./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 8393723b 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_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/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_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro --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-8393723 [2022-11-18 20:59:15,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:59:15,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:59:15,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:59:15,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:59:15,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:59:15,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:59:15,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:59:15,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:59:15,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:59:15,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:59:15,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:59:15,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:59:15,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:59:15,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:59:15,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:59:15,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:59:15,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:59:15,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:59:15,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:59:15,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:59:15,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:59:15,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:59:15,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:59:15,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:59:15,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:59:15,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:59:15,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:59:15,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:59:15,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:59:15,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:59:15,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:59:15,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:59:15,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:59:15,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:59:15,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:59:15,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:59:15,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:59:15,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:59:15,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:59:15,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:59:15,337 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 20:59:15,367 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:59:15,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:59:15,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:59:15,368 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:59:15,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:59:15,368 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:59:15,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:59:15,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:59:15,369 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:59:15,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:59:15,370 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:59:15,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:59:15,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:59:15,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:59:15,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:59:15,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:59:15,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:59:15,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:59:15,376 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 20:59:15,376 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:59:15,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:59:15,377 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:59:15,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:59:15,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:59:15,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:59:15,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:59:15,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:59:15,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:59:15,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:59:15,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:59:15,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:59:15,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:59:15,381 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:59:15,382 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:59:15,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:59:15,382 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_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be2a0d1eee532c8ad9f827ec91fa18dbacb100bdaebd8afe9a7f9b56098458ea [2022-11-18 20:59:15,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:59:15,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:59:15,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:59:15,688 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:59:15,689 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:59:15,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c [2022-11-18 20:59:15,760 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/data/6f420f5bf/34854af14e7d459ea6dab4b003831990/FLAG9d4720105 [2022-11-18 20:59:16,210 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:59:16,210 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c [2022-11-18 20:59:16,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/data/6f420f5bf/34854af14e7d459ea6dab4b003831990/FLAG9d4720105 [2022-11-18 20:59:16,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/data/6f420f5bf/34854af14e7d459ea6dab4b003831990 [2022-11-18 20:59:16,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:59:16,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:59:16,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:59:16,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:59:16,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:59:16,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:16" (1/1) ... [2022-11-18 20:59:16,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d602b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:16, skipping insertion in model container [2022-11-18 20:59:16,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:16" (1/1) ... [2022-11-18 20:59:16,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:59:16,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:59:16,842 WARN L234 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_08069d11-6f42-44ea-8502-265edccc2958/sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c[3015,3028] [2022-11-18 20:59:16,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:59:16,855 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:59:16,886 WARN L234 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_08069d11-6f42-44ea-8502-265edccc2958/sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c[3015,3028] [2022-11-18 20:59:16,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:59:16,908 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:59:16,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:16 WrapperNode [2022-11-18 20:59:16,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:59:16,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:59:16,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:59:16,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:59:16,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:16" (1/1) ... [2022-11-18 20:59:16,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:16" (1/1) ... [2022-11-18 20:59:16,980 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 322 [2022-11-18 20:59:16,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:59:16,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:59:16,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:59:16,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:59:17,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:16" (1/1) ... [2022-11-18 20:59:17,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:16" (1/1) ... [2022-11-18 20:59:17,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:16" (1/1) ... [2022-11-18 20:59:17,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:16" (1/1) ... [2022-11-18 20:59:17,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:16" (1/1) ... [2022-11-18 20:59:17,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:16" (1/1) ... [2022-11-18 20:59:17,022 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:16" (1/1) ... [2022-11-18 20:59:17,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:16" (1/1) ... [2022-11-18 20:59:17,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:59:17,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:59:17,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:59:17,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:59:17,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:16" (1/1) ... [2022-11-18 20:59:17,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:59:17,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:17,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:17,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:59:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:59:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 20:59:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 20:59:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 20:59:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 20:59:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 20:59:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 20:59:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:59:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:59:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:59:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:59:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:59:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:59:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:59:17,133 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:59:17,288 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:59:17,290 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:59:17,904 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:59:17,917 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:59:17,917 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:59:17,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:17 BoogieIcfgContainer [2022-11-18 20:59:17,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:59:17,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:59:17,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:59:17,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:59:17,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:59:16" (1/3) ... [2022-11-18 20:59:17,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f70387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:59:17, skipping insertion in model container [2022-11-18 20:59:17,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:16" (2/3) ... [2022-11-18 20:59:17,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f70387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:59:17, skipping insertion in model container [2022-11-18 20:59:17,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:17" (3/3) ... [2022-11-18 20:59:17,940 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-subst.wvr.c [2022-11-18 20:59:17,962 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:59:17,974 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:59:17,974 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-11-18 20:59:17,974 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:59:18,122 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-18 20:59:18,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 414 places, 425 transitions, 874 flow [2022-11-18 20:59:18,465 INFO L130 PetriNetUnfolder]: 21/422 cut-off events. [2022-11-18 20:59:18,465 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 20:59:18,481 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. [2022-11-18 20:59:18,482 INFO L82 GeneralOperation]: Start removeDead. Operand has 414 places, 425 transitions, 874 flow [2022-11-18 20:59:18,502 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 390 places, 399 transitions, 816 flow [2022-11-18 20:59:18,524 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:59:18,538 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;@683b2b28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:59:18,538 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2022-11-18 20:59:18,549 INFO L130 PetriNetUnfolder]: 0/31 cut-off events. [2022-11-18 20:59:18,549 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:59:18,550 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:18,550 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] [2022-11-18 20:59:18,551 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)] === [2022-11-18 20:59:18,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:18,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1292201013, now seen corresponding path program 1 times [2022-11-18 20:59:18,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:18,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816554114] [2022-11-18 20:59:18,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:18,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:18,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:18,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:18,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816554114] [2022-11-18 20:59:18,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816554114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:18,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:18,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:18,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453807011] [2022-11-18 20:59:18,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:18,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:18,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:18,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:18,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:18,941 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-18 20:59:18,954 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) [2022-11-18 20:59:18,956 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:18,956 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-18 20:59:18,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:19,438 INFO L130 PetriNetUnfolder]: 72/1294 cut-off events. [2022-11-18 20:59:19,438 INFO L131 PetriNetUnfolder]: For 54/54 co-relation queries the response was YES. [2022-11-18 20:59:19,448 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 8385 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. [2022-11-18 20:59:19,460 INFO L137 encePairwiseOnDemand]: 415/425 looper letters, 15 selfloop transitions, 2 changer transitions 1/391 dead transitions. [2022-11-18 20:59:19,461 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 391 transitions, 834 flow [2022-11-18 20:59:19,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:19,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:19,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2022-11-18 20:59:19,488 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.956078431372549 [2022-11-18 20:59:19,489 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1219 transitions. [2022-11-18 20:59:19,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1219 transitions. [2022-11-18 20:59:19,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:19,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1219 transitions. [2022-11-18 20:59:19,506 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) [2022-11-18 20:59:19,518 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) [2022-11-18 20:59:19,519 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) [2022-11-18 20:59:19,522 INFO L175 Difference]: Start difference. First operand has 390 places, 399 transitions, 816 flow. Second operand 3 states and 1219 transitions. [2022-11-18 20:59:19,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 391 transitions, 834 flow [2022-11-18 20:59:19,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 391 transitions, 822 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-18 20:59:19,547 INFO L231 Difference]: Finished difference. Result has 385 places, 390 transitions, 790 flow [2022-11-18 20:59:19,550 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} [2022-11-18 20:59:19,554 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -5 predicate places. [2022-11-18 20:59:19,555 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 390 transitions, 790 flow [2022-11-18 20:59:19,556 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) [2022-11-18 20:59:19,556 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:19,557 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] [2022-11-18 20:59:19,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:59:19,558 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)] === [2022-11-18 20:59:19,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:19,559 INFO L85 PathProgramCache]: Analyzing trace with hash -2121524624, now seen corresponding path program 1 times [2022-11-18 20:59:19,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:19,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105176764] [2022-11-18 20:59:19,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:19,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:19,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:19,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:19,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105176764] [2022-11-18 20:59:19,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105176764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:19,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:19,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:19,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913572402] [2022-11-18 20:59:19,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:19,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:19,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:19,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:19,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:19,669 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-18 20:59:19,671 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) [2022-11-18 20:59:19,671 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:19,672 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-18 20:59:19,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:19,966 INFO L130 PetriNetUnfolder]: 46/916 cut-off events. [2022-11-18 20:59:19,967 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-11-18 20:59:19,975 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 4571 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. [2022-11-18 20:59:19,982 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 15 selfloop transitions, 2 changer transitions 0/389 dead transitions. [2022-11-18 20:59:19,982 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 389 transitions, 822 flow [2022-11-18 20:59:19,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:19,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:19,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2022-11-18 20:59:19,987 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9505882352941176 [2022-11-18 20:59:19,987 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1212 transitions. [2022-11-18 20:59:19,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1212 transitions. [2022-11-18 20:59:19,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:19,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1212 transitions. [2022-11-18 20:59:19,991 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) [2022-11-18 20:59:19,994 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) [2022-11-18 20:59:19,995 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) [2022-11-18 20:59:19,995 INFO L175 Difference]: Start difference. First operand has 385 places, 390 transitions, 790 flow. Second operand 3 states and 1212 transitions. [2022-11-18 20:59:19,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 389 transitions, 822 flow [2022-11-18 20:59:19,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 389 transitions, 818 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:59:20,004 INFO L231 Difference]: Finished difference. Result has 383 places, 389 transitions, 788 flow [2022-11-18 20:59:20,005 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} [2022-11-18 20:59:20,006 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -7 predicate places. [2022-11-18 20:59:20,006 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 389 transitions, 788 flow [2022-11-18 20:59:20,007 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) [2022-11-18 20:59:20,008 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:20,008 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] [2022-11-18 20:59:20,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:59:20,009 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)] === [2022-11-18 20:59:20,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:20,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1114256366, now seen corresponding path program 1 times [2022-11-18 20:59:20,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:20,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540318156] [2022-11-18 20:59:20,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:20,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:20,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:20,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:20,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540318156] [2022-11-18 20:59:20,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540318156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:20,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:20,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:20,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000995271] [2022-11-18 20:59:20,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:20,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:20,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:20,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:20,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:20,143 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-18 20:59:20,145 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) [2022-11-18 20:59:20,145 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:20,145 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-18 20:59:20,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:20,429 INFO L130 PetriNetUnfolder]: 60/1028 cut-off events. [2022-11-18 20:59:20,430 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2022-11-18 20:59:20,436 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 5513 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. [2022-11-18 20:59:20,443 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 15 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2022-11-18 20:59:20,443 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 388 transitions, 820 flow [2022-11-18 20:59:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:20,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:20,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2022-11-18 20:59:20,447 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9505882352941176 [2022-11-18 20:59:20,447 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1212 transitions. [2022-11-18 20:59:20,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1212 transitions. [2022-11-18 20:59:20,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:20,448 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1212 transitions. [2022-11-18 20:59:20,451 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) [2022-11-18 20:59:20,454 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) [2022-11-18 20:59:20,455 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) [2022-11-18 20:59:20,456 INFO L175 Difference]: Start difference. First operand has 383 places, 389 transitions, 788 flow. Second operand 3 states and 1212 transitions. [2022-11-18 20:59:20,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 388 transitions, 820 flow [2022-11-18 20:59:20,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 388 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:59:20,463 INFO L231 Difference]: Finished difference. Result has 382 places, 388 transitions, 786 flow [2022-11-18 20:59:20,464 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} [2022-11-18 20:59:20,465 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -8 predicate places. [2022-11-18 20:59:20,465 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 388 transitions, 786 flow [2022-11-18 20:59:20,466 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) [2022-11-18 20:59:20,466 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:20,467 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:59:20,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:59:20,467 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)] === [2022-11-18 20:59:20,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:20,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1477585456, now seen corresponding path program 1 times [2022-11-18 20:59:20,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:20,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064984237] [2022-11-18 20:59:20,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:20,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:20,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:20,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064984237] [2022-11-18 20:59:20,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064984237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:20,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:20,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:20,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42314471] [2022-11-18 20:59:20,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:20,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:20,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:20,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:20,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:20,520 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-18 20:59:20,522 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) [2022-11-18 20:59:20,522 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:20,522 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-18 20:59:20,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:20,832 INFO L130 PetriNetUnfolder]: 91/1196 cut-off events. [2022-11-18 20:59:20,832 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-18 20:59:20,841 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 7959 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. [2022-11-18 20:59:20,859 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 15 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2022-11-18 20:59:20,860 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 387 transitions, 818 flow [2022-11-18 20:59:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:20,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:20,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2022-11-18 20:59:20,864 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9505882352941176 [2022-11-18 20:59:20,864 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1212 transitions. [2022-11-18 20:59:20,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1212 transitions. [2022-11-18 20:59:20,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:20,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1212 transitions. [2022-11-18 20:59:20,873 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) [2022-11-18 20:59:20,877 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) [2022-11-18 20:59:20,878 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) [2022-11-18 20:59:20,878 INFO L175 Difference]: Start difference. First operand has 382 places, 388 transitions, 786 flow. Second operand 3 states and 1212 transitions. [2022-11-18 20:59:20,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 387 transitions, 818 flow [2022-11-18 20:59:20,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 387 transitions, 814 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:59:20,889 INFO L231 Difference]: Finished difference. Result has 381 places, 387 transitions, 784 flow [2022-11-18 20:59:20,890 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} [2022-11-18 20:59:20,896 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -9 predicate places. [2022-11-18 20:59:20,896 INFO L495 AbstractCegarLoop]: Abstraction has has 381 places, 387 transitions, 784 flow [2022-11-18 20:59:20,897 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) [2022-11-18 20:59:20,898 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:20,898 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] [2022-11-18 20:59:20,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:59:20,898 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)] === [2022-11-18 20:59:20,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:20,899 INFO L85 PathProgramCache]: Analyzing trace with hash -290034335, now seen corresponding path program 1 times [2022-11-18 20:59:20,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:20,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657291196] [2022-11-18 20:59:20,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:20,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:21,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:21,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:21,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657291196] [2022-11-18 20:59:21,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657291196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:21,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:21,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:21,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457346139] [2022-11-18 20:59:21,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:21,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:21,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:21,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:21,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:21,017 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 425 [2022-11-18 20:59:21,019 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) [2022-11-18 20:59:21,020 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:21,020 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 425 [2022-11-18 20:59:21,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:21,372 INFO L130 PetriNetUnfolder]: 88/1182 cut-off events. [2022-11-18 20:59:21,372 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-18 20:59:21,382 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 7400 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. [2022-11-18 20:59:21,392 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 18 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2022-11-18 20:59:21,393 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 386 transitions, 822 flow [2022-11-18 20:59:21,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:21,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:21,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1206 transitions. [2022-11-18 20:59:21,396 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9458823529411765 [2022-11-18 20:59:21,396 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1206 transitions. [2022-11-18 20:59:21,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1206 transitions. [2022-11-18 20:59:21,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:21,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1206 transitions. [2022-11-18 20:59:21,401 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) [2022-11-18 20:59:21,404 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) [2022-11-18 20:59:21,405 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) [2022-11-18 20:59:21,405 INFO L175 Difference]: Start difference. First operand has 381 places, 387 transitions, 784 flow. Second operand 3 states and 1206 transitions. [2022-11-18 20:59:21,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 386 transitions, 822 flow [2022-11-18 20:59:21,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 386 transitions, 818 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:59:21,420 INFO L231 Difference]: Finished difference. Result has 380 places, 386 transitions, 782 flow [2022-11-18 20:59:21,420 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} [2022-11-18 20:59:21,424 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -10 predicate places. [2022-11-18 20:59:21,424 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 386 transitions, 782 flow [2022-11-18 20:59:21,426 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) [2022-11-18 20:59:21,426 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:21,427 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] [2022-11-18 20:59:21,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:59:21,427 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)] === [2022-11-18 20:59:21,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:21,428 INFO L85 PathProgramCache]: Analyzing trace with hash -775464978, now seen corresponding path program 1 times [2022-11-18 20:59:21,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:21,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426476610] [2022-11-18 20:59:21,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:21,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:21,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:21,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:21,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426476610] [2022-11-18 20:59:21,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426476610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:21,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:21,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:21,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313476853] [2022-11-18 20:59:21,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:21,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:21,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:21,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:21,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:21,515 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 425 [2022-11-18 20:59:21,516 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) [2022-11-18 20:59:21,516 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:21,517 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 425 [2022-11-18 20:59:21,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:21,920 INFO L130 PetriNetUnfolder]: 216/1801 cut-off events. [2022-11-18 20:59:21,920 INFO L131 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2022-11-18 20:59:21,933 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. [2022-11-18 20:59:21,948 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 21 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2022-11-18 20:59:21,948 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 385 transitions, 826 flow [2022-11-18 20:59:21,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1200 transitions. [2022-11-18 20:59:21,952 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2022-11-18 20:59:21,952 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1200 transitions. [2022-11-18 20:59:21,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1200 transitions. [2022-11-18 20:59:21,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:21,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1200 transitions. [2022-11-18 20:59:21,956 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) [2022-11-18 20:59:21,960 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) [2022-11-18 20:59:21,961 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) [2022-11-18 20:59:21,961 INFO L175 Difference]: Start difference. First operand has 380 places, 386 transitions, 782 flow. Second operand 3 states and 1200 transitions. [2022-11-18 20:59:21,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 385 transitions, 826 flow [2022-11-18 20:59:21,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 385 transitions, 822 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:59:21,969 INFO L231 Difference]: Finished difference. Result has 379 places, 385 transitions, 780 flow [2022-11-18 20:59:21,970 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} [2022-11-18 20:59:21,971 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -11 predicate places. [2022-11-18 20:59:21,971 INFO L495 AbstractCegarLoop]: Abstraction has has 379 places, 385 transitions, 780 flow [2022-11-18 20:59:21,972 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) [2022-11-18 20:59:21,973 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:21,973 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] [2022-11-18 20:59:21,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:59:21,973 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)] === [2022-11-18 20:59:21,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:21,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1786093910, now seen corresponding path program 1 times [2022-11-18 20:59:21,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:21,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523323279] [2022-11-18 20:59:21,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:21,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:22,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:22,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523323279] [2022-11-18 20:59:22,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523323279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:22,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:22,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:22,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974066216] [2022-11-18 20:59:22,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:22,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:22,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:22,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:22,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:22,023 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-18 20:59:22,025 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) [2022-11-18 20:59:22,025 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:22,025 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-18 20:59:22,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:22,361 INFO L130 PetriNetUnfolder]: 100/1565 cut-off events. [2022-11-18 20:59:22,361 INFO L131 PetriNetUnfolder]: For 11/14 co-relation queries the response was YES. [2022-11-18 20:59:22,371 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. [2022-11-18 20:59:22,379 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 15 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2022-11-18 20:59:22,380 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 384 transitions, 812 flow [2022-11-18 20:59:22,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:22,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:22,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2022-11-18 20:59:22,383 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9505882352941176 [2022-11-18 20:59:22,383 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1212 transitions. [2022-11-18 20:59:22,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1212 transitions. [2022-11-18 20:59:22,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:22,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1212 transitions. [2022-11-18 20:59:22,387 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) [2022-11-18 20:59:22,389 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) [2022-11-18 20:59:22,390 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) [2022-11-18 20:59:22,391 INFO L175 Difference]: Start difference. First operand has 379 places, 385 transitions, 780 flow. Second operand 3 states and 1212 transitions. [2022-11-18 20:59:22,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 384 transitions, 812 flow [2022-11-18 20:59:22,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 384 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:59:22,398 INFO L231 Difference]: Finished difference. Result has 378 places, 384 transitions, 778 flow [2022-11-18 20:59:22,399 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} [2022-11-18 20:59:22,399 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -12 predicate places. [2022-11-18 20:59:22,400 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 384 transitions, 778 flow [2022-11-18 20:59:22,400 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) [2022-11-18 20:59:22,401 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:22,401 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] [2022-11-18 20:59:22,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:59:22,401 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)] === [2022-11-18 20:59:22,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:22,402 INFO L85 PathProgramCache]: Analyzing trace with hash 2125038968, now seen corresponding path program 1 times [2022-11-18 20:59:22,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:22,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271351567] [2022-11-18 20:59:22,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:22,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:22,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:22,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:22,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271351567] [2022-11-18 20:59:22,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271351567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:22,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:22,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:22,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151382889] [2022-11-18 20:59:22,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:22,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:22,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:22,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:22,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:22,448 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 425 [2022-11-18 20:59:22,449 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) [2022-11-18 20:59:22,450 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:22,450 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 425 [2022-11-18 20:59:22,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:22,806 INFO L130 PetriNetUnfolder]: 87/1297 cut-off events. [2022-11-18 20:59:22,806 INFO L131 PetriNetUnfolder]: For 14/15 co-relation queries the response was YES. [2022-11-18 20:59:22,816 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 8802 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. [2022-11-18 20:59:22,825 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 18 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2022-11-18 20:59:22,825 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 383 transitions, 816 flow [2022-11-18 20:59:22,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:22,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:22,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1206 transitions. [2022-11-18 20:59:22,830 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9458823529411765 [2022-11-18 20:59:22,830 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1206 transitions. [2022-11-18 20:59:22,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1206 transitions. [2022-11-18 20:59:22,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:22,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1206 transitions. [2022-11-18 20:59:22,835 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) [2022-11-18 20:59:22,838 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) [2022-11-18 20:59:22,839 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) [2022-11-18 20:59:22,839 INFO L175 Difference]: Start difference. First operand has 378 places, 384 transitions, 778 flow. Second operand 3 states and 1206 transitions. [2022-11-18 20:59:22,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 383 transitions, 816 flow [2022-11-18 20:59:22,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 383 transitions, 812 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:59:22,848 INFO L231 Difference]: Finished difference. Result has 377 places, 383 transitions, 776 flow [2022-11-18 20:59:22,849 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} [2022-11-18 20:59:22,850 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -13 predicate places. [2022-11-18 20:59:22,850 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 383 transitions, 776 flow [2022-11-18 20:59:22,851 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) [2022-11-18 20:59:22,851 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:22,851 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] [2022-11-18 20:59:22,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:59:22,852 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)] === [2022-11-18 20:59:22,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:22,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1560092372, now seen corresponding path program 1 times [2022-11-18 20:59:22,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:22,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252437634] [2022-11-18 20:59:22,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:22,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:22,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:22,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:22,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252437634] [2022-11-18 20:59:22,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252437634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:22,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:22,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:22,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134478710] [2022-11-18 20:59:22,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:22,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:22,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:22,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:22,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:22,905 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 425 [2022-11-18 20:59:22,908 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) [2022-11-18 20:59:22,908 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:22,908 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 425 [2022-11-18 20:59:22,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:23,379 INFO L130 PetriNetUnfolder]: 192/1738 cut-off events. [2022-11-18 20:59:23,379 INFO L131 PetriNetUnfolder]: For 65/65 co-relation queries the response was YES. [2022-11-18 20:59:23,396 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 13334 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. [2022-11-18 20:59:23,409 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 21 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2022-11-18 20:59:23,409 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 382 transitions, 820 flow [2022-11-18 20:59:23,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:23,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:23,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1200 transitions. [2022-11-18 20:59:23,413 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2022-11-18 20:59:23,413 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1200 transitions. [2022-11-18 20:59:23,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1200 transitions. [2022-11-18 20:59:23,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:23,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1200 transitions. [2022-11-18 20:59:23,417 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) [2022-11-18 20:59:23,420 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) [2022-11-18 20:59:23,421 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) [2022-11-18 20:59:23,421 INFO L175 Difference]: Start difference. First operand has 377 places, 383 transitions, 776 flow. Second operand 3 states and 1200 transitions. [2022-11-18 20:59:23,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 382 transitions, 820 flow [2022-11-18 20:59:23,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 382 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:59:23,429 INFO L231 Difference]: Finished difference. Result has 376 places, 382 transitions, 774 flow [2022-11-18 20:59:23,430 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} [2022-11-18 20:59:23,430 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -14 predicate places. [2022-11-18 20:59:23,431 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 382 transitions, 774 flow [2022-11-18 20:59:23,432 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) [2022-11-18 20:59:23,432 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:23,433 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] [2022-11-18 20:59:23,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:59:23,433 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-18 20:59:23,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:23,434 INFO L85 PathProgramCache]: Analyzing trace with hash 975190023, now seen corresponding path program 1 times [2022-11-18 20:59:23,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:23,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047342279] [2022-11-18 20:59:23,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:23,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:23,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:23,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:23,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047342279] [2022-11-18 20:59:23,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047342279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:23,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:23,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:23,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453889280] [2022-11-18 20:59:23,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:23,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:23,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:23,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:23,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:23,481 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-18 20:59:23,483 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) [2022-11-18 20:59:23,483 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:23,483 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-18 20:59:23,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:23,710 INFO L130 PetriNetUnfolder]: 72/1185 cut-off events. [2022-11-18 20:59:23,711 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-18 20:59:23,719 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. [2022-11-18 20:59:23,726 INFO L137 encePairwiseOnDemand]: 421/425 looper letters, 14 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2022-11-18 20:59:23,726 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 384 transitions, 812 flow [2022-11-18 20:59:23,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:23,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:23,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1221 transitions. [2022-11-18 20:59:23,729 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9576470588235294 [2022-11-18 20:59:23,729 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1221 transitions. [2022-11-18 20:59:23,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1221 transitions. [2022-11-18 20:59:23,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:23,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1221 transitions. [2022-11-18 20:59:23,733 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) [2022-11-18 20:59:23,736 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) [2022-11-18 20:59:23,737 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) [2022-11-18 20:59:23,737 INFO L175 Difference]: Start difference. First operand has 376 places, 382 transitions, 774 flow. Second operand 3 states and 1221 transitions. [2022-11-18 20:59:23,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 384 transitions, 812 flow [2022-11-18 20:59:23,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 384 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:59:23,744 INFO L231 Difference]: Finished difference. Result has 375 places, 382 transitions, 780 flow [2022-11-18 20:59:23,746 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} [2022-11-18 20:59:23,747 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-18 20:59:23,747 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 382 transitions, 780 flow [2022-11-18 20:59:23,748 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) [2022-11-18 20:59:23,748 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:23,748 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] [2022-11-18 20:59:23,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:59:23,748 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-18 20:59:23,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:23,749 INFO L85 PathProgramCache]: Analyzing trace with hash 728145348, now seen corresponding path program 1 times [2022-11-18 20:59:23,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:23,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197702886] [2022-11-18 20:59:23,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:23,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:23,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:23,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:23,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197702886] [2022-11-18 20:59:23,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197702886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:23,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:23,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:23,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323758628] [2022-11-18 20:59:23,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:23,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:23,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:23,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:23,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:23,820 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-18 20:59:23,821 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) [2022-11-18 20:59:23,821 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:23,821 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-18 20:59:23,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:24,086 INFO L130 PetriNetUnfolder]: 77/1250 cut-off events. [2022-11-18 20:59:24,087 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-18 20:59:24,098 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. [2022-11-18 20:59:24,106 INFO L137 encePairwiseOnDemand]: 419/425 looper letters, 16 selfloop transitions, 3 changer transitions 0/384 dead transitions. [2022-11-18 20:59:24,106 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 384 transitions, 824 flow [2022-11-18 20:59:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:24,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:24,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2022-11-18 20:59:24,110 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9537254901960784 [2022-11-18 20:59:24,110 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1216 transitions. [2022-11-18 20:59:24,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1216 transitions. [2022-11-18 20:59:24,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:24,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1216 transitions. [2022-11-18 20:59:24,114 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) [2022-11-18 20:59:24,116 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) [2022-11-18 20:59:24,117 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) [2022-11-18 20:59:24,117 INFO L175 Difference]: Start difference. First operand has 375 places, 382 transitions, 780 flow. Second operand 3 states and 1216 transitions. [2022-11-18 20:59:24,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 384 transitions, 824 flow [2022-11-18 20:59:24,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 384 transitions, 824 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:59:24,124 INFO L231 Difference]: Finished difference. Result has 375 places, 382 transitions, 795 flow [2022-11-18 20:59:24,125 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} [2022-11-18 20:59:24,126 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-18 20:59:24,126 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 382 transitions, 795 flow [2022-11-18 20:59:24,127 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) [2022-11-18 20:59:24,127 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:24,127 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] [2022-11-18 20:59:24,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:59:24,127 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-18 20:59:24,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:24,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1700780560, now seen corresponding path program 1 times [2022-11-18 20:59:24,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:24,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465102136] [2022-11-18 20:59:24,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:24,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:24,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:24,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:24,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465102136] [2022-11-18 20:59:24,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465102136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:24,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:24,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:24,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728394155] [2022-11-18 20:59:24,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:24,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:24,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:24,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:24,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:24,175 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-18 20:59:24,176 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) [2022-11-18 20:59:24,176 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:24,176 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-18 20:59:24,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:24,466 INFO L130 PetriNetUnfolder]: 70/1323 cut-off events. [2022-11-18 20:59:24,467 INFO L131 PetriNetUnfolder]: For 11/16 co-relation queries the response was YES. [2022-11-18 20:59:24,479 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. [2022-11-18 20:59:24,488 INFO L137 encePairwiseOnDemand]: 421/425 looper letters, 17 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2022-11-18 20:59:24,488 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 387 transitions, 848 flow [2022-11-18 20:59:24,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:24,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:24,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2022-11-18 20:59:24,491 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.96 [2022-11-18 20:59:24,492 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2022-11-18 20:59:24,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2022-11-18 20:59:24,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:24,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2022-11-18 20:59:24,496 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) [2022-11-18 20:59:24,498 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) [2022-11-18 20:59:24,499 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) [2022-11-18 20:59:24,499 INFO L175 Difference]: Start difference. First operand has 375 places, 382 transitions, 795 flow. Second operand 3 states and 1224 transitions. [2022-11-18 20:59:24,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 387 transitions, 848 flow [2022-11-18 20:59:24,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 387 transitions, 848 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:59:24,506 INFO L231 Difference]: Finished difference. Result has 376 places, 382 transitions, 805 flow [2022-11-18 20:59:24,507 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} [2022-11-18 20:59:24,508 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -14 predicate places. [2022-11-18 20:59:24,508 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 382 transitions, 805 flow [2022-11-18 20:59:24,509 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) [2022-11-18 20:59:24,509 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:24,509 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] [2022-11-18 20:59:24,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 20:59:24,510 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-18 20:59:24,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:24,510 INFO L85 PathProgramCache]: Analyzing trace with hash -757028717, now seen corresponding path program 1 times [2022-11-18 20:59:24,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:24,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68528739] [2022-11-18 20:59:24,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:24,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:24,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:24,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:24,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68528739] [2022-11-18 20:59:24,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68528739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:24,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:24,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:24,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431251560] [2022-11-18 20:59:24,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:24,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:24,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:24,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:24,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:24,556 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 425 [2022-11-18 20:59:24,557 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) [2022-11-18 20:59:24,558 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:24,558 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 425 [2022-11-18 20:59:24,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:24,802 INFO L130 PetriNetUnfolder]: 57/1093 cut-off events. [2022-11-18 20:59:24,803 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-18 20:59:24,814 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. [2022-11-18 20:59:24,822 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 13 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2022-11-18 20:59:24,822 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 383 transitions, 839 flow [2022-11-18 20:59:24,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:24,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1222 transitions. [2022-11-18 20:59:24,826 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9584313725490196 [2022-11-18 20:59:24,826 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1222 transitions. [2022-11-18 20:59:24,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1222 transitions. [2022-11-18 20:59:24,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:24,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1222 transitions. [2022-11-18 20:59:24,830 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) [2022-11-18 20:59:24,832 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) [2022-11-18 20:59:24,833 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) [2022-11-18 20:59:24,833 INFO L175 Difference]: Start difference. First operand has 376 places, 382 transitions, 805 flow. Second operand 3 states and 1222 transitions. [2022-11-18 20:59:24,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 383 transitions, 839 flow [2022-11-18 20:59:24,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 383 transitions, 839 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:59:24,841 INFO L231 Difference]: Finished difference. Result has 377 places, 381 transitions, 807 flow [2022-11-18 20:59:24,842 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} [2022-11-18 20:59:24,843 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -13 predicate places. [2022-11-18 20:59:24,843 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 381 transitions, 807 flow [2022-11-18 20:59:24,844 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) [2022-11-18 20:59:24,844 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:24,844 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] [2022-11-18 20:59:24,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 20:59:24,845 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-18 20:59:24,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:24,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1194130776, now seen corresponding path program 1 times [2022-11-18 20:59:24,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:24,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194176858] [2022-11-18 20:59:24,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:24,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:24,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:24,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:24,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194176858] [2022-11-18 20:59:24,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194176858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:24,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:24,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:24,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260733248] [2022-11-18 20:59:24,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:24,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:24,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:24,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:24,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:24,887 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 425 [2022-11-18 20:59:24,888 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) [2022-11-18 20:59:24,888 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:24,888 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 425 [2022-11-18 20:59:24,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:25,672 INFO L130 PetriNetUnfolder]: 348/4071 cut-off events. [2022-11-18 20:59:25,673 INFO L131 PetriNetUnfolder]: For 62/164 co-relation queries the response was YES. [2022-11-18 20:59:25,697 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. [2022-11-18 20:59:25,716 INFO L137 encePairwiseOnDemand]: 417/425 looper letters, 18 selfloop transitions, 4 changer transitions 0/383 dead transitions. [2022-11-18 20:59:25,716 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 383 transitions, 857 flow [2022-11-18 20:59:25,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:25,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1211 transitions. [2022-11-18 20:59:25,721 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9498039215686275 [2022-11-18 20:59:25,721 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1211 transitions. [2022-11-18 20:59:25,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1211 transitions. [2022-11-18 20:59:25,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:25,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1211 transitions. [2022-11-18 20:59:25,726 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) [2022-11-18 20:59:25,730 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) [2022-11-18 20:59:25,730 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) [2022-11-18 20:59:25,731 INFO L175 Difference]: Start difference. First operand has 377 places, 381 transitions, 807 flow. Second operand 3 states and 1211 transitions. [2022-11-18 20:59:25,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 383 transitions, 857 flow [2022-11-18 20:59:25,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 383 transitions, 853 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:59:25,740 INFO L231 Difference]: Finished difference. Result has 374 places, 381 transitions, 823 flow [2022-11-18 20:59:25,741 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} [2022-11-18 20:59:25,742 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -16 predicate places. [2022-11-18 20:59:25,742 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 381 transitions, 823 flow [2022-11-18 20:59:25,743 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) [2022-11-18 20:59:25,743 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:25,743 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] [2022-11-18 20:59:25,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 20:59:25,743 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-18 20:59:25,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:25,745 INFO L85 PathProgramCache]: Analyzing trace with hash -223492817, now seen corresponding path program 1 times [2022-11-18 20:59:25,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:25,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024030725] [2022-11-18 20:59:25,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:25,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:25,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:25,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024030725] [2022-11-18 20:59:25,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024030725] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:25,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:25,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:25,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646085371] [2022-11-18 20:59:25,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:25,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:25,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:25,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:25,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:25,808 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-18 20:59:25,809 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) [2022-11-18 20:59:25,810 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:25,810 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-18 20:59:25,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:26,530 INFO L130 PetriNetUnfolder]: 169/3078 cut-off events. [2022-11-18 20:59:26,530 INFO L131 PetriNetUnfolder]: For 31/36 co-relation queries the response was YES. [2022-11-18 20:59:26,560 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 28653 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. [2022-11-18 20:59:26,577 INFO L137 encePairwiseOnDemand]: 419/425 looper letters, 19 selfloop transitions, 3 changer transitions 0/386 dead transitions. [2022-11-18 20:59:26,577 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 386 transitions, 882 flow [2022-11-18 20:59:26,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:26,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:26,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2022-11-18 20:59:26,580 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.956078431372549 [2022-11-18 20:59:26,580 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1219 transitions. [2022-11-18 20:59:26,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1219 transitions. [2022-11-18 20:59:26,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:26,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1219 transitions. [2022-11-18 20:59:26,584 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) [2022-11-18 20:59:26,586 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) [2022-11-18 20:59:26,587 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) [2022-11-18 20:59:26,587 INFO L175 Difference]: Start difference. First operand has 374 places, 381 transitions, 823 flow. Second operand 3 states and 1219 transitions. [2022-11-18 20:59:26,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 386 transitions, 882 flow [2022-11-18 20:59:26,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 386 transitions, 882 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:59:26,595 INFO L231 Difference]: Finished difference. Result has 374 places, 381 transitions, 838 flow [2022-11-18 20:59:26,596 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} [2022-11-18 20:59:26,596 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -16 predicate places. [2022-11-18 20:59:26,596 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 381 transitions, 838 flow [2022-11-18 20:59:26,597 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) [2022-11-18 20:59:26,597 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:26,597 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] [2022-11-18 20:59:26,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 20:59:26,598 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-18 20:59:26,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:26,598 INFO L85 PathProgramCache]: Analyzing trace with hash -874210308, now seen corresponding path program 1 times [2022-11-18 20:59:26,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:26,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077451606] [2022-11-18 20:59:26,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:26,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:26,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:26,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:26,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077451606] [2022-11-18 20:59:26,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077451606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:26,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:26,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:26,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818119833] [2022-11-18 20:59:26,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:26,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:26,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:26,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:26,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:26,645 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-18 20:59:26,646 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) [2022-11-18 20:59:26,646 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:26,646 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-18 20:59:26,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:27,227 INFO L130 PetriNetUnfolder]: 114/2645 cut-off events. [2022-11-18 20:59:27,227 INFO L131 PetriNetUnfolder]: For 27/30 co-relation queries the response was YES. [2022-11-18 20:59:27,259 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 23375 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. [2022-11-18 20:59:27,273 INFO L137 encePairwiseOnDemand]: 421/425 looper letters, 17 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2022-11-18 20:59:27,273 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 386 transitions, 891 flow [2022-11-18 20:59:27,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2022-11-18 20:59:27,276 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.96 [2022-11-18 20:59:27,276 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2022-11-18 20:59:27,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2022-11-18 20:59:27,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:27,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2022-11-18 20:59:27,280 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) [2022-11-18 20:59:27,282 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) [2022-11-18 20:59:27,283 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) [2022-11-18 20:59:27,283 INFO L175 Difference]: Start difference. First operand has 374 places, 381 transitions, 838 flow. Second operand 3 states and 1224 transitions. [2022-11-18 20:59:27,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 386 transitions, 891 flow [2022-11-18 20:59:27,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 386 transitions, 891 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:59:27,291 INFO L231 Difference]: Finished difference. Result has 375 places, 381 transitions, 848 flow [2022-11-18 20:59:27,291 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} [2022-11-18 20:59:27,292 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-18 20:59:27,292 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 381 transitions, 848 flow [2022-11-18 20:59:27,292 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) [2022-11-18 20:59:27,292 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:27,293 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] [2022-11-18 20:59:27,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 20:59:27,293 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-18 20:59:27,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:27,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1078542862, now seen corresponding path program 1 times [2022-11-18 20:59:27,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:27,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874323012] [2022-11-18 20:59:27,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:27,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:27,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:27,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:27,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874323012] [2022-11-18 20:59:27,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874323012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:27,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:27,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:27,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808369962] [2022-11-18 20:59:27,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:27,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:27,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:27,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:27,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:27,339 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 425 [2022-11-18 20:59:27,340 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) [2022-11-18 20:59:27,340 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:27,340 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 425 [2022-11-18 20:59:27,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:27,943 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]) [2022-11-18 20:59:27,944 INFO L383 tUnfolder$Statistics]: this new event has 207 ancestors and is cut-off event [2022-11-18 20:59:27,944 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-18 20:59:27,944 INFO L386 tUnfolder$Statistics]: existing Event has 171 ancestors and is cut-off event [2022-11-18 20:59:27,944 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-18 20:59:27,976 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1176] thread1EXIT-->L78-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem43#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][230], [Black: 477#true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 86#thread3ENTRYtrue, Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 146#L50-39true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 169#L78-7true, Black: 472#true]) [2022-11-18 20:59:27,976 INFO L383 tUnfolder$Statistics]: this new event has 171 ancestors and is not cut-off event [2022-11-18 20:59:27,977 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is not cut-off event [2022-11-18 20:59:27,977 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is not cut-off event [2022-11-18 20:59:27,977 INFO L386 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-11-18 20:59:27,977 INFO L381 tUnfolder$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]) [2022-11-18 20:59:27,977 INFO L383 tUnfolder$Statistics]: this new event has 172 ancestors and is cut-off event [2022-11-18 20:59:27,977 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-18 20:59:27,977 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-18 20:59:27,978 INFO L386 tUnfolder$Statistics]: existing Event has 208 ancestors and is cut-off event [2022-11-18 20:59:27,982 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1176] thread1EXIT-->L78-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem43#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][286], [Black: 477#true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 86#thread3ENTRYtrue, Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 489#(= |#race~result_10~0| |thread2Thread1of1ForFork2_#t~nondet12#1|), 169#L78-7true, 98#L50-41true, Black: 472#true]) [2022-11-18 20:59:27,983 INFO L383 tUnfolder$Statistics]: this new event has 173 ancestors and is cut-off event [2022-11-18 20:59:27,983 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-18 20:59:27,983 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-18 20:59:27,983 INFO L386 tUnfolder$Statistics]: existing Event has 209 ancestors and is cut-off event [2022-11-18 20:59:28,000 INFO L381 tUnfolder$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]) [2022-11-18 20:59:28,000 INFO L383 tUnfolder$Statistics]: this new event has 179 ancestors and is cut-off event [2022-11-18 20:59:28,000 INFO L386 tUnfolder$Statistics]: existing Event has 187 ancestors and is cut-off event [2022-11-18 20:59:28,000 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-18 20:59:28,001 INFO L386 tUnfolder$Statistics]: existing Event has 187 ancestors and is cut-off event [2022-11-18 20:59:28,056 INFO L130 PetriNetUnfolder]: 227/3961 cut-off events. [2022-11-18 20:59:28,057 INFO L131 PetriNetUnfolder]: For 54/111 co-relation queries the response was YES. [2022-11-18 20:59:28,085 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 38631 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. [2022-11-18 20:59:28,103 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 16 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2022-11-18 20:59:28,104 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 382 transitions, 888 flow [2022-11-18 20:59:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:28,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:28,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2022-11-18 20:59:28,117 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9537254901960784 [2022-11-18 20:59:28,118 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1216 transitions. [2022-11-18 20:59:28,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1216 transitions. [2022-11-18 20:59:28,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:28,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1216 transitions. [2022-11-18 20:59:28,128 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) [2022-11-18 20:59:28,134 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) [2022-11-18 20:59:28,135 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) [2022-11-18 20:59:28,135 INFO L175 Difference]: Start difference. First operand has 375 places, 381 transitions, 848 flow. Second operand 3 states and 1216 transitions. [2022-11-18 20:59:28,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 382 transitions, 888 flow [2022-11-18 20:59:28,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 382 transitions, 888 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:59:28,145 INFO L231 Difference]: Finished difference. Result has 376 places, 380 transitions, 850 flow [2022-11-18 20:59:28,146 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} [2022-11-18 20:59:28,146 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -14 predicate places. [2022-11-18 20:59:28,146 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 380 transitions, 850 flow [2022-11-18 20:59:28,147 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) [2022-11-18 20:59:28,147 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:28,147 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] [2022-11-18 20:59:28,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 20:59:28,147 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-18 20:59:28,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:28,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1697516319, now seen corresponding path program 1 times [2022-11-18 20:59:28,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:28,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153997604] [2022-11-18 20:59:28,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:28,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:28,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:28,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:28,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153997604] [2022-11-18 20:59:28,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153997604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:28,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:28,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:28,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912243392] [2022-11-18 20:59:28,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:28,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:28,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:28,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:28,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:28,197 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-18 20:59:28,198 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) [2022-11-18 20:59:28,198 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:28,198 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-18 20:59:28,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:28,846 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][351], [Black: 477#true, 493#(= |#race~filename_4~0| 0), 299#L56-24true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 484#(= |#race~filename_1~0| 0), 465#(= 0 |#race~filename_is_null_2~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 207#L79-7true, Black: 472#true]) [2022-11-18 20:59:28,846 INFO L383 tUnfolder$Statistics]: this new event has 202 ancestors and is cut-off event [2022-11-18 20:59:28,846 INFO L386 tUnfolder$Statistics]: existing Event has 238 ancestors and is cut-off event [2022-11-18 20:59:28,846 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-18 20:59:28,846 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-18 20:59:28,846 INFO L381 tUnfolder$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]) [2022-11-18 20:59:28,847 INFO L383 tUnfolder$Statistics]: this new event has 203 ancestors and is cut-off event [2022-11-18 20:59:28,847 INFO L386 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-11-18 20:59:28,847 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-18 20:59:28,847 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-18 20:59:28,887 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][351], [Black: 477#true, 493#(= |#race~filename_4~0| 0), 299#L56-24true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 207#L79-7true, Black: 472#true]) [2022-11-18 20:59:28,887 INFO L383 tUnfolder$Statistics]: this new event has 202 ancestors and is not cut-off event [2022-11-18 20:59:28,887 INFO L386 tUnfolder$Statistics]: existing Event has 238 ancestors and is not cut-off event [2022-11-18 20:59:28,887 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is not cut-off event [2022-11-18 20:59:28,888 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is not cut-off event [2022-11-18 20:59:28,888 INFO L386 tUnfolder$Statistics]: existing Event has 202 ancestors and is not cut-off event [2022-11-18 20:59:28,889 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][351], [Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 309#L56-25true, 207#L79-7true, Black: 472#true]) [2022-11-18 20:59:28,889 INFO L383 tUnfolder$Statistics]: this new event has 203 ancestors and is cut-off event [2022-11-18 20:59:28,889 INFO L386 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-11-18 20:59:28,889 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-18 20:59:28,890 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-18 20:59:28,890 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is cut-off event [2022-11-18 20:59:28,943 INFO L130 PetriNetUnfolder]: 126/3520 cut-off events. [2022-11-18 20:59:28,944 INFO L131 PetriNetUnfolder]: For 63/81 co-relation queries the response was YES. [2022-11-18 20:59:28,986 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 31693 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. [2022-11-18 20:59:29,000 INFO L137 encePairwiseOnDemand]: 421/425 looper letters, 17 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2022-11-18 20:59:29,000 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 385 transitions, 903 flow [2022-11-18 20:59:29,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:29,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:29,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2022-11-18 20:59:29,004 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.96 [2022-11-18 20:59:29,004 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2022-11-18 20:59:29,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2022-11-18 20:59:29,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:29,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2022-11-18 20:59:29,008 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) [2022-11-18 20:59:29,011 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) [2022-11-18 20:59:29,012 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) [2022-11-18 20:59:29,012 INFO L175 Difference]: Start difference. First operand has 376 places, 380 transitions, 850 flow. Second operand 3 states and 1224 transitions. [2022-11-18 20:59:29,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 385 transitions, 903 flow [2022-11-18 20:59:29,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 385 transitions, 899 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:59:29,021 INFO L231 Difference]: Finished difference. Result has 375 places, 380 transitions, 856 flow [2022-11-18 20:59:29,022 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} [2022-11-18 20:59:29,022 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-18 20:59:29,023 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 380 transitions, 856 flow [2022-11-18 20:59:29,023 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) [2022-11-18 20:59:29,023 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:29,024 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] [2022-11-18 20:59:29,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 20:59:29,024 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-18 20:59:29,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:29,025 INFO L85 PathProgramCache]: Analyzing trace with hash 844651363, now seen corresponding path program 1 times [2022-11-18 20:59:29,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:29,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012195482] [2022-11-18 20:59:29,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:29,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:29,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:29,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012195482] [2022-11-18 20:59:29,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012195482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:29,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:29,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:29,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48286266] [2022-11-18 20:59:29,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:29,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:29,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:29,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:29,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:29,076 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 425 [2022-11-18 20:59:29,077 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) [2022-11-18 20:59:29,078 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:29,078 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 425 [2022-11-18 20:59:29,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:30,466 INFO L130 PetriNetUnfolder]: 454/7734 cut-off events. [2022-11-18 20:59:30,466 INFO L131 PetriNetUnfolder]: For 145/157 co-relation queries the response was YES. [2022-11-18 20:59:30,522 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 91624 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. [2022-11-18 20:59:30,544 INFO L137 encePairwiseOnDemand]: 417/425 looper letters, 20 selfloop transitions, 4 changer transitions 0/384 dead transitions. [2022-11-18 20:59:30,544 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 384 transitions, 916 flow [2022-11-18 20:59:30,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:30,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:30,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2022-11-18 20:59:30,548 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9513725490196079 [2022-11-18 20:59:30,549 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1213 transitions. [2022-11-18 20:59:30,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1213 transitions. [2022-11-18 20:59:30,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:30,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1213 transitions. [2022-11-18 20:59:30,553 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) [2022-11-18 20:59:30,556 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) [2022-11-18 20:59:30,556 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) [2022-11-18 20:59:30,557 INFO L175 Difference]: Start difference. First operand has 375 places, 380 transitions, 856 flow. Second operand 3 states and 1213 transitions. [2022-11-18 20:59:30,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 384 transitions, 916 flow [2022-11-18 20:59:30,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 384 transitions, 916 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:59:30,564 INFO L231 Difference]: Finished difference. Result has 374 places, 380 transitions, 876 flow [2022-11-18 20:59:30,564 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} [2022-11-18 20:59:30,565 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -16 predicate places. [2022-11-18 20:59:30,565 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 380 transitions, 876 flow [2022-11-18 20:59:30,566 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) [2022-11-18 20:59:30,566 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:30,566 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] [2022-11-18 20:59:30,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 20:59:30,566 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)] === [2022-11-18 20:59:30,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:30,567 INFO L85 PathProgramCache]: Analyzing trace with hash 2118527559, now seen corresponding path program 1 times [2022-11-18 20:59:30,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:30,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844715433] [2022-11-18 20:59:30,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:30,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:31,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:31,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844715433] [2022-11-18 20:59:31,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844715433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:31,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:31,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:59:31,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871472736] [2022-11-18 20:59:31,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:31,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:59:31,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:31,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:59:31,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:59:31,027 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 425 [2022-11-18 20:59:31,029 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) [2022-11-18 20:59:31,030 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:31,030 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 425 [2022-11-18 20:59:31,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:31,815 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]) [2022-11-18 20:59:31,816 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-18 20:59:31,816 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-18 20:59:31,816 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-18 20:59:31,816 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-18 20:59:31,833 INFO L381 tUnfolder$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]) [2022-11-18 20:59:31,834 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-18 20:59:31,834 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is cut-off event [2022-11-18 20:59:31,834 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:31,834 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:31,834 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]) [2022-11-18 20:59:31,834 INFO L383 tUnfolder$Statistics]: this new event has 231 ancestors and is cut-off event [2022-11-18 20:59:31,834 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is cut-off event [2022-11-18 20:59:31,834 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:31,835 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-18 20:59:31,835 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:31,837 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]) [2022-11-18 20:59:31,837 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-18 20:59:31,837 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is cut-off event [2022-11-18 20:59:31,837 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:31,837 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-18 20:59:31,838 INFO L386 tUnfolder$Statistics]: existing Event has 231 ancestors and is cut-off event [2022-11-18 20:59:31,838 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:31,847 INFO L381 tUnfolder$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]) [2022-11-18 20:59:31,847 INFO L383 tUnfolder$Statistics]: this new event has 223 ancestors and is not cut-off event [2022-11-18 20:59:31,847 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is not cut-off event [2022-11-18 20:59:31,847 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-18 20:59:31,847 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-18 20:59:31,847 INFO L386 tUnfolder$Statistics]: existing Event has 231 ancestors and is not cut-off event [2022-11-18 20:59:31,847 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-18 20:59:31,848 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-18 20:59:31,869 INFO L130 PetriNetUnfolder]: 123/3674 cut-off events. [2022-11-18 20:59:31,869 INFO L131 PetriNetUnfolder]: For 7/111 co-relation queries the response was YES. [2022-11-18 20:59:31,918 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 35178 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. [2022-11-18 20:59:31,930 INFO L137 encePairwiseOnDemand]: 420/425 looper letters, 23 selfloop transitions, 4 changer transitions 0/379 dead transitions. [2022-11-18 20:59:31,931 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 379 transitions, 928 flow [2022-11-18 20:59:31,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:59:31,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:59:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2344 transitions. [2022-11-18 20:59:31,937 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9192156862745098 [2022-11-18 20:59:31,937 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2344 transitions. [2022-11-18 20:59:31,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2344 transitions. [2022-11-18 20:59:31,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:31,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2344 transitions. [2022-11-18 20:59:31,945 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) [2022-11-18 20:59:31,950 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) [2022-11-18 20:59:31,952 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) [2022-11-18 20:59:31,952 INFO L175 Difference]: Start difference. First operand has 374 places, 380 transitions, 876 flow. Second operand 6 states and 2344 transitions. [2022-11-18 20:59:31,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 379 transitions, 928 flow [2022-11-18 20:59:31,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 379 transitions, 928 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:59:31,959 INFO L231 Difference]: Finished difference. Result has 378 places, 379 transitions, 882 flow [2022-11-18 20:59:31,960 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} [2022-11-18 20:59:31,961 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -12 predicate places. [2022-11-18 20:59:31,961 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 379 transitions, 882 flow [2022-11-18 20:59:31,962 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) [2022-11-18 20:59:31,962 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:31,962 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] [2022-11-18 20:59:31,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 20:59:31,963 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-18 20:59:31,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:31,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1276407302, now seen corresponding path program 1 times [2022-11-18 20:59:31,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:31,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240903070] [2022-11-18 20:59:31,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:31,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:32,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:32,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240903070] [2022-11-18 20:59:32,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240903070] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:32,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:32,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:32,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286219379] [2022-11-18 20:59:32,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:32,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:32,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:32,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:32,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:32,025 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-18 20:59:32,026 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) [2022-11-18 20:59:32,026 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:32,026 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-18 20:59:32,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:33,092 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]) [2022-11-18 20:59:33,092 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-18 20:59:33,092 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-18 20:59:33,093 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-18 20:59:33,093 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-18 20:59:33,198 INFO L130 PetriNetUnfolder]: 240/6026 cut-off events. [2022-11-18 20:59:33,198 INFO L131 PetriNetUnfolder]: For 93/99 co-relation queries the response was YES. [2022-11-18 20:59:33,267 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 64697 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. [2022-11-18 20:59:33,285 INFO L137 encePairwiseOnDemand]: 421/425 looper letters, 16 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2022-11-18 20:59:33,285 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 383 transitions, 930 flow [2022-11-18 20:59:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:33,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1223 transitions. [2022-11-18 20:59:33,289 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9592156862745098 [2022-11-18 20:59:33,289 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1223 transitions. [2022-11-18 20:59:33,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1223 transitions. [2022-11-18 20:59:33,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:33,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1223 transitions. [2022-11-18 20:59:33,293 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) [2022-11-18 20:59:33,296 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) [2022-11-18 20:59:33,297 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) [2022-11-18 20:59:33,297 INFO L175 Difference]: Start difference. First operand has 378 places, 379 transitions, 882 flow. Second operand 3 states and 1223 transitions. [2022-11-18 20:59:33,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 383 transitions, 930 flow [2022-11-18 20:59:33,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 383 transitions, 923 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:59:33,304 INFO L231 Difference]: Finished difference. Result has 375 places, 379 transitions, 885 flow [2022-11-18 20:59:33,305 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} [2022-11-18 20:59:33,305 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-18 20:59:33,306 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 379 transitions, 885 flow [2022-11-18 20:59:33,306 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) [2022-11-18 20:59:33,306 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:33,306 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] [2022-11-18 20:59:33,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 20:59:33,307 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-18 20:59:33,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:33,307 INFO L85 PathProgramCache]: Analyzing trace with hash 54763078, now seen corresponding path program 1 times [2022-11-18 20:59:33,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:33,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115768950] [2022-11-18 20:59:33,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:33,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:33,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:33,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:33,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115768950] [2022-11-18 20:59:33,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115768950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:33,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:33,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:33,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584020835] [2022-11-18 20:59:33,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:33,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:33,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:33,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:33,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:33,366 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 425 [2022-11-18 20:59:33,367 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) [2022-11-18 20:59:33,367 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:33,367 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 425 [2022-11-18 20:59:33,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:34,485 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1108] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][217], [75#L56-39true, Black: 477#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 491#true, 465#(= 0 |#race~filename_is_null_2~0|), 508#true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 513#true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 482#true, 207#L79-7true, Black: 472#true]) [2022-11-18 20:59:34,486 INFO L383 tUnfolder$Statistics]: this new event has 177 ancestors and is not cut-off event [2022-11-18 20:59:34,486 INFO L386 tUnfolder$Statistics]: existing Event has 185 ancestors and is not cut-off event [2022-11-18 20:59:34,486 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is not cut-off event [2022-11-18 20:59:34,486 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is not cut-off event [2022-11-18 20:59:34,596 INFO L381 tUnfolder$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]) [2022-11-18 20:59:34,596 INFO L383 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,596 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-18 20:59:34,596 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,596 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-18 20:59:34,660 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]) [2022-11-18 20:59:34,660 INFO L383 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,660 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-18 20:59:34,660 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,661 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-18 20:59:34,661 INFO L381 tUnfolder$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]) [2022-11-18 20:59:34,661 INFO L383 tUnfolder$Statistics]: this new event has 242 ancestors and is cut-off event [2022-11-18 20:59:34,661 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-18 20:59:34,661 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-18 20:59:34,661 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-18 20:59:34,662 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]) [2022-11-18 20:59:34,662 INFO L383 tUnfolder$Statistics]: this new event has 243 ancestors and is cut-off event [2022-11-18 20:59:34,662 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-18 20:59:34,662 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-18 20:59:34,662 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-18 20:59:34,665 INFO L381 tUnfolder$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]) [2022-11-18 20:59:34,665 INFO L383 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,666 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-18 20:59:34,666 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,666 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,666 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-18 20:59:34,666 INFO L381 tUnfolder$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]) [2022-11-18 20:59:34,666 INFO L383 tUnfolder$Statistics]: this new event has 233 ancestors and is cut-off event [2022-11-18 20:59:34,667 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-18 20:59:34,667 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,667 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-18 20:59:34,667 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,667 INFO L381 tUnfolder$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]) [2022-11-18 20:59:34,667 INFO L383 tUnfolder$Statistics]: this new event has 269 ancestors and is cut-off event [2022-11-18 20:59:34,667 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-18 20:59:34,668 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,668 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,668 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,668 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-18 20:59:34,686 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]) [2022-11-18 20:59:34,686 INFO L383 tUnfolder$Statistics]: this new event has 249 ancestors and is cut-off event [2022-11-18 20:59:34,686 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,686 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,686 INFO L386 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-11-18 20:59:34,688 INFO L381 tUnfolder$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]) [2022-11-18 20:59:34,688 INFO L383 tUnfolder$Statistics]: this new event has 233 ancestors and is not cut-off event [2022-11-18 20:59:34,688 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is not cut-off event [2022-11-18 20:59:34,688 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is not cut-off event [2022-11-18 20:59:34,688 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is not cut-off event [2022-11-18 20:59:34,688 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is not cut-off event [2022-11-18 20:59:34,688 INFO L386 tUnfolder$Statistics]: existing Event has 269 ancestors and is not cut-off event [2022-11-18 20:59:34,688 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is not cut-off event [2022-11-18 20:59:34,689 INFO L381 tUnfolder$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]) [2022-11-18 20:59:34,689 INFO L383 tUnfolder$Statistics]: this new event has 234 ancestors and is cut-off event [2022-11-18 20:59:34,689 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-18 20:59:34,689 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-18 20:59:34,689 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-18 20:59:34,689 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-18 20:59:34,691 INFO L381 tUnfolder$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]) [2022-11-18 20:59:34,691 INFO L383 tUnfolder$Statistics]: this new event has 235 ancestors and is cut-off event [2022-11-18 20:59:34,691 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-18 20:59:34,691 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-18 20:59:34,691 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-18 20:59:34,691 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-18 20:59:34,696 INFO L381 tUnfolder$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]) [2022-11-18 20:59:34,696 INFO L383 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,697 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,697 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-18 20:59:34,697 INFO L386 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-11-18 20:59:34,697 INFO L386 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-11-18 20:59:34,702 INFO L130 PetriNetUnfolder]: 395/5117 cut-off events. [2022-11-18 20:59:34,702 INFO L131 PetriNetUnfolder]: For 280/329 co-relation queries the response was YES. [2022-11-18 20:59:34,733 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 55331 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. [2022-11-18 20:59:34,743 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 15 selfloop transitions, 2 changer transitions 0/380 dead transitions. [2022-11-18 20:59:34,743 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 380 transitions, 923 flow [2022-11-18 20:59:34,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:34,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:34,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1215 transitions. [2022-11-18 20:59:34,746 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9529411764705882 [2022-11-18 20:59:34,747 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1215 transitions. [2022-11-18 20:59:34,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1215 transitions. [2022-11-18 20:59:34,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:34,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1215 transitions. [2022-11-18 20:59:34,750 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) [2022-11-18 20:59:34,753 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) [2022-11-18 20:59:34,754 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) [2022-11-18 20:59:34,754 INFO L175 Difference]: Start difference. First operand has 375 places, 379 transitions, 885 flow. Second operand 3 states and 1215 transitions. [2022-11-18 20:59:34,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 380 transitions, 923 flow [2022-11-18 20:59:34,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 380 transitions, 923 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:59:34,762 INFO L231 Difference]: Finished difference. Result has 376 places, 378 transitions, 887 flow [2022-11-18 20:59:34,762 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} [2022-11-18 20:59:34,763 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -14 predicate places. [2022-11-18 20:59:34,763 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 378 transitions, 887 flow [2022-11-18 20:59:34,764 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) [2022-11-18 20:59:34,764 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:34,764 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] [2022-11-18 20:59:34,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-18 20:59:34,765 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)] === [2022-11-18 20:59:34,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:34,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1682185642, now seen corresponding path program 1 times [2022-11-18 20:59:34,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:34,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536502669] [2022-11-18 20:59:34,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:34,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:35,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:35,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:35,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536502669] [2022-11-18 20:59:35,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536502669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:35,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:35,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:59:35,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555303789] [2022-11-18 20:59:35,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:35,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:59:35,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:35,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:59:35,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:59:35,235 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 425 [2022-11-18 20:59:35,237 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) [2022-11-18 20:59:35,238 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:35,238 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 425 [2022-11-18 20:59:35,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:36,049 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]) [2022-11-18 20:59:36,050 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-18 20:59:36,050 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-18 20:59:36,050 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-18 20:59:36,050 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-18 20:59:36,080 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]) [2022-11-18 20:59:36,080 INFO L383 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-11-18 20:59:36,080 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-18 20:59:36,080 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-18 20:59:36,080 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:36,081 INFO L381 tUnfolder$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]) [2022-11-18 20:59:36,081 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is cut-off event [2022-11-18 20:59:36,081 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-18 20:59:36,081 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-18 20:59:36,081 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-18 20:59:36,081 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:36,081 INFO L381 tUnfolder$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]) [2022-11-18 20:59:36,081 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-18 20:59:36,082 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-18 20:59:36,082 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-18 20:59:36,082 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:36,082 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-18 20:59:36,082 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:36,090 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]) [2022-11-18 20:59:36,091 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-18 20:59:36,091 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is not cut-off event [2022-11-18 20:59:36,091 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-18 20:59:36,091 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-18 20:59:36,091 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-18 20:59:36,091 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-18 20:59:36,091 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-18 20:59:36,095 INFO L130 PetriNetUnfolder]: 133/3974 cut-off events. [2022-11-18 20:59:36,095 INFO L131 PetriNetUnfolder]: For 7/106 co-relation queries the response was YES. [2022-11-18 20:59:36,141 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 38449 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. [2022-11-18 20:59:36,150 INFO L137 encePairwiseOnDemand]: 420/425 looper letters, 22 selfloop transitions, 4 changer transitions 0/377 dead transitions. [2022-11-18 20:59:36,151 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 377 transitions, 937 flow [2022-11-18 20:59:36,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:59:36,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:59:36,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2343 transitions. [2022-11-18 20:59:36,155 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9188235294117647 [2022-11-18 20:59:36,156 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2343 transitions. [2022-11-18 20:59:36,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2343 transitions. [2022-11-18 20:59:36,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:36,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2343 transitions. [2022-11-18 20:59:36,162 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) [2022-11-18 20:59:36,166 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) [2022-11-18 20:59:36,167 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) [2022-11-18 20:59:36,167 INFO L175 Difference]: Start difference. First operand has 376 places, 378 transitions, 887 flow. Second operand 6 states and 2343 transitions. [2022-11-18 20:59:36,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 377 transitions, 937 flow [2022-11-18 20:59:36,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 377 transitions, 933 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:59:36,179 INFO L231 Difference]: Finished difference. Result has 378 places, 377 transitions, 889 flow [2022-11-18 20:59:36,180 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} [2022-11-18 20:59:36,180 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -12 predicate places. [2022-11-18 20:59:36,180 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 377 transitions, 889 flow [2022-11-18 20:59:36,181 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) [2022-11-18 20:59:36,181 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:36,182 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] [2022-11-18 20:59:36,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-18 20:59:36,182 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)] === [2022-11-18 20:59:36,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:36,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1649421895, now seen corresponding path program 1 times [2022-11-18 20:59:36,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:36,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617180759] [2022-11-18 20:59:36,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:36,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:36,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:36,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:36,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617180759] [2022-11-18 20:59:36,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617180759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:36,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:36,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:59:36,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981680929] [2022-11-18 20:59:36,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:36,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:59:36,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:36,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:59:36,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:59:36,712 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 425 [2022-11-18 20:59:36,714 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) [2022-11-18 20:59:36,714 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:36,714 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 425 [2022-11-18 20:59:36,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:37,552 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]) [2022-11-18 20:59:37,552 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-18 20:59:37,552 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-18 20:59:37,552 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-18 20:59:37,552 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-18 20:59:37,590 INFO L381 tUnfolder$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]) [2022-11-18 20:59:37,590 INFO L383 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-11-18 20:59:37,590 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:37,590 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-18 20:59:37,590 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-18 20:59:37,591 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]) [2022-11-18 20:59:37,591 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is cut-off event [2022-11-18 20:59:37,591 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:37,591 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-18 20:59:37,591 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-18 20:59:37,591 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-18 20:59:37,591 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]) [2022-11-18 20:59:37,592 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-18 20:59:37,592 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:37,592 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-18 20:59:37,592 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-18 20:59:37,592 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:37,592 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-18 20:59:37,601 INFO L381 tUnfolder$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]) [2022-11-18 20:59:37,601 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-18 20:59:37,602 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-18 20:59:37,602 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is not cut-off event [2022-11-18 20:59:37,602 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-18 20:59:37,602 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-18 20:59:37,602 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-18 20:59:37,602 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-18 20:59:37,606 INFO L130 PetriNetUnfolder]: 133/3965 cut-off events. [2022-11-18 20:59:37,606 INFO L131 PetriNetUnfolder]: For 10/106 co-relation queries the response was YES. [2022-11-18 20:59:37,633 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 38345 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. [2022-11-18 20:59:37,640 INFO L137 encePairwiseOnDemand]: 420/425 looper letters, 21 selfloop transitions, 4 changer transitions 0/376 dead transitions. [2022-11-18 20:59:37,641 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 376 transitions, 937 flow [2022-11-18 20:59:37,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:59:37,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:59:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2342 transitions. [2022-11-18 20:59:37,647 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9184313725490196 [2022-11-18 20:59:37,647 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2342 transitions. [2022-11-18 20:59:37,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2342 transitions. [2022-11-18 20:59:37,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:37,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2342 transitions. [2022-11-18 20:59:37,655 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) [2022-11-18 20:59:37,660 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) [2022-11-18 20:59:37,662 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) [2022-11-18 20:59:37,662 INFO L175 Difference]: Start difference. First operand has 378 places, 377 transitions, 889 flow. Second operand 6 states and 2342 transitions. [2022-11-18 20:59:37,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 376 transitions, 937 flow [2022-11-18 20:59:37,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 376 transitions, 930 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:59:37,671 INFO L231 Difference]: Finished difference. Result has 378 places, 376 transitions, 888 flow [2022-11-18 20:59:37,672 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} [2022-11-18 20:59:37,672 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -12 predicate places. [2022-11-18 20:59:37,673 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 376 transitions, 888 flow [2022-11-18 20:59:37,674 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) [2022-11-18 20:59:37,674 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:37,674 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] [2022-11-18 20:59:37,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-18 20:59:37,675 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)] === [2022-11-18 20:59:37,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:37,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1224021667, now seen corresponding path program 1 times [2022-11-18 20:59:37,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:37,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64252094] [2022-11-18 20:59:37,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:37,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:37,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:37,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:37,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64252094] [2022-11-18 20:59:37,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64252094] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:37,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:37,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:37,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71229402] [2022-11-18 20:59:37,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:37,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:37,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:37,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:37,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:37,769 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 425 [2022-11-18 20:59:37,770 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) [2022-11-18 20:59:37,771 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:37,771 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 425 [2022-11-18 20:59:37,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:38,747 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]) [2022-11-18 20:59:38,748 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-18 20:59:38,748 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:38,748 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-18 20:59:38,748 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-18 20:59:38,754 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]) [2022-11-18 20:59:38,754 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-18 20:59:38,755 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-18 20:59:38,755 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-18 20:59:38,755 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-18 20:59:38,755 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-18 20:59:38,758 INFO L130 PetriNetUnfolder]: 199/5528 cut-off events. [2022-11-18 20:59:38,758 INFO L131 PetriNetUnfolder]: For 34/61 co-relation queries the response was YES. [2022-11-18 20:59:38,801 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 58457 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. [2022-11-18 20:59:38,814 INFO L137 encePairwiseOnDemand]: 423/425 looper letters, 9 selfloop transitions, 1 changer transitions 0/375 dead transitions. [2022-11-18 20:59:38,815 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 375 transitions, 906 flow [2022-11-18 20:59:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:38,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:38,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1223 transitions. [2022-11-18 20:59:38,819 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9592156862745098 [2022-11-18 20:59:38,819 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1223 transitions. [2022-11-18 20:59:38,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1223 transitions. [2022-11-18 20:59:38,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:38,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1223 transitions. [2022-11-18 20:59:38,822 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) [2022-11-18 20:59:38,825 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) [2022-11-18 20:59:38,826 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) [2022-11-18 20:59:38,826 INFO L175 Difference]: Start difference. First operand has 378 places, 376 transitions, 888 flow. Second operand 3 states and 1223 transitions. [2022-11-18 20:59:38,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 375 transitions, 906 flow [2022-11-18 20:59:38,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 375 transitions, 899 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:59:38,835 INFO L231 Difference]: Finished difference. Result has 375 places, 375 transitions, 881 flow [2022-11-18 20:59:38,835 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} [2022-11-18 20:59:38,836 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-18 20:59:38,836 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 375 transitions, 881 flow [2022-11-18 20:59:38,837 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) [2022-11-18 20:59:38,837 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:38,837 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] [2022-11-18 20:59:38,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-18 20:59:38,838 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)] === [2022-11-18 20:59:38,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:38,838 INFO L85 PathProgramCache]: Analyzing trace with hash 483030182, now seen corresponding path program 1 times [2022-11-18 20:59:38,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:38,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685730816] [2022-11-18 20:59:38,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:38,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:38,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:38,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:38,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685730816] [2022-11-18 20:59:38,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685730816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:38,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:38,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:38,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632879714] [2022-11-18 20:59:38,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:38,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:38,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:38,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:38,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:38,918 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-18 20:59:38,919 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) [2022-11-18 20:59:38,919 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:38,919 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-18 20:59:38,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:39,882 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]) [2022-11-18 20:59:39,883 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-18 20:59:39,883 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-18 20:59:39,883 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-18 20:59:39,883 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-18 20:59:39,886 INFO L130 PetriNetUnfolder]: 217/6058 cut-off events. [2022-11-18 20:59:39,886 INFO L131 PetriNetUnfolder]: For 51/105 co-relation queries the response was YES. [2022-11-18 20:59:39,940 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 66032 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. [2022-11-18 20:59:39,954 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 11 selfloop transitions, 1 changer transitions 0/373 dead transitions. [2022-11-18 20:59:39,955 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 373 transitions, 901 flow [2022-11-18 20:59:39,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:39,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:39,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2022-11-18 20:59:39,958 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9545098039215686 [2022-11-18 20:59:39,958 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1217 transitions. [2022-11-18 20:59:39,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1217 transitions. [2022-11-18 20:59:39,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:39,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1217 transitions. [2022-11-18 20:59:39,962 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) [2022-11-18 20:59:39,965 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) [2022-11-18 20:59:39,966 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) [2022-11-18 20:59:39,966 INFO L175 Difference]: Start difference. First operand has 375 places, 375 transitions, 881 flow. Second operand 3 states and 1217 transitions. [2022-11-18 20:59:39,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 373 transitions, 901 flow [2022-11-18 20:59:39,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 373 transitions, 900 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:59:39,975 INFO L231 Difference]: Finished difference. Result has 374 places, 373 transitions, 878 flow [2022-11-18 20:59:39,976 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} [2022-11-18 20:59:39,976 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -16 predicate places. [2022-11-18 20:59:39,976 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 373 transitions, 878 flow [2022-11-18 20:59:39,977 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) [2022-11-18 20:59:39,977 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:59:39,977 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] [2022-11-18 20:59:39,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-18 20:59:39,978 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)] === [2022-11-18 20:59:39,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:39,979 INFO L85 PathProgramCache]: Analyzing trace with hash -2130177276, now seen corresponding path program 1 times [2022-11-18 20:59:39,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:39,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843823228] [2022-11-18 20:59:39,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:39,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:40,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:40,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:40,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843823228] [2022-11-18 20:59:40,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843823228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:40,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:40,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:59:40,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349936937] [2022-11-18 20:59:40,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:40,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:59:40,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:40,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:59:40,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:59:40,093 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-18 20:59:40,094 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) [2022-11-18 20:59:40,095 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:59:40,095 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-18 20:59:40,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:59:40,793 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]) [2022-11-18 20:59:40,793 INFO L383 tUnfolder$Statistics]: this new event has 178 ancestors and is not cut-off event [2022-11-18 20:59:40,793 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is not cut-off event [2022-11-18 20:59:40,793 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is not cut-off event [2022-11-18 20:59:40,793 INFO L386 tUnfolder$Statistics]: existing Event has 186 ancestors and is not cut-off event [2022-11-18 20:59:40,853 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1112] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][224], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 539#true, 207#L79-7true, Black: 472#true]) [2022-11-18 20:59:40,853 INFO L383 tUnfolder$Statistics]: this new event has 242 ancestors and is cut-off event [2022-11-18 20:59:40,853 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-18 20:59:40,853 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-18 20:59:40,853 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-18 20:59:40,916 INFO L381 tUnfolder$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]) [2022-11-18 20:59:40,916 INFO L383 tUnfolder$Statistics]: this new event has 242 ancestors and is cut-off event [2022-11-18 20:59:40,917 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-18 20:59:40,917 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-18 20:59:40,917 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-18 20:59:40,917 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-18 20:59:40,917 INFO L381 tUnfolder$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]) [2022-11-18 20:59:40,918 INFO L383 tUnfolder$Statistics]: this new event has 270 ancestors and is cut-off event [2022-11-18 20:59:40,918 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-18 20:59:40,918 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-18 20:59:40,918 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-18 20:59:40,918 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-18 20:59:40,918 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-18 20:59:40,919 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]) [2022-11-18 20:59:40,919 INFO L383 tUnfolder$Statistics]: this new event has 234 ancestors and is cut-off event [2022-11-18 20:59:40,919 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-18 20:59:40,919 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-18 20:59:40,919 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-18 20:59:40,921 INFO L381 tUnfolder$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]) [2022-11-18 20:59:40,921 INFO L383 tUnfolder$Statistics]: this new event has 242 ancestors and is cut-off event [2022-11-18 20:59:40,921 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-18 20:59:40,922 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-18 20:59:40,922 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-18 20:59:40,922 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-18 20:59:40,922 INFO L381 tUnfolder$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]) [2022-11-18 20:59:40,922 INFO L383 tUnfolder$Statistics]: this new event has 243 ancestors and is cut-off event [2022-11-18 20:59:40,923 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-18 20:59:40,923 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-18 20:59:40,923 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-18 20:59:40,938 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1112] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][224], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 539#true, 207#L79-7true, Black: 472#true]) [2022-11-18 20:59:40,938 INFO L383 tUnfolder$Statistics]: this new event has 234 ancestors and is not cut-off event [2022-11-18 20:59:40,938 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is not cut-off event [2022-11-18 20:59:40,938 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is not cut-off event [2022-11-18 20:59:40,938 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is not cut-off event [2022-11-18 20:59:40,939 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is not cut-off event [2022-11-18 20:59:40,939 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is not cut-off event [2022-11-18 20:59:40,939 INFO L386 tUnfolder$Statistics]: existing Event has 270 ancestors and is not cut-off event [2022-11-18 20:59:40,939 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]) [2022-11-18 20:59:40,939 INFO L383 tUnfolder$Statistics]: this new event has 235 ancestors and is cut-off event [2022-11-18 20:59:40,940 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-18 20:59:40,940 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-18 20:59:40,940 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-18 20:59:40,940 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-18 20:59:40,949 INFO L130 PetriNetUnfolder]: 267/4736 cut-off events. [2022-11-18 20:59:40,950 INFO L131 PetriNetUnfolder]: For 152/197 co-relation queries the response was YES. [2022-11-18 20:59:41,014 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 49839 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. [2022-11-18 20:59:41,017 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 0 selfloop transitions, 0 changer transitions 371/371 dead transitions. [2022-11-18 20:59:41,017 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 371 transitions, 896 flow [2022-11-18 20:59:41,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:59:41,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:59:41,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2022-11-18 20:59:41,020 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9537254901960784 [2022-11-18 20:59:41,020 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1216 transitions. [2022-11-18 20:59:41,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1216 transitions. [2022-11-18 20:59:41,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:59:41,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1216 transitions. [2022-11-18 20:59:41,023 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) [2022-11-18 20:59:41,026 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) [2022-11-18 20:59:41,026 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) [2022-11-18 20:59:41,027 INFO L175 Difference]: Start difference. First operand has 374 places, 373 transitions, 878 flow. Second operand 3 states and 1216 transitions. [2022-11-18 20:59:41,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 371 transitions, 896 flow [2022-11-18 20:59:41,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 371 transitions, 895 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:59:41,033 INFO L231 Difference]: Finished difference. Result has 373 places, 0 transitions, 0 flow [2022-11-18 20:59:41,033 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} [2022-11-18 20:59:41,034 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -17 predicate places. [2022-11-18 20:59:41,034 INFO L495 AbstractCegarLoop]: Abstraction has has 373 places, 0 transitions, 0 flow [2022-11-18 20:59:41,034 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) [2022-11-18 20:59:41,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2022-11-18 20:59:41,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2022-11-18 20:59:41,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2022-11-18 20:59:41,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2022-11-18 20:59:41,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2022-11-18 20:59:41,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2022-11-18 20:59:41,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2022-11-18 20:59:41,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2022-11-18 20:59:41,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2022-11-18 20:59:41,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2022-11-18 20:59:41,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2022-11-18 20:59:41,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2022-11-18 20:59:41,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2022-11-18 20:59:41,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2022-11-18 20:59:41,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2022-11-18 20:59:41,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2022-11-18 20:59:41,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2022-11-18 20:59:41,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2022-11-18 20:59:41,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2022-11-18 20:59:41,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2022-11-18 20:59:41,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2022-11-18 20:59:41,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2022-11-18 20:59:41,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2022-11-18 20:59:41,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2022-11-18 20:59:41,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2022-11-18 20:59:41,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2022-11-18 20:59:41,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2022-11-18 20:59:41,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2022-11-18 20:59:41,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2022-11-18 20:59:41,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2022-11-18 20:59:41,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2022-11-18 20:59:41,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2022-11-18 20:59:41,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2022-11-18 20:59:41,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2022-11-18 20:59:41,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2022-11-18 20:59:41,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2022-11-18 20:59:41,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2022-11-18 20:59:41,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2022-11-18 20:59:41,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2022-11-18 20:59:41,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2022-11-18 20:59:41,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2022-11-18 20:59:41,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2022-11-18 20:59:41,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2022-11-18 20:59:41,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2022-11-18 20:59:41,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 74 remaining) [2022-11-18 20:59:41,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 74 remaining) [2022-11-18 20:59:41,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 74 remaining) [2022-11-18 20:59:41,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2022-11-18 20:59:41,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2022-11-18 20:59:41,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2022-11-18 20:59:41,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2022-11-18 20:59:41,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2022-11-18 20:59:41,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2022-11-18 20:59:41,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2022-11-18 20:59:41,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2022-11-18 20:59:41,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2022-11-18 20:59:41,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2022-11-18 20:59:41,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2022-11-18 20:59:41,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2022-11-18 20:59:41,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2022-11-18 20:59:41,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2022-11-18 20:59:41,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2022-11-18 20:59:41,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2022-11-18 20:59:41,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2022-11-18 20:59:41,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2022-11-18 20:59:41,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2022-11-18 20:59:41,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2022-11-18 20:59:41,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2022-11-18 20:59:41,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2022-11-18 20:59:41,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2022-11-18 20:59:41,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2022-11-18 20:59:41,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2022-11-18 20:59:41,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2022-11-18 20:59:41,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2022-11-18 20:59:41,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-18 20:59:41,065 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] [2022-11-18 20:59:41,073 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:59:41,073 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:59:41,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:59:41 BasicIcfg [2022-11-18 20:59:41,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:59:41,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:59:41,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:59:41,081 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:59:41,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:17" (3/4) ... [2022-11-18 20:59:41,085 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:59:41,091 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 20:59:41,092 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 20:59:41,092 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-18 20:59:41,100 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-18 20:59:41,100 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 20:59:41,101 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:59:41,101 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:59:41,168 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:59:41,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:59:41,170 INFO L158 Benchmark]: Toolchain (without parser) took 24579.20ms. Allocated memory was 107.0MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 76.7MB in the beginning and 512.7MB in the end (delta: -436.0MB). Peak memory consumption was 745.6MB. Max. memory is 16.1GB. [2022-11-18 20:59:41,170 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:59:41,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.81ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 76.6MB in the beginning and 105.1MB in the end (delta: -28.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:59:41,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.02ms. Allocated memory is still 132.1MB. Free memory was 105.1MB in the beginning and 102.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:59:41,171 INFO L158 Benchmark]: Boogie Preprocessor took 36.86ms. Allocated memory is still 132.1MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:59:41,172 INFO L158 Benchmark]: RCFGBuilder took 901.82ms. Allocated memory is still 132.1MB. Free memory was 100.2MB in the beginning and 72.5MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-18 20:59:41,172 INFO L158 Benchmark]: TraceAbstraction took 23148.02ms. Allocated memory was 132.1MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 72.0MB in the beginning and 516.9MB in the end (delta: -444.8MB). Peak memory consumption was 713.1MB. Max. memory is 16.1GB. [2022-11-18 20:59:41,172 INFO L158 Benchmark]: Witness Printer took 88.02ms. Allocated memory is still 1.3GB. Free memory was 516.9MB in the beginning and 512.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:59:41,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.81ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 76.6MB in the beginning and 105.1MB in the end (delta: -28.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.02ms. Allocated memory is still 132.1MB. Free memory was 105.1MB in the beginning and 102.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.86ms. Allocated memory is still 132.1MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 901.82ms. Allocated memory is still 132.1MB. Free memory was 100.2MB in the beginning and 72.5MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 23148.02ms. Allocated memory was 132.1MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 72.0MB in the beginning and 516.9MB in the end (delta: -444.8MB). Peak memory consumption was 713.1MB. Max. memory is 16.1GB. * Witness Printer took 88.02ms. Allocated memory is still 1.3GB. Free memory was 516.9MB in the beginning and 512.7MB 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: 22.9s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, 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, 2.4s 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! [2022-11-18 20:59:41,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08069d11-6f42-44ea-8502-265edccc2958/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE