./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF --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 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:27:06,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:27:06,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:27:06,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:27:06,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:27:06,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:27:06,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:27:06,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:27:06,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:27:06,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:27:06,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:27:06,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:27:06,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:27:06,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:27:06,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:27:06,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:27:06,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:27:06,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:27:06,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:27:06,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:27:06,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:27:06,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:27:06,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:27:06,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:27:06,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:27:06,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:27:06,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:27:06,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:27:06,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:27:06,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:27:06,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:27:06,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:27:06,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:27:06,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:27:06,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:27:06,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:27:06,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:27:06,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:27:06,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:27:06,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:27:06,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:27:06,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-20 06:27:06,814 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:27:06,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:27:06,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:27:06,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:27:06,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:27:06,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:27:06,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:27:06,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:27:06,818 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:27:06,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:27:06,820 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:27:06,821 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:27:06,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:27:06,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:27:06,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:27:06,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:27:06,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:27:06,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:27:06,823 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-20 06:27:06,823 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:27:06,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:27:06,823 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:27:06,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:27:06,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:27:06,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:27:06,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:27:06,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:27:06,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:27:06,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:27:06,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:27:06,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:27:06,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:27:06,828 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:27:06,828 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:27:06,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:27:06,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:27:06,829 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_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 [2021-11-20 06:27:07,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:27:07,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:27:07,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:27:07,168 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:27:07,169 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:27:07,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i [2021-11-20 06:27:07,264 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF/data/272eb9453/7d09fa087b834fbd93863c9401c197c4/FLAG0ad906fa4 [2021-11-20 06:27:07,996 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:27:07,996 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i [2021-11-20 06:27:08,047 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF/data/272eb9453/7d09fa087b834fbd93863c9401c197c4/FLAG0ad906fa4 [2021-11-20 06:27:08,205 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF/data/272eb9453/7d09fa087b834fbd93863c9401c197c4 [2021-11-20 06:27:08,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:27:08,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:27:08,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:27:08,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:27:08,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:27:08,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:27:08" (1/1) ... [2021-11-20 06:27:08,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d46ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:08, skipping insertion in model container [2021-11-20 06:27:08,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:27:08" (1/1) ... [2021-11-20 06:27:08,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:27:08,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:27:08,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:27:08,980 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:27:09,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:27:09,143 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:27:09,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:09 WrapperNode [2021-11-20 06:27:09,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:27:09,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:27:09,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:27:09,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:27:09,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:09" (1/1) ... [2021-11-20 06:27:09,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:09" (1/1) ... [2021-11-20 06:27:09,247 INFO L137 Inliner]: procedures = 368, calls = 55, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 206 [2021-11-20 06:27:09,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:27:09,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:27:09,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:27:09,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:27:09,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:09" (1/1) ... [2021-11-20 06:27:09,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:09" (1/1) ... [2021-11-20 06:27:09,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:09" (1/1) ... [2021-11-20 06:27:09,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:09" (1/1) ... [2021-11-20 06:27:09,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:09" (1/1) ... [2021-11-20 06:27:09,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:09" (1/1) ... [2021-11-20 06:27:09,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:09" (1/1) ... [2021-11-20 06:27:09,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:27:09,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:27:09,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:27:09,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:27:09,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:09" (1/1) ... [2021-11-20 06:27:09,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:27:09,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:27:09,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:27:09,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfcfc4-58c7-4b25-b26d-4eed9f1fc3c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:27:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:27:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:27:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:27:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:27:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:27:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-20 06:27:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:27:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:27:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:27:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-20 06:27:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-20 06:27:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:27:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:27:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:27:09,463 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 06:27:09,625 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:27:09,643 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:27:10,322 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:27:10,345 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:27:10,345 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:27:10,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:27:10 BoogieIcfgContainer [2021-11-20 06:27:10,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:27:10,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:27:10,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:27:10,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:27:10,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:27:08" (1/3) ... [2021-11-20 06:27:10,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464b961c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:27:10, skipping insertion in model container [2021-11-20 06:27:10,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:09" (2/3) ... [2021-11-20 06:27:10,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464b961c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:27:10, skipping insertion in model container [2021-11-20 06:27:10,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:27:10" (3/3) ... [2021-11-20 06:27:10,359 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2021-11-20 06:27:10,365 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 06:27:10,365 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:27:10,365 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2021-11-20 06:27:10,365 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 06:27:10,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,412 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,412 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,412 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,413 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,502 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,507 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:27:10,516 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 06:27:10,585 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:27:10,592 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:27:10,593 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-11-20 06:27:10,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 317 places, 313 transitions, 631 flow [2021-11-20 06:27:10,784 INFO L129 PetriNetUnfolder]: 0/312 cut-off events. [2021-11-20 06:27:10,784 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:27:10,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 316 conditions, 312 events. 0/312 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 157 event pairs, 0 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-20 06:27:10,787 INFO L82 GeneralOperation]: Start removeDead. Operand has 317 places, 313 transitions, 631 flow [2021-11-20 06:27:10,796 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 316 places, 312 transitions, 627 flow [2021-11-20 06:27:10,804 INFO L129 PetriNetUnfolder]: 0/49 cut-off events. [2021-11-20 06:27:10,805 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:27:10,805 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:10,806 INFO L254 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] [2021-11-20 06:27:10,806 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:10,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:10,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1579257422, now seen corresponding path program 1 times [2021-11-20 06:27:10,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:10,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362930006] [2021-11-20 06:27:10,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:10,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:11,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:11,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362930006] [2021-11-20 06:27:11,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362930006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:11,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:11,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:27:11,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519569743] [2021-11-20 06:27:11,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:11,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:27:11,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:11,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:27:11,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:27:11,344 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 313 [2021-11-20 06:27:11,351 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 312 transitions, 627 flow. Second operand has 6 states, 6 states have (on average 169.5) internal successors, (1017), 6 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:11,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:11,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 313 [2021-11-20 06:27:11,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:12,680 INFO L129 PetriNetUnfolder]: 864/2873 cut-off events. [2021-11-20 06:27:12,680 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-20 06:27:12,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4747 conditions, 2873 events. 864/2873 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 17974 event pairs, 864 based on Foata normal form. 0/2510 useless extension candidates. Maximal degree in co-relation 4478. Up to 1850 conditions per place. [2021-11-20 06:27:12,709 INFO L132 encePairwiseOnDemand]: 289/313 looper letters, 121 selfloop transitions, 20 changer transitions 0/308 dead transitions. [2021-11-20 06:27:12,709 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 308 transitions, 901 flow [2021-11-20 06:27:12,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:27:12,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:27:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1153 transitions. [2021-11-20 06:27:12,732 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.61395101171459 [2021-11-20 06:27:12,733 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1153 transitions. [2021-11-20 06:27:12,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1153 transitions. [2021-11-20 06:27:12,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:12,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1153 transitions. [2021-11-20 06:27:12,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 192.16666666666666) internal successors, (1153), 6 states have internal predecessors, (1153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:12,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:12,771 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:12,773 INFO L186 Difference]: Start difference. First operand has 316 places, 312 transitions, 627 flow. Second operand 6 states and 1153 transitions. [2021-11-20 06:27:12,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 308 transitions, 901 flow [2021-11-20 06:27:12,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 308 transitions, 900 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 06:27:12,798 INFO L242 Difference]: Finished difference. Result has 316 places, 308 transitions, 658 flow [2021-11-20 06:27:12,801 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=658, PETRI_PLACES=316, PETRI_TRANSITIONS=308} [2021-11-20 06:27:12,808 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 0 predicate places. [2021-11-20 06:27:12,808 INFO L470 AbstractCegarLoop]: Abstraction has has 316 places, 308 transitions, 658 flow [2021-11-20 06:27:12,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 169.5) internal successors, (1017), 6 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:12,809 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:12,810 INFO L254 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] [2021-11-20 06:27:12,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:27:12,810 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:12,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:12,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1485619206, now seen corresponding path program 1 times [2021-11-20 06:27:12,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:12,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365878380] [2021-11-20 06:27:12,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:12,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:13,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:13,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:13,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365878380] [2021-11-20 06:27:13,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365878380] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:13,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:13,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:27:13,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583672914] [2021-11-20 06:27:13,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:13,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:27:13,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:13,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:27:13,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:27:13,050 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 313 [2021-11-20 06:27:13,053 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 308 transitions, 658 flow. Second operand has 6 states, 6 states have (on average 170.5) internal successors, (1023), 6 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:13,053 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:13,053 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 313 [2021-11-20 06:27:13,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:13,969 INFO L129 PetriNetUnfolder]: 864/2869 cut-off events. [2021-11-20 06:27:13,969 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-20 06:27:13,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4759 conditions, 2869 events. 864/2869 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 17967 event pairs, 864 based on Foata normal form. 0/2510 useless extension candidates. Maximal degree in co-relation 4520. Up to 1846 conditions per place. [2021-11-20 06:27:13,989 INFO L132 encePairwiseOnDemand]: 289/313 looper letters, 117 selfloop transitions, 20 changer transitions 0/304 dead transitions. [2021-11-20 06:27:13,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 304 transitions, 924 flow [2021-11-20 06:27:13,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:27:13,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:27:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1149 transitions. [2021-11-20 06:27:13,995 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6118210862619808 [2021-11-20 06:27:13,995 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1149 transitions. [2021-11-20 06:27:13,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1149 transitions. [2021-11-20 06:27:13,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:13,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1149 transitions. [2021-11-20 06:27:14,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 191.5) internal successors, (1149), 6 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:14,007 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:14,009 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:14,009 INFO L186 Difference]: Start difference. First operand has 316 places, 308 transitions, 658 flow. Second operand 6 states and 1149 transitions. [2021-11-20 06:27:14,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 304 transitions, 924 flow [2021-11-20 06:27:14,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 304 transitions, 884 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-20 06:27:14,023 INFO L242 Difference]: Finished difference. Result has 312 places, 304 transitions, 650 flow [2021-11-20 06:27:14,025 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=650, PETRI_PLACES=312, PETRI_TRANSITIONS=304} [2021-11-20 06:27:14,026 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -4 predicate places. [2021-11-20 06:27:14,026 INFO L470 AbstractCegarLoop]: Abstraction has has 312 places, 304 transitions, 650 flow [2021-11-20 06:27:14,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 170.5) internal successors, (1023), 6 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:14,027 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:14,028 INFO L254 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] [2021-11-20 06:27:14,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:27:14,028 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:14,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:14,029 INFO L85 PathProgramCache]: Analyzing trace with hash -2109758001, now seen corresponding path program 1 times [2021-11-20 06:27:14,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:14,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208500094] [2021-11-20 06:27:14,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:14,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:14,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:14,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:14,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208500094] [2021-11-20 06:27:14,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208500094] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:14,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:14,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:27:14,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921757980] [2021-11-20 06:27:14,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:14,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:27:14,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:14,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:27:14,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:27:14,201 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 313 [2021-11-20 06:27:14,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 304 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:14,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:14,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 313 [2021-11-20 06:27:14,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:14,387 INFO L129 PetriNetUnfolder]: 9/531 cut-off events. [2021-11-20 06:27:14,388 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:27:14,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 592 conditions, 531 events. 9/531 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1514 event pairs, 9 based on Foata normal form. 0/482 useless extension candidates. Maximal degree in co-relation 397. Up to 35 conditions per place. [2021-11-20 06:27:14,391 INFO L132 encePairwiseOnDemand]: 310/313 looper letters, 16 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2021-11-20 06:27:14,392 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 303 transitions, 684 flow [2021-11-20 06:27:14,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:27:14,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:27:14,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 901 transitions. [2021-11-20 06:27:14,409 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9595314164004259 [2021-11-20 06:27:14,409 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 901 transitions. [2021-11-20 06:27:14,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 901 transitions. [2021-11-20 06:27:14,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:14,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 901 transitions. [2021-11-20 06:27:14,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:14,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:14,418 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:14,418 INFO L186 Difference]: Start difference. First operand has 312 places, 304 transitions, 650 flow. Second operand 3 states and 901 transitions. [2021-11-20 06:27:14,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 303 transitions, 684 flow [2021-11-20 06:27:14,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 303 transitions, 644 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-20 06:27:14,442 INFO L242 Difference]: Finished difference. Result has 308 places, 303 transitions, 612 flow [2021-11-20 06:27:14,443 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=308, PETRI_TRANSITIONS=303} [2021-11-20 06:27:14,446 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -8 predicate places. [2021-11-20 06:27:14,447 INFO L470 AbstractCegarLoop]: Abstraction has has 308 places, 303 transitions, 612 flow [2021-11-20 06:27:14,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:14,448 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:14,448 INFO L254 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] [2021-11-20 06:27:14,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:27:14,448 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:14,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:14,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1817743894, now seen corresponding path program 1 times [2021-11-20 06:27:14,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:14,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425140222] [2021-11-20 06:27:14,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:14,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:14,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:14,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425140222] [2021-11-20 06:27:14,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425140222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:14,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:14,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:27:14,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105950839] [2021-11-20 06:27:14,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:14,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:27:14,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:14,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:27:14,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:27:14,603 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 313 [2021-11-20 06:27:14,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 303 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:14,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:14,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 313 [2021-11-20 06:27:14,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:14,710 INFO L129 PetriNetUnfolder]: 4/468 cut-off events. [2021-11-20 06:27:14,710 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-20 06:27:14,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 468 events. 4/468 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1086 event pairs, 4 based on Foata normal form. 0/434 useless extension candidates. Maximal degree in co-relation 420. Up to 17 conditions per place. [2021-11-20 06:27:14,713 INFO L132 encePairwiseOnDemand]: 308/313 looper letters, 10 selfloop transitions, 1 changer transitions 0/299 dead transitions. [2021-11-20 06:27:14,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 299 transitions, 626 flow [2021-11-20 06:27:14,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:27:14,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:27:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 906 transitions. [2021-11-20 06:27:14,718 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9648562300319489 [2021-11-20 06:27:14,718 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 906 transitions. [2021-11-20 06:27:14,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 906 transitions. [2021-11-20 06:27:14,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:14,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 906 transitions. [2021-11-20 06:27:14,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:14,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:14,728 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:14,728 INFO L186 Difference]: Start difference. First operand has 308 places, 303 transitions, 612 flow. Second operand 3 states and 906 transitions. [2021-11-20 06:27:14,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 299 transitions, 626 flow [2021-11-20 06:27:14,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 299 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:27:14,737 INFO L242 Difference]: Finished difference. Result has 304 places, 299 transitions, 602 flow [2021-11-20 06:27:14,738 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=602, PETRI_PLACES=304, PETRI_TRANSITIONS=299} [2021-11-20 06:27:14,740 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -12 predicate places. [2021-11-20 06:27:14,740 INFO L470 AbstractCegarLoop]: Abstraction has has 304 places, 299 transitions, 602 flow [2021-11-20 06:27:14,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:14,742 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:14,742 INFO L254 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] [2021-11-20 06:27:14,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:27:14,742 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:14,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:14,743 INFO L85 PathProgramCache]: Analyzing trace with hash 708730018, now seen corresponding path program 1 times [2021-11-20 06:27:14,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:14,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008085572] [2021-11-20 06:27:14,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:14,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:14,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:14,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:14,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008085572] [2021-11-20 06:27:14,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008085572] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:14,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:14,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:27:14,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117782180] [2021-11-20 06:27:14,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:14,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:27:14,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:14,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:27:14,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:27:14,901 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 313 [2021-11-20 06:27:14,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 299 transitions, 602 flow. Second operand has 6 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:14,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:14,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 313 [2021-11-20 06:27:14,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:15,877 INFO L129 PetriNetUnfolder]: 925/3035 cut-off events. [2021-11-20 06:27:15,878 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:27:15,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5012 conditions, 3035 events. 925/3035 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 19033 event pairs, 925 based on Foata normal form. 0/2670 useless extension candidates. Maximal degree in co-relation 4927. Up to 1967 conditions per place. [2021-11-20 06:27:15,898 INFO L132 encePairwiseOnDemand]: 307/313 looper letters, 116 selfloop transitions, 5 changer transitions 0/298 dead transitions. [2021-11-20 06:27:15,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 298 transitions, 842 flow [2021-11-20 06:27:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:27:15,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:27:15,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1220 transitions. [2021-11-20 06:27:15,904 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6496272630457934 [2021-11-20 06:27:15,904 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1220 transitions. [2021-11-20 06:27:15,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1220 transitions. [2021-11-20 06:27:15,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:15,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1220 transitions. [2021-11-20 06:27:15,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:15,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:15,916 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:15,916 INFO L186 Difference]: Start difference. First operand has 304 places, 299 transitions, 602 flow. Second operand 6 states and 1220 transitions. [2021-11-20 06:27:15,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 298 transitions, 842 flow [2021-11-20 06:27:15,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 298 transitions, 841 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 06:27:15,924 INFO L242 Difference]: Finished difference. Result has 307 places, 298 transitions, 609 flow [2021-11-20 06:27:15,924 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=599, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=609, PETRI_PLACES=307, PETRI_TRANSITIONS=298} [2021-11-20 06:27:15,925 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -9 predicate places. [2021-11-20 06:27:15,926 INFO L470 AbstractCegarLoop]: Abstraction has has 307 places, 298 transitions, 609 flow [2021-11-20 06:27:15,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:15,927 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:15,927 INFO L254 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] [2021-11-20 06:27:15,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:27:15,927 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:15,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:15,928 INFO L85 PathProgramCache]: Analyzing trace with hash 834139185, now seen corresponding path program 1 times [2021-11-20 06:27:15,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:15,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193134650] [2021-11-20 06:27:15,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:15,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:15,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:15,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:15,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193134650] [2021-11-20 06:27:15,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193134650] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:15,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:15,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:27:15,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029026861] [2021-11-20 06:27:15,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:15,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:27:15,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:15,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:27:15,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:27:15,979 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 313 [2021-11-20 06:27:15,980 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 298 transitions, 609 flow. Second operand has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:15,980 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:15,981 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 313 [2021-11-20 06:27:15,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:16,127 INFO L129 PetriNetUnfolder]: 9/430 cut-off events. [2021-11-20 06:27:16,128 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:27:16,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 430 events. 9/430 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 785 event pairs, 9 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 404. Up to 35 conditions per place. [2021-11-20 06:27:16,131 INFO L132 encePairwiseOnDemand]: 310/313 looper letters, 16 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2021-11-20 06:27:16,131 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 297 transitions, 643 flow [2021-11-20 06:27:16,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:27:16,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:27:16,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 901 transitions. [2021-11-20 06:27:16,135 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9595314164004259 [2021-11-20 06:27:16,135 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 901 transitions. [2021-11-20 06:27:16,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 901 transitions. [2021-11-20 06:27:16,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:16,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 901 transitions. [2021-11-20 06:27:16,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:16,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:16,143 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:16,143 INFO L186 Difference]: Start difference. First operand has 307 places, 298 transitions, 609 flow. Second operand 3 states and 901 transitions. [2021-11-20 06:27:16,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 297 transitions, 643 flow [2021-11-20 06:27:16,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 297 transitions, 633 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-20 06:27:16,152 INFO L242 Difference]: Finished difference. Result has 303 places, 297 transitions, 601 flow [2021-11-20 06:27:16,153 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=303, PETRI_TRANSITIONS=297} [2021-11-20 06:27:16,154 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -13 predicate places. [2021-11-20 06:27:16,154 INFO L470 AbstractCegarLoop]: Abstraction has has 303 places, 297 transitions, 601 flow [2021-11-20 06:27:16,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:16,155 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:16,156 INFO L254 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] [2021-11-20 06:27:16,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:27:16,156 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:16,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:16,157 INFO L85 PathProgramCache]: Analyzing trace with hash -264018609, now seen corresponding path program 1 times [2021-11-20 06:27:16,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:16,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303212818] [2021-11-20 06:27:16,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:16,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:16,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:16,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303212818] [2021-11-20 06:27:16,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303212818] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:16,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:16,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:27:16,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9461453] [2021-11-20 06:27:16,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:16,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:27:16,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:16,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:27:16,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:27:16,218 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 313 [2021-11-20 06:27:16,220 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 297 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:16,220 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:16,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 313 [2021-11-20 06:27:16,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:16,321 INFO L129 PetriNetUnfolder]: 4/386 cut-off events. [2021-11-20 06:27:16,321 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-20 06:27:16,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 386 events. 4/386 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 524 event pairs, 4 based on Foata normal form. 0/365 useless extension candidates. Maximal degree in co-relation 341. Up to 17 conditions per place. [2021-11-20 06:27:16,324 INFO L132 encePairwiseOnDemand]: 308/313 looper letters, 10 selfloop transitions, 1 changer transitions 0/293 dead transitions. [2021-11-20 06:27:16,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 293 transitions, 615 flow [2021-11-20 06:27:16,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:27:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:27:16,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 906 transitions. [2021-11-20 06:27:16,328 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9648562300319489 [2021-11-20 06:27:16,328 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 906 transitions. [2021-11-20 06:27:16,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 906 transitions. [2021-11-20 06:27:16,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:16,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 906 transitions. [2021-11-20 06:27:16,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:16,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:16,336 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:16,336 INFO L186 Difference]: Start difference. First operand has 303 places, 297 transitions, 601 flow. Second operand 3 states and 906 transitions. [2021-11-20 06:27:16,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 293 transitions, 615 flow [2021-11-20 06:27:16,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 293 transitions, 611 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:27:16,344 INFO L242 Difference]: Finished difference. Result has 299 places, 293 transitions, 591 flow [2021-11-20 06:27:16,345 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=299, PETRI_TRANSITIONS=293} [2021-11-20 06:27:16,346 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -17 predicate places. [2021-11-20 06:27:16,346 INFO L470 AbstractCegarLoop]: Abstraction has has 299 places, 293 transitions, 591 flow [2021-11-20 06:27:16,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:16,347 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:16,347 INFO L254 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] [2021-11-20 06:27:16,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:27:16,348 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:16,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:16,348 INFO L85 PathProgramCache]: Analyzing trace with hash -123328695, now seen corresponding path program 1 times [2021-11-20 06:27:16,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:16,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599794220] [2021-11-20 06:27:16,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:16,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:16,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:16,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599794220] [2021-11-20 06:27:16,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599794220] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:16,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:16,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:27:16,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936938378] [2021-11-20 06:27:16,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:16,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:27:16,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:16,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:27:16,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:27:16,498 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 313 [2021-11-20 06:27:16,500 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 293 transitions, 591 flow. Second operand has 6 states, 6 states have (on average 192.33333333333334) internal successors, (1154), 6 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:16,500 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:16,501 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 313 [2021-11-20 06:27:16,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:17,361 INFO L129 PetriNetUnfolder]: 925/2946 cut-off events. [2021-11-20 06:27:17,362 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:27:17,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4923 conditions, 2946 events. 925/2946 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 18339 event pairs, 925 based on Foata normal form. 0/2615 useless extension candidates. Maximal degree in co-relation 4839. Up to 1966 conditions per place. [2021-11-20 06:27:17,384 INFO L132 encePairwiseOnDemand]: 307/313 looper letters, 115 selfloop transitions, 5 changer transitions 0/292 dead transitions. [2021-11-20 06:27:17,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 292 transitions, 829 flow [2021-11-20 06:27:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:27:17,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:27:17,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1219 transitions. [2021-11-20 06:27:17,390 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6490947816826411 [2021-11-20 06:27:17,390 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1219 transitions. [2021-11-20 06:27:17,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1219 transitions. [2021-11-20 06:27:17,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:17,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1219 transitions. [2021-11-20 06:27:17,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.16666666666666) internal successors, (1219), 6 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) [2021-11-20 06:27:17,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:17,404 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:17,404 INFO L186 Difference]: Start difference. First operand has 299 places, 293 transitions, 591 flow. Second operand 6 states and 1219 transitions. [2021-11-20 06:27:17,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 292 transitions, 829 flow [2021-11-20 06:27:17,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 292 transitions, 828 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 06:27:17,413 INFO L242 Difference]: Finished difference. Result has 302 places, 292 transitions, 598 flow [2021-11-20 06:27:17,414 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=598, PETRI_PLACES=302, PETRI_TRANSITIONS=292} [2021-11-20 06:27:17,417 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -14 predicate places. [2021-11-20 06:27:17,417 INFO L470 AbstractCegarLoop]: Abstraction has has 302 places, 292 transitions, 598 flow [2021-11-20 06:27:17,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 192.33333333333334) internal successors, (1154), 6 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:17,419 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:17,419 INFO L254 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] [2021-11-20 06:27:17,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 06:27:17,419 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:17,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:17,420 INFO L85 PathProgramCache]: Analyzing trace with hash 722055751, now seen corresponding path program 1 times [2021-11-20 06:27:17,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:17,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190539229] [2021-11-20 06:27:17,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:17,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:17,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:17,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190539229] [2021-11-20 06:27:17,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190539229] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:17,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:17,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:27:17,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065741046] [2021-11-20 06:27:17,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:17,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:27:17,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:17,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:27:17,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:27:17,639 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 313 [2021-11-20 06:27:17,641 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 292 transitions, 598 flow. Second operand has 6 states, 6 states have (on average 196.16666666666666) internal successors, (1177), 6 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:17,641 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:17,641 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 313 [2021-11-20 06:27:17,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:19,234 INFO L129 PetriNetUnfolder]: 1392/4481 cut-off events. [2021-11-20 06:27:19,235 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-20 06:27:19,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7440 conditions, 4481 events. 1392/4481 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 32522 event pairs, 181 based on Foata normal form. 0/4036 useless extension candidates. Maximal degree in co-relation 7356. Up to 1396 conditions per place. [2021-11-20 06:27:19,272 INFO L132 encePairwiseOnDemand]: 294/313 looper letters, 220 selfloop transitions, 38 changer transitions 0/433 dead transitions. [2021-11-20 06:27:19,272 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 433 transitions, 1396 flow [2021-11-20 06:27:19,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:27:19,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:27:19,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1376 transitions. [2021-11-20 06:27:19,278 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7326943556975506 [2021-11-20 06:27:19,278 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1376 transitions. [2021-11-20 06:27:19,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1376 transitions. [2021-11-20 06:27:19,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:19,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1376 transitions. [2021-11-20 06:27:19,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 229.33333333333334) internal successors, (1376), 6 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:19,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:19,290 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:19,290 INFO L186 Difference]: Start difference. First operand has 302 places, 292 transitions, 598 flow. Second operand 6 states and 1376 transitions. [2021-11-20 06:27:19,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 433 transitions, 1396 flow [2021-11-20 06:27:19,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 433 transitions, 1386 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-20 06:27:19,303 INFO L242 Difference]: Finished difference. Result has 306 places, 328 transitions, 846 flow [2021-11-20 06:27:19,304 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=846, PETRI_PLACES=306, PETRI_TRANSITIONS=328} [2021-11-20 06:27:19,304 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -10 predicate places. [2021-11-20 06:27:19,304 INFO L470 AbstractCegarLoop]: Abstraction has has 306 places, 328 transitions, 846 flow [2021-11-20 06:27:19,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.16666666666666) internal successors, (1177), 6 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:19,306 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:19,306 INFO L254 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] [2021-11-20 06:27:19,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 06:27:19,306 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:19,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:19,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1679495531, now seen corresponding path program 1 times [2021-11-20 06:27:19,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:19,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515717378] [2021-11-20 06:27:19,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:19,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:19,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:19,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:19,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515717378] [2021-11-20 06:27:19,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515717378] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:19,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:19,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:27:19,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743390474] [2021-11-20 06:27:19,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:19,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:27:19,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:19,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:27:19,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:27:19,463 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 313 [2021-11-20 06:27:19,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 328 transitions, 846 flow. Second operand has 6 states, 6 states have (on average 198.5) internal successors, (1191), 6 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) [2021-11-20 06:27:19,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:19,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 313 [2021-11-20 06:27:19,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:20,722 INFO L129 PetriNetUnfolder]: 1425/4583 cut-off events. [2021-11-20 06:27:20,722 INFO L130 PetriNetUnfolder]: For 1051/1051 co-relation queries the response was YES. [2021-11-20 06:27:20,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8715 conditions, 4583 events. 1425/4583 cut-off events. For 1051/1051 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 32965 event pairs, 936 based on Foata normal form. 0/4136 useless extension candidates. Maximal degree in co-relation 8629. Up to 2730 conditions per place. [2021-11-20 06:27:20,760 INFO L132 encePairwiseOnDemand]: 307/313 looper letters, 237 selfloop transitions, 5 changer transitions 0/419 dead transitions. [2021-11-20 06:27:20,760 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 419 transitions, 1552 flow [2021-11-20 06:27:20,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:27:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:27:20,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1334 transitions. [2021-11-20 06:27:20,766 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7103301384451545 [2021-11-20 06:27:20,766 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1334 transitions. [2021-11-20 06:27:20,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1334 transitions. [2021-11-20 06:27:20,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:20,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1334 transitions. [2021-11-20 06:27:20,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 222.33333333333334) internal successors, (1334), 6 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:20,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:20,775 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:20,775 INFO L186 Difference]: Start difference. First operand has 306 places, 328 transitions, 846 flow. Second operand 6 states and 1334 transitions. [2021-11-20 06:27:20,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 419 transitions, 1552 flow [2021-11-20 06:27:20,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 419 transitions, 1552 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 06:27:20,793 INFO L242 Difference]: Finished difference. Result has 310 places, 327 transitions, 854 flow [2021-11-20 06:27:20,795 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=844, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=854, PETRI_PLACES=310, PETRI_TRANSITIONS=327} [2021-11-20 06:27:20,796 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -6 predicate places. [2021-11-20 06:27:20,796 INFO L470 AbstractCegarLoop]: Abstraction has has 310 places, 327 transitions, 854 flow [2021-11-20 06:27:20,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.5) internal successors, (1191), 6 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) [2021-11-20 06:27:20,797 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:20,798 INFO L254 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] [2021-11-20 06:27:20,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 06:27:20,798 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:20,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:20,799 INFO L85 PathProgramCache]: Analyzing trace with hash 2143879696, now seen corresponding path program 1 times [2021-11-20 06:27:20,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:20,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18223657] [2021-11-20 06:27:20,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:20,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:20,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:20,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18223657] [2021-11-20 06:27:20,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18223657] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:20,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:20,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:27:20,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430920263] [2021-11-20 06:27:20,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:20,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:27:20,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:20,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:27:20,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:27:20,983 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 313 [2021-11-20 06:27:20,993 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 327 transitions, 854 flow. Second operand has 6 states, 6 states have (on average 192.66666666666666) internal successors, (1156), 6 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:20,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:21,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 313 [2021-11-20 06:27:21,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:22,574 INFO L129 PetriNetUnfolder]: 1814/5691 cut-off events. [2021-11-20 06:27:22,574 INFO L130 PetriNetUnfolder]: For 1342/1346 co-relation queries the response was YES. [2021-11-20 06:27:22,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10926 conditions, 5691 events. 1814/5691 cut-off events. For 1342/1346 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 43795 event pairs, 351 based on Foata normal form. 0/5243 useless extension candidates. Maximal degree in co-relation 10836. Up to 2174 conditions per place. [2021-11-20 06:27:22,607 INFO L132 encePairwiseOnDemand]: 292/313 looper letters, 265 selfloop transitions, 71 changer transitions 0/506 dead transitions. [2021-11-20 06:27:22,607 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 506 transitions, 2140 flow [2021-11-20 06:27:22,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:27:22,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:27:22,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1359 transitions. [2021-11-20 06:27:22,614 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7236421725239617 [2021-11-20 06:27:22,614 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1359 transitions. [2021-11-20 06:27:22,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1359 transitions. [2021-11-20 06:27:22,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:22,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1359 transitions. [2021-11-20 06:27:22,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 226.5) internal successors, (1359), 6 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:22,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:22,625 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:22,625 INFO L186 Difference]: Start difference. First operand has 310 places, 327 transitions, 854 flow. Second operand 6 states and 1359 transitions. [2021-11-20 06:27:22,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 506 transitions, 2140 flow [2021-11-20 06:27:22,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 506 transitions, 2090 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-20 06:27:22,639 INFO L242 Difference]: Finished difference. Result has 315 places, 396 transitions, 1502 flow [2021-11-20 06:27:22,640 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=844, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1502, PETRI_PLACES=315, PETRI_TRANSITIONS=396} [2021-11-20 06:27:22,640 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -1 predicate places. [2021-11-20 06:27:22,641 INFO L470 AbstractCegarLoop]: Abstraction has has 315 places, 396 transitions, 1502 flow [2021-11-20 06:27:22,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 192.66666666666666) internal successors, (1156), 6 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:22,641 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:22,642 INFO L254 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, 1, 1, 1, 1] [2021-11-20 06:27:22,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 06:27:22,642 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:22,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:22,643 INFO L85 PathProgramCache]: Analyzing trace with hash -162897296, now seen corresponding path program 1 times [2021-11-20 06:27:22,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:22,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167570874] [2021-11-20 06:27:22,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:22,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:22,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:22,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167570874] [2021-11-20 06:27:22,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167570874] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:22,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:22,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:27:22,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583821786] [2021-11-20 06:27:22,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:22,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:27:22,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:22,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:27:22,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:27:22,801 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 313 [2021-11-20 06:27:22,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 396 transitions, 1502 flow. Second operand has 6 states, 6 states have (on average 197.66666666666666) internal successors, (1186), 6 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:22,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:22,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 313 [2021-11-20 06:27:22,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:24,554 INFO L129 PetriNetUnfolder]: 1933/6154 cut-off events. [2021-11-20 06:27:24,554 INFO L130 PetriNetUnfolder]: For 3621/3668 co-relation queries the response was YES. [2021-11-20 06:27:24,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14088 conditions, 6154 events. 1933/6154 cut-off events. For 3621/3668 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 48097 event pairs, 1000 based on Foata normal form. 0/5741 useless extension candidates. Maximal degree in co-relation 13997. Up to 3840 conditions per place. [2021-11-20 06:27:24,621 INFO L132 encePairwiseOnDemand]: 290/313 looper letters, 250 selfloop transitions, 89 changer transitions 0/515 dead transitions. [2021-11-20 06:27:24,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 515 transitions, 2700 flow [2021-11-20 06:27:24,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:27:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:27:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1333 transitions. [2021-11-20 06:27:24,630 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7097976570820022 [2021-11-20 06:27:24,630 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1333 transitions. [2021-11-20 06:27:24,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1333 transitions. [2021-11-20 06:27:24,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:24,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1333 transitions. [2021-11-20 06:27:24,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 222.16666666666666) internal successors, (1333), 6 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:24,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:24,647 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:24,648 INFO L186 Difference]: Start difference. First operand has 315 places, 396 transitions, 1502 flow. Second operand 6 states and 1333 transitions. [2021-11-20 06:27:24,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 515 transitions, 2700 flow [2021-11-20 06:27:24,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 515 transitions, 2700 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 06:27:24,678 INFO L242 Difference]: Finished difference. Result has 325 places, 480 transitions, 2304 flow [2021-11-20 06:27:24,679 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=1502, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2304, PETRI_PLACES=325, PETRI_TRANSITIONS=480} [2021-11-20 06:27:24,680 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 9 predicate places. [2021-11-20 06:27:24,680 INFO L470 AbstractCegarLoop]: Abstraction has has 325 places, 480 transitions, 2304 flow [2021-11-20 06:27:24,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.66666666666666) internal successors, (1186), 6 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:24,681 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:24,682 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:27:24,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 06:27:24,682 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:24,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:24,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1478656391, now seen corresponding path program 1 times [2021-11-20 06:27:24,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:24,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340329060] [2021-11-20 06:27:24,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:24,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:24,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:24,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340329060] [2021-11-20 06:27:24,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340329060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:24,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:24,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:27:24,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841686646] [2021-11-20 06:27:24,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:24,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:27:24,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:24,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:27:24,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:27:24,788 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 313 [2021-11-20 06:27:24,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 480 transitions, 2304 flow. Second operand has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:24,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:24,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 313 [2021-11-20 06:27:24,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:25,192 INFO L129 PetriNetUnfolder]: 277/1934 cut-off events. [2021-11-20 06:27:25,193 INFO L130 PetriNetUnfolder]: For 980/1041 co-relation queries the response was YES. [2021-11-20 06:27:25,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3930 conditions, 1934 events. 277/1934 cut-off events. For 980/1041 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 13017 event pairs, 25 based on Foata normal form. 4/1852 useless extension candidates. Maximal degree in co-relation 3838. Up to 272 conditions per place. [2021-11-20 06:27:25,207 INFO L132 encePairwiseOnDemand]: 307/313 looper letters, 15 selfloop transitions, 6 changer transitions 0/420 dead transitions. [2021-11-20 06:27:25,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 420 transitions, 1782 flow [2021-11-20 06:27:25,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:27:25,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:27:25,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2021-11-20 06:27:25,211 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9765708200212992 [2021-11-20 06:27:25,212 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 917 transitions. [2021-11-20 06:27:25,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 917 transitions. [2021-11-20 06:27:25,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:25,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 917 transitions. [2021-11-20 06:27:25,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:25,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:25,219 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:25,219 INFO L186 Difference]: Start difference. First operand has 325 places, 480 transitions, 2304 flow. Second operand 3 states and 917 transitions. [2021-11-20 06:27:25,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 420 transitions, 1782 flow [2021-11-20 06:27:25,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 420 transitions, 1694 flow, removed 44 selfloop flow, removed 0 redundant places. [2021-11-20 06:27:25,241 INFO L242 Difference]: Finished difference. Result has 328 places, 418 transitions, 1674 flow [2021-11-20 06:27:25,242 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=1640, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1674, PETRI_PLACES=328, PETRI_TRANSITIONS=418} [2021-11-20 06:27:25,243 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 12 predicate places. [2021-11-20 06:27:25,243 INFO L470 AbstractCegarLoop]: Abstraction has has 328 places, 418 transitions, 1674 flow [2021-11-20 06:27:25,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:25,244 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:25,244 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:27:25,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 06:27:25,245 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:25,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:25,245 INFO L85 PathProgramCache]: Analyzing trace with hash 324013885, now seen corresponding path program 1 times [2021-11-20 06:27:25,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:25,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802396362] [2021-11-20 06:27:25,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:25,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:25,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:25,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:25,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802396362] [2021-11-20 06:27:25,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802396362] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:25,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:25,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:27:25,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338907017] [2021-11-20 06:27:25,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:25,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:27:25,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:25,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:27:25,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:27:25,416 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 313 [2021-11-20 06:27:25,418 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 418 transitions, 1674 flow. Second operand has 6 states, 6 states have (on average 197.83333333333334) internal successors, (1187), 6 states have internal predecessors, (1187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:25,418 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:25,418 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 313 [2021-11-20 06:27:25,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:27,257 INFO L129 PetriNetUnfolder]: 1230/4325 cut-off events. [2021-11-20 06:27:27,257 INFO L130 PetriNetUnfolder]: For 3311/3340 co-relation queries the response was YES. [2021-11-20 06:27:27,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10902 conditions, 4325 events. 1230/4325 cut-off events. For 3311/3340 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 33115 event pairs, 209 based on Foata normal form. 0/4151 useless extension candidates. Maximal degree in co-relation 10803. Up to 1169 conditions per place. [2021-11-20 06:27:27,300 INFO L132 encePairwiseOnDemand]: 294/313 looper letters, 386 selfloop transitions, 124 changer transitions 4/694 dead transitions. [2021-11-20 06:27:27,300 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 694 transitions, 4268 flow [2021-11-20 06:27:27,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:27:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:27:27,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1421 transitions. [2021-11-20 06:27:27,308 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7566560170394037 [2021-11-20 06:27:27,308 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1421 transitions. [2021-11-20 06:27:27,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1421 transitions. [2021-11-20 06:27:27,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:27,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1421 transitions. [2021-11-20 06:27:27,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 236.83333333333334) internal successors, (1421), 6 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:27,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:27,321 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:27,321 INFO L186 Difference]: Start difference. First operand has 328 places, 418 transitions, 1674 flow. Second operand 6 states and 1421 transitions. [2021-11-20 06:27:27,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 694 transitions, 4268 flow [2021-11-20 06:27:27,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 694 transitions, 4262 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 06:27:27,364 INFO L242 Difference]: Finished difference. Result has 336 places, 520 transitions, 3050 flow [2021-11-20 06:27:27,365 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=1666, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3050, PETRI_PLACES=336, PETRI_TRANSITIONS=520} [2021-11-20 06:27:27,366 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 20 predicate places. [2021-11-20 06:27:27,366 INFO L470 AbstractCegarLoop]: Abstraction has has 336 places, 520 transitions, 3050 flow [2021-11-20 06:27:27,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.83333333333334) internal successors, (1187), 6 states have internal predecessors, (1187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:27,367 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:27,367 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:27:27,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 06:27:27,367 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:27,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:27,368 INFO L85 PathProgramCache]: Analyzing trace with hash 632797486, now seen corresponding path program 1 times [2021-11-20 06:27:27,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:27,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707988595] [2021-11-20 06:27:27,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:27,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:27,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:27,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707988595] [2021-11-20 06:27:27,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707988595] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:27,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:27,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:27:27,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897020439] [2021-11-20 06:27:27,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:27,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:27:27,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:27,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:27:27,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:27:27,527 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 313 [2021-11-20 06:27:27,529 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 520 transitions, 3050 flow. Second operand has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 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) [2021-11-20 06:27:27,529 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:27,529 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 313 [2021-11-20 06:27:27,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:29,118 INFO L129 PetriNetUnfolder]: 1281/4389 cut-off events. [2021-11-20 06:27:29,118 INFO L130 PetriNetUnfolder]: For 6064/6104 co-relation queries the response was YES. [2021-11-20 06:27:29,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12677 conditions, 4389 events. 1281/4389 cut-off events. For 6064/6104 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 33217 event pairs, 469 based on Foata normal form. 0/4261 useless extension candidates. Maximal degree in co-relation 12575. Up to 2356 conditions per place. [2021-11-20 06:27:29,156 INFO L132 encePairwiseOnDemand]: 307/313 looper letters, 420 selfloop transitions, 17 changer transitions 0/619 dead transitions. [2021-11-20 06:27:29,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 619 transitions, 4514 flow [2021-11-20 06:27:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:27:29,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:27:29,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1324 transitions. [2021-11-20 06:27:29,163 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7050053248136315 [2021-11-20 06:27:29,163 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1324 transitions. [2021-11-20 06:27:29,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1324 transitions. [2021-11-20 06:27:29,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:29,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1324 transitions. [2021-11-20 06:27:29,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 220.66666666666666) internal successors, (1324), 6 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:29,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:29,175 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:29,175 INFO L186 Difference]: Start difference. First operand has 336 places, 520 transitions, 3050 flow. Second operand 6 states and 1324 transitions. [2021-11-20 06:27:29,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 619 transitions, 4514 flow [2021-11-20 06:27:29,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 619 transitions, 4496 flow, removed 9 selfloop flow, removed 0 redundant places. [2021-11-20 06:27:29,223 INFO L242 Difference]: Finished difference. Result has 340 places, 519 transitions, 3064 flow [2021-11-20 06:27:29,224 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=3030, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3064, PETRI_PLACES=340, PETRI_TRANSITIONS=519} [2021-11-20 06:27:29,225 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 24 predicate places. [2021-11-20 06:27:29,225 INFO L470 AbstractCegarLoop]: Abstraction has has 340 places, 519 transitions, 3064 flow [2021-11-20 06:27:29,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 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) [2021-11-20 06:27:29,226 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:29,226 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:27:29,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 06:27:29,227 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:29,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:29,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1012259179, now seen corresponding path program 1 times [2021-11-20 06:27:29,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:29,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998532568] [2021-11-20 06:27:29,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:29,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:30,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:30,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:30,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998532568] [2021-11-20 06:27:30,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998532568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:30,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:30,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-11-20 06:27:30,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826559517] [2021-11-20 06:27:30,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:30,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-20 06:27:30,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:30,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-20 06:27:30,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2021-11-20 06:27:30,445 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 313 [2021-11-20 06:27:30,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 519 transitions, 3064 flow. Second operand has 26 states, 26 states have (on average 135.03846153846155) internal successors, (3511), 26 states have internal predecessors, (3511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:30,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:30,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 313 [2021-11-20 06:27:30,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:34,222 INFO L129 PetriNetUnfolder]: 1856/5752 cut-off events. [2021-11-20 06:27:34,223 INFO L130 PetriNetUnfolder]: For 6962/6964 co-relation queries the response was YES. [2021-11-20 06:27:34,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16650 conditions, 5752 events. 1856/5752 cut-off events. For 6962/6964 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 45141 event pairs, 613 based on Foata normal form. 15/5613 useless extension candidates. Maximal degree in co-relation 16526. Up to 2303 conditions per place. [2021-11-20 06:27:34,304 INFO L132 encePairwiseOnDemand]: 275/313 looper letters, 566 selfloop transitions, 135 changer transitions 1/824 dead transitions. [2021-11-20 06:27:34,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 824 transitions, 6198 flow [2021-11-20 06:27:34,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-20 06:27:34,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2021-11-20 06:27:34,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 6402 transitions. [2021-11-20 06:27:34,331 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4446450895957772 [2021-11-20 06:27:34,331 INFO L72 ComplementDD]: Start complementDD. Operand 46 states and 6402 transitions. [2021-11-20 06:27:34,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 6402 transitions. [2021-11-20 06:27:34,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:34,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 46 states and 6402 transitions. [2021-11-20 06:27:34,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 47 states, 46 states have (on average 139.17391304347825) internal successors, (6402), 46 states have internal predecessors, (6402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:34,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 47 states, 47 states have (on average 313.0) internal successors, (14711), 47 states have internal predecessors, (14711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:34,425 INFO L81 ComplementDD]: Finished complementDD. Result has 47 states, 47 states have (on average 313.0) internal successors, (14711), 47 states have internal predecessors, (14711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:34,427 INFO L186 Difference]: Start difference. First operand has 340 places, 519 transitions, 3064 flow. Second operand 46 states and 6402 transitions. [2021-11-20 06:27:34,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 824 transitions, 6198 flow [2021-11-20 06:27:34,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 824 transitions, 6140 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-20 06:27:34,498 INFO L242 Difference]: Finished difference. Result has 395 places, 580 transitions, 3896 flow [2021-11-20 06:27:34,499 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=3030, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=46, PETRI_FLOW=3896, PETRI_PLACES=395, PETRI_TRANSITIONS=580} [2021-11-20 06:27:34,499 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 79 predicate places. [2021-11-20 06:27:34,500 INFO L470 AbstractCegarLoop]: Abstraction has has 395 places, 580 transitions, 3896 flow [2021-11-20 06:27:34,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 135.03846153846155) internal successors, (3511), 26 states have internal predecessors, (3511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:34,501 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:34,501 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:27:34,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 06:27:34,502 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:34,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:34,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1176986028, now seen corresponding path program 1 times [2021-11-20 06:27:34,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:34,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208051694] [2021-11-20 06:27:34,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:34,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:35,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:35,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:35,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208051694] [2021-11-20 06:27:35,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208051694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:35,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:35,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-11-20 06:27:35,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102487665] [2021-11-20 06:27:35,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:35,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-20 06:27:35,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:35,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-20 06:27:35,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2021-11-20 06:27:35,946 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2021-11-20 06:27:35,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 580 transitions, 3896 flow. Second operand has 27 states, 27 states have (on average 136.8148148148148) internal successors, (3694), 27 states have internal predecessors, (3694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:35,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:35,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2021-11-20 06:27:35,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:40,965 INFO L129 PetriNetUnfolder]: 2236/6905 cut-off events. [2021-11-20 06:27:40,965 INFO L130 PetriNetUnfolder]: For 12944/12954 co-relation queries the response was YES. [2021-11-20 06:27:41,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22202 conditions, 6905 events. 2236/6905 cut-off events. For 12944/12954 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 57084 event pairs, 473 based on Foata normal form. 20/6765 useless extension candidates. Maximal degree in co-relation 22056. Up to 1556 conditions per place. [2021-11-20 06:27:41,049 INFO L132 encePairwiseOnDemand]: 270/313 looper letters, 770 selfloop transitions, 187 changer transitions 4/1085 dead transitions. [2021-11-20 06:27:41,050 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 1085 transitions, 9184 flow [2021-11-20 06:27:41,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-20 06:27:41,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2021-11-20 06:27:41,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 5817 transitions. [2021-11-20 06:27:41,063 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.46461661341853033 [2021-11-20 06:27:41,064 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 5817 transitions. [2021-11-20 06:27:41,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 5817 transitions. [2021-11-20 06:27:41,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:41,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 5817 transitions. [2021-11-20 06:27:41,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 41 states, 40 states have (on average 145.425) internal successors, (5817), 40 states have internal predecessors, (5817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:41,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 41 states, 41 states have (on average 313.0) internal successors, (12833), 41 states have internal predecessors, (12833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:41,261 INFO L81 ComplementDD]: Finished complementDD. Result has 41 states, 41 states have (on average 313.0) internal successors, (12833), 41 states have internal predecessors, (12833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:41,261 INFO L186 Difference]: Start difference. First operand has 395 places, 580 transitions, 3896 flow. Second operand 40 states and 5817 transitions. [2021-11-20 06:27:41,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 1085 transitions, 9184 flow [2021-11-20 06:27:41,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 1085 transitions, 9045 flow, removed 50 selfloop flow, removed 16 redundant places. [2021-11-20 06:27:41,366 INFO L242 Difference]: Finished difference. Result has 432 places, 682 transitions, 5586 flow [2021-11-20 06:27:41,367 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=3804, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=40, PETRI_FLOW=5586, PETRI_PLACES=432, PETRI_TRANSITIONS=682} [2021-11-20 06:27:41,367 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 116 predicate places. [2021-11-20 06:27:41,367 INFO L470 AbstractCegarLoop]: Abstraction has has 432 places, 682 transitions, 5586 flow [2021-11-20 06:27:41,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 136.8148148148148) internal successors, (3694), 27 states have internal predecessors, (3694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:41,369 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:41,369 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:27:41,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-20 06:27:41,369 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:41,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:41,370 INFO L85 PathProgramCache]: Analyzing trace with hash -263952228, now seen corresponding path program 2 times [2021-11-20 06:27:41,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:41,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248901072] [2021-11-20 06:27:41,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:41,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:42,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:42,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:42,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248901072] [2021-11-20 06:27:42,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248901072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:42,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:42,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-11-20 06:27:42,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048570696] [2021-11-20 06:27:42,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:42,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-20 06:27:42,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:42,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-20 06:27:42,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2021-11-20 06:27:42,391 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2021-11-20 06:27:42,395 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 682 transitions, 5586 flow. Second operand has 26 states, 26 states have (on average 137.0) internal successors, (3562), 26 states have internal predecessors, (3562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:42,395 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:42,395 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2021-11-20 06:27:42,395 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:47,846 INFO L129 PetriNetUnfolder]: 2337/7198 cut-off events. [2021-11-20 06:27:47,846 INFO L130 PetriNetUnfolder]: For 18921/18931 co-relation queries the response was YES. [2021-11-20 06:27:47,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24992 conditions, 7198 events. 2337/7198 cut-off events. For 18921/18931 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 59804 event pairs, 392 based on Foata normal form. 25/7072 useless extension candidates. Maximal degree in co-relation 24829. Up to 1381 conditions per place. [2021-11-20 06:27:47,931 INFO L132 encePairwiseOnDemand]: 274/313 looper letters, 709 selfloop transitions, 217 changer transitions 4/1054 dead transitions. [2021-11-20 06:27:47,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 1054 transitions, 9818 flow [2021-11-20 06:27:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-20 06:27:47,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-11-20 06:27:47,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 6694 transitions. [2021-11-20 06:27:47,947 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.45503364829039494 [2021-11-20 06:27:47,947 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 6694 transitions. [2021-11-20 06:27:47,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 6694 transitions. [2021-11-20 06:27:47,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:47,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 6694 transitions. [2021-11-20 06:27:47,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 142.4255319148936) internal successors, (6694), 47 states have internal predecessors, (6694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:47,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 313.0) internal successors, (15024), 48 states have internal predecessors, (15024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:47,989 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 313.0) internal successors, (15024), 48 states have internal predecessors, (15024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:47,989 INFO L186 Difference]: Start difference. First operand has 432 places, 682 transitions, 5586 flow. Second operand 47 states and 6694 transitions. [2021-11-20 06:27:47,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 1054 transitions, 9818 flow [2021-11-20 06:27:48,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 1054 transitions, 9751 flow, removed 14 selfloop flow, removed 18 redundant places. [2021-11-20 06:27:48,214 INFO L242 Difference]: Finished difference. Result has 473 places, 738 transitions, 6726 flow [2021-11-20 06:27:48,216 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=5533, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=682, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=6726, PETRI_PLACES=473, PETRI_TRANSITIONS=738} [2021-11-20 06:27:48,216 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 157 predicate places. [2021-11-20 06:27:48,216 INFO L470 AbstractCegarLoop]: Abstraction has has 473 places, 738 transitions, 6726 flow [2021-11-20 06:27:48,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 137.0) internal successors, (3562), 26 states have internal predecessors, (3562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:48,218 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:48,218 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:27:48,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 06:27:48,219 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:48,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:48,220 INFO L85 PathProgramCache]: Analyzing trace with hash 500070222, now seen corresponding path program 3 times [2021-11-20 06:27:48,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:48,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620869334] [2021-11-20 06:27:48,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:48,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:49,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:49,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:49,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620869334] [2021-11-20 06:27:49,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620869334] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:49,430 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:49,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-20 06:27:49,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636814389] [2021-11-20 06:27:49,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:49,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-20 06:27:49,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:49,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-20 06:27:49,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2021-11-20 06:27:49,434 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 313 [2021-11-20 06:27:49,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 738 transitions, 6726 flow. Second operand has 25 states, 25 states have (on average 138.16) internal successors, (3454), 25 states have internal predecessors, (3454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:49,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:49,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 313 [2021-11-20 06:27:49,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:55,267 INFO L129 PetriNetUnfolder]: 2796/8429 cut-off events. [2021-11-20 06:27:55,267 INFO L130 PetriNetUnfolder]: For 29722/29732 co-relation queries the response was YES. [2021-11-20 06:27:55,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32152 conditions, 8429 events. 2796/8429 cut-off events. For 29722/29732 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 72726 event pairs, 579 based on Foata normal form. 25/8275 useless extension candidates. Maximal degree in co-relation 31972. Up to 2006 conditions per place. [2021-11-20 06:27:55,347 INFO L132 encePairwiseOnDemand]: 274/313 looper letters, 818 selfloop transitions, 219 changer transitions 3/1166 dead transitions. [2021-11-20 06:27:55,347 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 1166 transitions, 12241 flow [2021-11-20 06:27:55,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-20 06:27:55,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-11-20 06:27:55,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 5122 transitions. [2021-11-20 06:27:55,358 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4675490643541762 [2021-11-20 06:27:55,359 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 5122 transitions. [2021-11-20 06:27:55,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 5122 transitions. [2021-11-20 06:27:55,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:55,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 5122 transitions. [2021-11-20 06:27:55,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 146.34285714285716) internal successors, (5122), 35 states have internal predecessors, (5122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:55,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 313.0) internal successors, (11268), 36 states have internal predecessors, (11268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:55,388 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 313.0) internal successors, (11268), 36 states have internal predecessors, (11268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:55,388 INFO L186 Difference]: Start difference. First operand has 473 places, 738 transitions, 6726 flow. Second operand 35 states and 5122 transitions. [2021-11-20 06:27:55,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 1166 transitions, 12241 flow [2021-11-20 06:27:55,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 1166 transitions, 12010 flow, removed 29 selfloop flow, removed 30 redundant places. [2021-11-20 06:27:55,876 INFO L242 Difference]: Finished difference. Result has 485 places, 816 transitions, 8510 flow [2021-11-20 06:27:55,877 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=6539, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=738, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=8510, PETRI_PLACES=485, PETRI_TRANSITIONS=816} [2021-11-20 06:27:55,877 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 169 predicate places. [2021-11-20 06:27:55,877 INFO L470 AbstractCegarLoop]: Abstraction has has 485 places, 816 transitions, 8510 flow [2021-11-20 06:27:55,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 138.16) internal successors, (3454), 25 states have internal predecessors, (3454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:55,878 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:55,879 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:27:55,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 06:27:55,879 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:27:55,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:55,880 INFO L85 PathProgramCache]: Analyzing trace with hash -964228804, now seen corresponding path program 4 times [2021-11-20 06:27:55,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:55,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324229370] [2021-11-20 06:27:55,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:55,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:57,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:57,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324229370] [2021-11-20 06:27:57,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324229370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:57,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:57,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-20 06:27:57,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525823247] [2021-11-20 06:27:57,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:57,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-20 06:27:57,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:57,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-20 06:27:57,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2021-11-20 06:27:57,128 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 313 [2021-11-20 06:27:57,132 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 816 transitions, 8510 flow. Second operand has 25 states, 25 states have (on average 138.16) internal successors, (3454), 25 states have internal predecessors, (3454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:27:57,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:57,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 313 [2021-11-20 06:27:57,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:28:03,495 INFO L129 PetriNetUnfolder]: 3299/9847 cut-off events. [2021-11-20 06:28:03,495 INFO L130 PetriNetUnfolder]: For 45279/45293 co-relation queries the response was YES. [2021-11-20 06:28:03,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39715 conditions, 9847 events. 3299/9847 cut-off events. For 45279/45293 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 87999 event pairs, 591 based on Foata normal form. 29/9686 useless extension candidates. Maximal degree in co-relation 39525. Up to 1941 conditions per place. [2021-11-20 06:28:03,619 INFO L132 encePairwiseOnDemand]: 273/313 looper letters, 882 selfloop transitions, 282 changer transitions 3/1293 dead transitions. [2021-11-20 06:28:03,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 1293 transitions, 15175 flow [2021-11-20 06:28:03,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-20 06:28:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-11-20 06:28:03,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 5542 transitions. [2021-11-20 06:28:03,632 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4659492180931562 [2021-11-20 06:28:03,632 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 5542 transitions. [2021-11-20 06:28:03,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 5542 transitions. [2021-11-20 06:28:03,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:28:03,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 5542 transitions. [2021-11-20 06:28:03,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 145.8421052631579) internal successors, (5542), 38 states have internal predecessors, (5542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:03,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 313.0) internal successors, (12207), 39 states have internal predecessors, (12207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:03,666 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 313.0) internal successors, (12207), 39 states have internal predecessors, (12207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:03,666 INFO L186 Difference]: Start difference. First operand has 485 places, 816 transitions, 8510 flow. Second operand 38 states and 5542 transitions. [2021-11-20 06:28:03,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 1293 transitions, 15175 flow [2021-11-20 06:28:03,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 1293 transitions, 15062 flow, removed 22 selfloop flow, removed 20 redundant places. [2021-11-20 06:28:04,012 INFO L242 Difference]: Finished difference. Result has 515 places, 914 transitions, 11170 flow [2021-11-20 06:28:04,013 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=8423, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=816, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=11170, PETRI_PLACES=515, PETRI_TRANSITIONS=914} [2021-11-20 06:28:04,014 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 199 predicate places. [2021-11-20 06:28:04,014 INFO L470 AbstractCegarLoop]: Abstraction has has 515 places, 914 transitions, 11170 flow [2021-11-20 06:28:04,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 138.16) internal successors, (3454), 25 states have internal predecessors, (3454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:04,015 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:28:04,016 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:28:04,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-20 06:28:04,016 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:28:04,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:28:04,017 INFO L85 PathProgramCache]: Analyzing trace with hash 22649096, now seen corresponding path program 5 times [2021-11-20 06:28:04,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:28:04,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977822238] [2021-11-20 06:28:04,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:28:04,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:28:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:28:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:28:05,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:28:05,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977822238] [2021-11-20 06:28:05,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977822238] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:28:05,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:28:05,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-11-20 06:28:05,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74791611] [2021-11-20 06:28:05,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:28:05,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-20 06:28:05,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:28:05,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-20 06:28:05,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=617, Unknown=0, NotChecked=0, Total=702 [2021-11-20 06:28:05,307 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 313 [2021-11-20 06:28:05,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 914 transitions, 11170 flow. Second operand has 27 states, 27 states have (on average 137.77777777777777) internal successors, (3720), 27 states have internal predecessors, (3720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:05,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:28:05,311 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 313 [2021-11-20 06:28:05,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:28:13,331 INFO L129 PetriNetUnfolder]: 3743/11137 cut-off events. [2021-11-20 06:28:13,331 INFO L130 PetriNetUnfolder]: For 66789/66803 co-relation queries the response was YES. [2021-11-20 06:28:13,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47534 conditions, 11137 events. 3743/11137 cut-off events. For 66789/66803 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 102864 event pairs, 630 based on Foata normal form. 29/10963 useless extension candidates. Maximal degree in co-relation 47328. Up to 2502 conditions per place. [2021-11-20 06:28:13,475 INFO L132 encePairwiseOnDemand]: 269/313 looper letters, 890 selfloop transitions, 338 changer transitions 3/1357 dead transitions. [2021-11-20 06:28:13,476 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 1357 transitions, 17749 flow [2021-11-20 06:28:13,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-20 06:28:13,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-11-20 06:28:13,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 5931 transitions. [2021-11-20 06:28:13,485 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4621678485155459 [2021-11-20 06:28:13,485 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 5931 transitions. [2021-11-20 06:28:13,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 5931 transitions. [2021-11-20 06:28:13,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:28:13,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 5931 transitions. [2021-11-20 06:28:13,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 144.65853658536585) internal successors, (5931), 41 states have internal predecessors, (5931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:13,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 313.0) internal successors, (13146), 42 states have internal predecessors, (13146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:13,509 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 313.0) internal successors, (13146), 42 states have internal predecessors, (13146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:13,510 INFO L186 Difference]: Start difference. First operand has 515 places, 914 transitions, 11170 flow. Second operand 41 states and 5931 transitions. [2021-11-20 06:28:13,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 1357 transitions, 17749 flow [2021-11-20 06:28:14,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 1357 transitions, 17608 flow, removed 50 selfloop flow, removed 18 redundant places. [2021-11-20 06:28:14,176 INFO L242 Difference]: Finished difference. Result has 548 places, 990 transitions, 13895 flow [2021-11-20 06:28:14,177 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=11035, PETRI_DIFFERENCE_MINUEND_PLACES=497, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=914, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=263, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=593, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=13895, PETRI_PLACES=548, PETRI_TRANSITIONS=990} [2021-11-20 06:28:14,178 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 232 predicate places. [2021-11-20 06:28:14,178 INFO L470 AbstractCegarLoop]: Abstraction has has 548 places, 990 transitions, 13895 flow [2021-11-20 06:28:14,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 137.77777777777777) internal successors, (3720), 27 states have internal predecessors, (3720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:14,179 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:28:14,179 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:28:14,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 06:28:14,179 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:28:14,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:28:14,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1616213939, now seen corresponding path program 1 times [2021-11-20 06:28:14,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:28:14,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286137297] [2021-11-20 06:28:14,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:28:14,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:28:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:28:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:28:14,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:28:14,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286137297] [2021-11-20 06:28:14,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286137297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:28:14,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:28:14,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:28:14,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103970769] [2021-11-20 06:28:14,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:28:14,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:28:14,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:28:14,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:28:14,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:28:14,292 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 313 [2021-11-20 06:28:14,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 990 transitions, 13895 flow. Second operand has 6 states, 6 states have (on average 200.16666666666666) internal successors, (1201), 6 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:14,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:28:14,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 313 [2021-11-20 06:28:14,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:28:19,365 INFO L129 PetriNetUnfolder]: 3034/10100 cut-off events. [2021-11-20 06:28:19,365 INFO L130 PetriNetUnfolder]: For 72234/72488 co-relation queries the response was YES. [2021-11-20 06:28:19,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44167 conditions, 10100 events. 3034/10100 cut-off events. For 72234/72488 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 95821 event pairs, 1056 based on Foata normal form. 106/10059 useless extension candidates. Maximal degree in co-relation 43966. Up to 5822 conditions per place. [2021-11-20 06:28:19,694 INFO L132 encePairwiseOnDemand]: 290/313 looper letters, 635 selfloop transitions, 95 changer transitions 105/1124 dead transitions. [2021-11-20 06:28:19,694 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 553 places, 1124 transitions, 16727 flow [2021-11-20 06:28:19,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:28:19,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:28:19,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1331 transitions. [2021-11-20 06:28:19,697 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7087326943556975 [2021-11-20 06:28:19,697 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1331 transitions. [2021-11-20 06:28:19,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1331 transitions. [2021-11-20 06:28:19,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:28:19,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1331 transitions. [2021-11-20 06:28:19,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 221.83333333333334) internal successors, (1331), 6 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:19,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:19,703 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:19,703 INFO L186 Difference]: Start difference. First operand has 548 places, 990 transitions, 13895 flow. Second operand 6 states and 1331 transitions. [2021-11-20 06:28:19,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 553 places, 1124 transitions, 16727 flow [2021-11-20 06:28:20,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 1124 transitions, 16591 flow, removed 40 selfloop flow, removed 23 redundant places. [2021-11-20 06:28:20,309 INFO L242 Difference]: Finished difference. Result has 535 places, 986 transitions, 13383 flow [2021-11-20 06:28:20,310 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=13759, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=990, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=943, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=13383, PETRI_PLACES=535, PETRI_TRANSITIONS=986} [2021-11-20 06:28:20,310 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 219 predicate places. [2021-11-20 06:28:20,310 INFO L470 AbstractCegarLoop]: Abstraction has has 535 places, 986 transitions, 13383 flow [2021-11-20 06:28:20,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.16666666666666) internal successors, (1201), 6 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:20,311 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:28:20,311 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:28:20,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-20 06:28:20,311 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:28:20,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:28:20,312 INFO L85 PathProgramCache]: Analyzing trace with hash -147656888, now seen corresponding path program 1 times [2021-11-20 06:28:20,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:28:20,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977881391] [2021-11-20 06:28:20,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:28:20,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:28:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:28:21,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:28:21,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:28:21,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977881391] [2021-11-20 06:28:21,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977881391] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:28:21,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:28:21,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-11-20 06:28:21,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281068096] [2021-11-20 06:28:21,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:28:21,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-20 06:28:21,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:28:21,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-20 06:28:21,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=572, Unknown=0, NotChecked=0, Total=650 [2021-11-20 06:28:21,588 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2021-11-20 06:28:21,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 986 transitions, 13383 flow. Second operand has 26 states, 26 states have (on average 137.19230769230768) internal successors, (3567), 26 states have internal predecessors, (3567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:21,591 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:28:21,591 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2021-11-20 06:28:21,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:28:30,956 INFO L129 PetriNetUnfolder]: 3694/10930 cut-off events. [2021-11-20 06:28:30,956 INFO L130 PetriNetUnfolder]: For 88121/88126 co-relation queries the response was YES. [2021-11-20 06:28:31,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51257 conditions, 10930 events. 3694/10930 cut-off events. For 88121/88126 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 99037 event pairs, 606 based on Foata normal form. 10/10863 useless extension candidates. Maximal degree in co-relation 51038. Up to 2093 conditions per place. [2021-11-20 06:28:31,205 INFO L132 encePairwiseOnDemand]: 275/313 looper letters, 893 selfloop transitions, 272 changer transitions 28/1317 dead transitions. [2021-11-20 06:28:31,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 1317 transitions, 18457 flow [2021-11-20 06:28:31,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-20 06:28:31,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2021-11-20 06:28:31,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 6004 transitions. [2021-11-20 06:28:31,220 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4567168720523353 [2021-11-20 06:28:31,221 INFO L72 ComplementDD]: Start complementDD. Operand 42 states and 6004 transitions. [2021-11-20 06:28:31,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 6004 transitions. [2021-11-20 06:28:31,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:28:31,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 42 states and 6004 transitions. [2021-11-20 06:28:31,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 43 states, 42 states have (on average 142.95238095238096) internal successors, (6004), 42 states have internal predecessors, (6004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:31,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 43 states, 43 states have (on average 313.0) internal successors, (13459), 43 states have internal predecessors, (13459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:31,257 INFO L81 ComplementDD]: Finished complementDD. Result has 43 states, 43 states have (on average 313.0) internal successors, (13459), 43 states have internal predecessors, (13459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:31,258 INFO L186 Difference]: Start difference. First operand has 535 places, 986 transitions, 13383 flow. Second operand 42 states and 6004 transitions. [2021-11-20 06:28:31,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 1317 transitions, 18457 flow [2021-11-20 06:28:32,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 1317 transitions, 17923 flow, removed 199 selfloop flow, removed 11 redundant places. [2021-11-20 06:28:32,158 INFO L242 Difference]: Finished difference. Result has 544 places, 995 transitions, 13878 flow [2021-11-20 06:28:32,159 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=13007, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=986, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=263, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=714, PETRI_DIFFERENCE_SUBTRAHEND_STATES=42, PETRI_FLOW=13878, PETRI_PLACES=544, PETRI_TRANSITIONS=995} [2021-11-20 06:28:32,160 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 228 predicate places. [2021-11-20 06:28:32,160 INFO L470 AbstractCegarLoop]: Abstraction has has 544 places, 995 transitions, 13878 flow [2021-11-20 06:28:32,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 137.19230769230768) internal successors, (3567), 26 states have internal predecessors, (3567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:32,161 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:28:32,162 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:28:32,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-20 06:28:32,162 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:28:32,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:28:32,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1394701110, now seen corresponding path program 2 times [2021-11-20 06:28:32,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:28:32,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701976848] [2021-11-20 06:28:32,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:28:32,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:28:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:28:34,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:28:34,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:28:34,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701976848] [2021-11-20 06:28:34,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701976848] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:28:34,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:28:34,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-11-20 06:28:34,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832113559] [2021-11-20 06:28:34,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:28:34,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-20 06:28:34,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:28:34,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-20 06:28:34,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2021-11-20 06:28:34,441 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2021-11-20 06:28:34,444 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 995 transitions, 13878 flow. Second operand has 28 states, 28 states have (on average 136.82142857142858) internal successors, (3831), 28 states have internal predecessors, (3831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:34,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:28:34,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2021-11-20 06:28:34,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:28:46,514 INFO L129 PetriNetUnfolder]: 5298/16014 cut-off events. [2021-11-20 06:28:46,515 INFO L130 PetriNetUnfolder]: For 125172/125183 co-relation queries the response was YES. [2021-11-20 06:28:46,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74308 conditions, 16014 events. 5298/16014 cut-off events. For 125172/125183 co-relation queries the response was YES. Maximal size of possible extension queue 547. Compared 164897 event pairs, 1135 based on Foata normal form. 10/15840 useless extension candidates. Maximal degree in co-relation 74089. Up to 2394 conditions per place. [2021-11-20 06:28:47,008 INFO L132 encePairwiseOnDemand]: 275/313 looper letters, 1004 selfloop transitions, 340 changer transitions 59/1527 dead transitions. [2021-11-20 06:28:47,008 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 1527 transitions, 22049 flow [2021-11-20 06:28:47,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-20 06:28:47,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-11-20 06:28:47,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 7663 transitions. [2021-11-20 06:28:47,021 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.45337829842622174 [2021-11-20 06:28:47,022 INFO L72 ComplementDD]: Start complementDD. Operand 54 states and 7663 transitions. [2021-11-20 06:28:47,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 7663 transitions. [2021-11-20 06:28:47,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:28:47,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 54 states and 7663 transitions. [2021-11-20 06:28:47,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 55 states, 54 states have (on average 141.90740740740742) internal successors, (7663), 54 states have internal predecessors, (7663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:47,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 55 states, 55 states have (on average 313.0) internal successors, (17215), 55 states have internal predecessors, (17215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:47,056 INFO L81 ComplementDD]: Finished complementDD. Result has 55 states, 55 states have (on average 313.0) internal successors, (17215), 55 states have internal predecessors, (17215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:47,056 INFO L186 Difference]: Start difference. First operand has 544 places, 995 transitions, 13878 flow. Second operand 54 states and 7663 transitions. [2021-11-20 06:28:47,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 1527 transitions, 22049 flow [2021-11-20 06:28:47,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 1527 transitions, 21546 flow, removed 19 selfloop flow, removed 37 redundant places. [2021-11-20 06:28:47,941 INFO L242 Difference]: Finished difference. Result has 570 places, 1090 transitions, 16376 flow [2021-11-20 06:28:47,942 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=13471, PETRI_DIFFERENCE_MINUEND_PLACES=507, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=995, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=249, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=722, PETRI_DIFFERENCE_SUBTRAHEND_STATES=54, PETRI_FLOW=16376, PETRI_PLACES=570, PETRI_TRANSITIONS=1090} [2021-11-20 06:28:47,942 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 254 predicate places. [2021-11-20 06:28:47,942 INFO L470 AbstractCegarLoop]: Abstraction has has 570 places, 1090 transitions, 16376 flow [2021-11-20 06:28:47,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 136.82142857142858) internal successors, (3831), 28 states have internal predecessors, (3831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:47,943 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:28:47,944 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:28:47,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-20 06:28:47,944 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:28:47,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:28:47,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1031169134, now seen corresponding path program 3 times [2021-11-20 06:28:47,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:28:47,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872677759] [2021-11-20 06:28:47,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:28:47,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:28:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:28:49,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:28:49,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:28:49,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872677759] [2021-11-20 06:28:49,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872677759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:28:49,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:28:49,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-11-20 06:28:49,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577873633] [2021-11-20 06:28:49,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:28:49,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-20 06:28:49,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:28:49,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-20 06:28:49,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2021-11-20 06:28:49,359 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2021-11-20 06:28:49,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 570 places, 1090 transitions, 16376 flow. Second operand has 27 states, 27 states have (on average 137.0) internal successors, (3699), 27 states have internal predecessors, (3699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:28:49,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:28:49,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2021-11-20 06:28:49,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:29:03,664 INFO L129 PetriNetUnfolder]: 6012/17954 cut-off events. [2021-11-20 06:29:03,664 INFO L130 PetriNetUnfolder]: For 153527/153531 co-relation queries the response was YES. [2021-11-20 06:29:04,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87158 conditions, 17954 events. 6012/17954 cut-off events. For 153527/153531 co-relation queries the response was YES. Maximal size of possible extension queue 673. Compared 191623 event pairs, 949 based on Foata normal form. 9/17750 useless extension candidates. Maximal degree in co-relation 86929. Up to 2532 conditions per place. [2021-11-20 06:29:04,069 INFO L132 encePairwiseOnDemand]: 269/313 looper letters, 925 selfloop transitions, 637 changer transitions 43/1729 dead transitions. [2021-11-20 06:29:04,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 625 places, 1729 transitions, 26024 flow [2021-11-20 06:29:04,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-11-20 06:29:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-11-20 06:29:04,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 8445 transitions. [2021-11-20 06:29:04,077 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4573022147614664 [2021-11-20 06:29:04,078 INFO L72 ComplementDD]: Start complementDD. Operand 59 states and 8445 transitions. [2021-11-20 06:29:04,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 8445 transitions. [2021-11-20 06:29:04,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:29:04,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 59 states and 8445 transitions. [2021-11-20 06:29:04,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 60 states, 59 states have (on average 143.135593220339) internal successors, (8445), 59 states have internal predecessors, (8445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:29:04,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 60 states, 60 states have (on average 313.0) internal successors, (18780), 60 states have internal predecessors, (18780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:29:04,112 INFO L81 ComplementDD]: Finished complementDD. Result has 60 states, 60 states have (on average 313.0) internal successors, (18780), 60 states have internal predecessors, (18780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:29:04,112 INFO L186 Difference]: Start difference. First operand has 570 places, 1090 transitions, 16376 flow. Second operand 59 states and 8445 transitions. [2021-11-20 06:29:04,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 625 places, 1729 transitions, 26024 flow [2021-11-20 06:29:05,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 1729 transitions, 25462 flow, removed 55 selfloop flow, removed 37 redundant places. [2021-11-20 06:29:05,788 INFO L242 Difference]: Finished difference. Result has 600 places, 1222 transitions, 20542 flow [2021-11-20 06:29:05,789 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=15928, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1090, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=517, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=548, PETRI_DIFFERENCE_SUBTRAHEND_STATES=59, PETRI_FLOW=20542, PETRI_PLACES=600, PETRI_TRANSITIONS=1222} [2021-11-20 06:29:05,790 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 284 predicate places. [2021-11-20 06:29:05,790 INFO L470 AbstractCegarLoop]: Abstraction has has 600 places, 1222 transitions, 20542 flow [2021-11-20 06:29:05,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 137.0) internal successors, (3699), 27 states have internal predecessors, (3699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:29:05,791 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:29:05,792 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:29:05,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-20 06:29:05,792 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:29:05,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:29:05,793 INFO L85 PathProgramCache]: Analyzing trace with hash -388934614, now seen corresponding path program 4 times [2021-11-20 06:29:05,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:29:05,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005810066] [2021-11-20 06:29:05,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:29:05,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:29:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:29:07,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:29:07,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005810066] [2021-11-20 06:29:07,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005810066] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:29:07,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:29:07,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-11-20 06:29:07,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207239221] [2021-11-20 06:29:07,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:29:07,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-20 06:29:07,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:29:07,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-20 06:29:07,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2021-11-20 06:29:07,204 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 313 [2021-11-20 06:29:07,207 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 600 places, 1222 transitions, 20542 flow. Second operand has 27 states, 27 states have (on average 137.96296296296296) internal successors, (3725), 27 states have internal predecessors, (3725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:29:07,208 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:29:07,208 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 313 [2021-11-20 06:29:07,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:29:19,989 INFO L129 PetriNetUnfolder]: 5983/17537 cut-off events. [2021-11-20 06:29:19,989 INFO L130 PetriNetUnfolder]: For 174904/174908 co-relation queries the response was YES. [2021-11-20 06:29:20,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90929 conditions, 17537 events. 5983/17537 cut-off events. For 174904/174908 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 184317 event pairs, 1563 based on Foata normal form. 9/17228 useless extension candidates. Maximal degree in co-relation 90688. Up to 6208 conditions per place. [2021-11-20 06:29:20,394 INFO L132 encePairwiseOnDemand]: 269/313 looper letters, 1009 selfloop transitions, 400 changer transitions 24/1559 dead transitions. [2021-11-20 06:29:20,394 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 636 places, 1559 transitions, 26747 flow [2021-11-20 06:29:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-20 06:29:20,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-11-20 06:29:20,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 5325 transitions. [2021-11-20 06:29:20,400 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4598048527760988 [2021-11-20 06:29:20,401 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 5325 transitions. [2021-11-20 06:29:20,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 5325 transitions. [2021-11-20 06:29:20,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:29:20,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 5325 transitions. [2021-11-20 06:29:20,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 143.9189189189189) internal successors, (5325), 37 states have internal predecessors, (5325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:29:20,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 313.0) internal successors, (11894), 38 states have internal predecessors, (11894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:29:20,426 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 313.0) internal successors, (11894), 38 states have internal predecessors, (11894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:29:20,426 INFO L186 Difference]: Start difference. First operand has 600 places, 1222 transitions, 20542 flow. Second operand 37 states and 5325 transitions. [2021-11-20 06:29:20,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 636 places, 1559 transitions, 26747 flow [2021-11-20 06:29:22,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 1559 transitions, 26016 flow, removed 112 selfloop flow, removed 50 redundant places. [2021-11-20 06:29:22,705 INFO L242 Difference]: Finished difference. Result has 589 places, 1241 transitions, 21745 flow [2021-11-20 06:29:22,707 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=19858, PETRI_DIFFERENCE_MINUEND_PLACES=550, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=381, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=822, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=21745, PETRI_PLACES=589, PETRI_TRANSITIONS=1241} [2021-11-20 06:29:22,707 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 273 predicate places. [2021-11-20 06:29:22,707 INFO L470 AbstractCegarLoop]: Abstraction has has 589 places, 1241 transitions, 21745 flow [2021-11-20 06:29:22,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 137.96296296296296) internal successors, (3725), 27 states have internal predecessors, (3725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:29:22,708 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:29:22,709 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:29:22,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-20 06:29:22,709 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-20 06:29:22,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:29:22,710 INFO L85 PathProgramCache]: Analyzing trace with hash 493009444, now seen corresponding path program 5 times [2021-11-20 06:29:22,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:29:22,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164832034] [2021-11-20 06:29:22,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:29:22,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:29:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:29:23,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:29:23,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164832034] [2021-11-20 06:29:23,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164832034] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:29:23,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:29:23,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-20 06:29:23,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628052858] [2021-11-20 06:29:23,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:29:23,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-20 06:29:23,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:29:23,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-20 06:29:23,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2021-11-20 06:29:23,950 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 313 [2021-11-20 06:29:23,953 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 1241 transitions, 21745 flow. Second operand has 25 states, 25 states have (on average 138.36) internal successors, (3459), 25 states have internal predecessors, (3459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:29:23,954 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:29:23,954 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 313 [2021-11-20 06:29:23,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:29:36,593 INFO L129 PetriNetUnfolder]: 5996/17593 cut-off events. [2021-11-20 06:29:36,593 INFO L130 PetriNetUnfolder]: For 188794/188798 co-relation queries the response was YES. [2021-11-20 06:29:36,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91452 conditions, 17593 events. 5996/17593 cut-off events. For 188794/188798 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 185048 event pairs, 1539 based on Foata normal form. 9/17278 useless extension candidates. Maximal degree in co-relation 91220. Up to 4837 conditions per place. [2021-11-20 06:29:36,971 INFO L132 encePairwiseOnDemand]: 274/313 looper letters, 1052 selfloop transitions, 387 changer transitions 24/1589 dead transitions. [2021-11-20 06:29:36,971 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 622 places, 1589 transitions, 27976 flow [2021-11-20 06:29:36,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-20 06:29:36,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-11-20 06:29:36,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 4946 transitions. [2021-11-20 06:29:36,976 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.46476226273256904 [2021-11-20 06:29:36,976 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 4946 transitions. [2021-11-20 06:29:36,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 4946 transitions. [2021-11-20 06:29:36,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:29:36,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 4946 transitions. [2021-11-20 06:29:36,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 145.47058823529412) internal successors, (4946), 34 states have internal predecessors, (4946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:29:36,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 313.0) internal successors, (10955), 35 states have internal predecessors, (10955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:29:36,993 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 313.0) internal successors, (10955), 35 states have internal predecessors, (10955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:29:36,993 INFO L186 Difference]: Start difference. First operand has 589 places, 1241 transitions, 21745 flow. Second operand 34 states and 4946 transitions. [2021-11-20 06:29:36,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 622 places, 1589 transitions, 27976 flow