:47:18,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2022-11-20 10:47:18,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2022-11-20 10:47:18,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2022-11-20 10:47:18,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2022-11-20 10:47:18,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2022-11-20 10:47:18,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2022-11-20 10:47:18,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2022-11-20 10:47:18,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2022-11-20 10:47:18,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2022-11-20 10:47:18,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2022-11-20 10:47:18,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2022-11-20 10:47:18,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2022-11-20 10:47:18,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2022-11-20 10:47:18,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2022-11-20 10:47:18,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2022-11-20 10:47:18,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2022-11-20 10:47:18,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2022-11-20 10:47:18,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2022-11-20 10:47:18,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 74 remaining) [2022-11-20 10:47:18,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 74 remaining) [2022-11-20 10:47:18,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 74 remaining) [2022-11-20 10:47:18,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2022-11-20 10:47:18,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2022-11-20 10:47:18,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2022-11-20 10:47:18,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2022-11-20 10:47:18,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2022-11-20 10:47:18,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2022-11-20 10:47:18,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2022-11-20 10:47:18,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2022-11-20 10:47:18,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2022-11-20 10:47:18,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2022-11-20 10:47:18,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2022-11-20 10:47:18,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2022-11-20 10:47:18,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2022-11-20 10:47:18,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2022-11-20 10:47:18,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2022-11-20 10:47:18,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2022-11-20 10:47:18,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2022-11-20 10:47:18,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2022-11-20 10:47:18,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2022-11-20 10:47:18,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2022-11-20 10:47:18,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2022-11-20 10:47:18,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2022-11-20 10:47:18,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2022-11-20 10:47:18,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2022-11-20 10:47:18,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2022-11-20 10:47:18,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2022-11-20 10:47:18,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2022-11-20 10:47:18,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-20 10:47:18,851 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:18,858 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 10:47:18,858 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:47:18,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:47:18 BasicIcfg [2022-11-20 10:47:18,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:47:18,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:47:18,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:47:18,865 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:47:18,865 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:56" (3/4) ... [2022-11-20 10:47:18,868 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:47:18,874 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 10:47:18,875 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 10:47:18,875 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 10:47:18,881 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-20 10:47:18,881 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 10:47:18,882 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:47:18,882 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:47:18,928 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:47:18,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:47:18,929 INFO L158 Benchmark]: Toolchain (without parser) took 24068.30ms. Allocated memory was 155.2MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 110.9MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 158.1MB. Max. memory is 16.1GB. [2022-11-20 10:47:18,929 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 155.2MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:47:18,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.93ms. Allocated memory is still 155.2MB. Free memory was 110.9MB in the beginning and 98.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 10:47:18,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.09ms. Allocated memory is still 155.2MB. Free memory was 98.3MB in the beginning and 95.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:47:18,930 INFO L158 Benchmark]: Boogie Preprocessor took 59.42ms. Allocated memory is still 155.2MB. Free memory was 95.9MB in the beginning and 93.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:47:18,931 INFO L158 Benchmark]: RCFGBuilder took 880.63ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 93.8MB in the beginning and 156.8MB in the end (delta: -63.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2022-11-20 10:47:18,931 INFO L158 Benchmark]: TraceAbstraction took 22582.28ms. Allocated memory was 188.7MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 155.9MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 757.1MB. Max. memory is 16.1GB. [2022-11-20 10:47:18,931 INFO L158 Benchmark]: Witness Printer took 64.17ms. Allocated memory is still 1.7GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:47:18,933 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 155.2MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.93ms. Allocated memory is still 155.2MB. Free memory was 110.9MB in the beginning and 98.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.09ms. Allocated memory is still 155.2MB. Free memory was 98.3MB in the beginning and 95.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.42ms. Allocated memory is still 155.2MB. Free memory was 95.9MB in the beginning and 93.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 880.63ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 93.8MB in the beginning and 156.8MB in the end (delta: -63.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * TraceAbstraction took 22582.28ms. Allocated memory was 188.7MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 155.9MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 757.1MB. Max. memory is 16.1GB. * Witness Printer took 64.17ms. Allocated memory is still 1.7GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 630 locations, 74 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 22.3s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 238 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 601 IncrementalHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 238 mSDtfsCounter, 601 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=889occurred in iteration=23, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2695 NumberOfCodeBlocks, 2695 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2668 ConstructedInterpolants, 0 QuantifiedInterpolants, 2959 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 10:47:18,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6f77a7-9e1e-4a82-bc57-f225774f8530/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE