./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:25:46,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:25:46,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:25:46,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:25:46,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:25:46,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:25:46,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:25:46,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:25:46,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:25:46,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:25:46,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:25:46,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:25:46,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:25:46,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:25:46,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:25:46,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:25:46,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:25:46,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:25:46,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:25:46,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:25:46,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:25:46,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:25:46,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:25:46,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:25:46,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:25:46,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:25:46,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:25:46,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:25:46,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:25:46,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:25:46,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:25:46,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:25:46,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:25:46,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:25:46,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:25:46,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:25:46,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:25:46,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:25:46,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:25:46,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:25:46,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:25:46,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 20:25:46,758 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:25:46,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:25:46,759 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:25:46,759 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:25:46,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:25:46,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:25:46,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:25:46,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:25:46,761 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:25:46,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:25:46,763 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:25:46,763 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:25:46,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:25:46,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:25:46,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:25:46,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:25:46,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:25:46,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:25:46,765 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 20:25:46,765 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:25:46,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:25:46,766 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:25:46,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:25:46,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:25:46,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:25:46,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:25:46,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:25:46,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:25:46,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:25:46,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:25:46,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:25:46,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:25:46,769 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:25:46,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:25:46,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:25:46,769 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_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c [2022-11-18 20:25:47,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:25:47,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:25:47,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:25:47,084 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:25:47,085 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:25:47,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2022-11-18 20:25:47,161 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/data/299204d2c/fa01691fe47f4de4b528c8af0aabb914/FLAGc9e48f88d [2022-11-18 20:25:47,717 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:25:47,718 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2022-11-18 20:25:47,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/data/299204d2c/fa01691fe47f4de4b528c8af0aabb914/FLAGc9e48f88d [2022-11-18 20:25:48,026 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/data/299204d2c/fa01691fe47f4de4b528c8af0aabb914 [2022-11-18 20:25:48,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:25:48,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:25:48,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:25:48,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:25:48,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:25:48,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:25:48" (1/1) ... [2022-11-18 20:25:48,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a498a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:48, skipping insertion in model container [2022-11-18 20:25:48,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:25:48" (1/1) ... [2022-11-18 20:25:48,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:25:48,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:25:48,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:25:48,722 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:25:48,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:25:48,833 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:25:48,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:48 WrapperNode [2022-11-18 20:25:48,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:25:48,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:25:48,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:25:48,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:25:48,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:48" (1/1) ... [2022-11-18 20:25:48,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:48" (1/1) ... [2022-11-18 20:25:48,920 INFO L138 Inliner]: procedures = 263, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 84 [2022-11-18 20:25:48,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:25:48,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:25:48,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:25:48,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:25:48,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:48" (1/1) ... [2022-11-18 20:25:48,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:48" (1/1) ... [2022-11-18 20:25:48,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:48" (1/1) ... [2022-11-18 20:25:48,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:48" (1/1) ... [2022-11-18 20:25:48,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:48" (1/1) ... [2022-11-18 20:25:48,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:48" (1/1) ... [2022-11-18 20:25:48,975 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:48" (1/1) ... [2022-11-18 20:25:48,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:48" (1/1) ... [2022-11-18 20:25:48,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:25:48,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:25:48,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:25:48,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:25:48,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:48" (1/1) ... [2022-11-18 20:25:48,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:25:49,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:49,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:25:49,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:25:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:25:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:25:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:25:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:25:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 20:25:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:25:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 20:25:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 20:25:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:25:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:25:49,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:25:49,085 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:25:49,265 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:25:49,267 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:25:49,538 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:25:49,545 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:25:49,546 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:25:49,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:25:49 BoogieIcfgContainer [2022-11-18 20:25:49,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:25:49,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:25:49,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:25:49,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:25:49,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:25:48" (1/3) ... [2022-11-18 20:25:49,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1535f8ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:25:49, skipping insertion in model container [2022-11-18 20:25:49,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:48" (2/3) ... [2022-11-18 20:25:49,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1535f8ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:25:49, skipping insertion in model container [2022-11-18 20:25:49,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:25:49" (3/3) ... [2022-11-18 20:25:49,565 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i [2022-11-18 20:25:49,579 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:25:49,592 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:25:49,592 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-18 20:25:49,592 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:25:49,723 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-18 20:25:49,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 117 transitions, 242 flow [2022-11-18 20:25:49,859 INFO L130 PetriNetUnfolder]: 1/116 cut-off events. [2022-11-18 20:25:49,859 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 20:25:49,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 116 events. 1/116 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 93 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 6. Up to 2 conditions per place. [2022-11-18 20:25:49,863 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 117 transitions, 242 flow [2022-11-18 20:25:49,868 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 99 transitions, 201 flow [2022-11-18 20:25:49,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:25:49,897 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4acb6d38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:25:49,897 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-18 20:25:49,923 INFO L130 PetriNetUnfolder]: 0/34 cut-off events. [2022-11-18 20:25:49,923 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:25:49,923 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:25:49,924 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:49,925 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:25:49,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:49,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1750203202, now seen corresponding path program 1 times [2022-11-18 20:25:49,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:49,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298719731] [2022-11-18 20:25:49,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:49,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:25:50,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:50,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298719731] [2022-11-18 20:25:50,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298719731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:50,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:50,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:25:50,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494778468] [2022-11-18 20:25:50,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:50,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:25:50,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:50,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:25:50,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:25:50,939 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 117 [2022-11-18 20:25:50,947 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 99 transitions, 201 flow. Second operand has 6 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:50,947 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:25:50,947 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 117 [2022-11-18 20:25:50,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:25:51,688 INFO L130 PetriNetUnfolder]: 263/805 cut-off events. [2022-11-18 20:25:51,688 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 20:25:51,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1384 conditions, 805 events. 263/805 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4189 event pairs, 113 based on Foata normal form. 0/719 useless extension candidates. Maximal degree in co-relation 1328. Up to 418 conditions per place. [2022-11-18 20:25:51,703 INFO L137 encePairwiseOnDemand]: 101/117 looper letters, 57 selfloop transitions, 23 changer transitions 0/136 dead transitions. [2022-11-18 20:25:51,704 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 136 transitions, 435 flow [2022-11-18 20:25:51,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:25:51,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:25:51,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 496 transitions. [2022-11-18 20:25:51,731 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7065527065527065 [2022-11-18 20:25:51,732 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 496 transitions. [2022-11-18 20:25:51,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 496 transitions. [2022-11-18 20:25:51,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:25:51,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 496 transitions. [2022-11-18 20:25:51,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.66666666666667) internal successors, (496), 6 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:51,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:51,752 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:51,754 INFO L175 Difference]: Start difference. First operand has 103 places, 99 transitions, 201 flow. Second operand 6 states and 496 transitions. [2022-11-18 20:25:51,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 136 transitions, 435 flow [2022-11-18 20:25:51,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 136 transitions, 434 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:25:51,761 INFO L231 Difference]: Finished difference. Result has 111 places, 117 transitions, 350 flow [2022-11-18 20:25:51,763 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=350, PETRI_PLACES=111, PETRI_TRANSITIONS=117} [2022-11-18 20:25:51,767 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 8 predicate places. [2022-11-18 20:25:51,767 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 117 transitions, 350 flow [2022-11-18 20:25:51,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:51,768 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:25:51,768 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:51,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:25:51,768 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:25:51,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:51,769 INFO L85 PathProgramCache]: Analyzing trace with hash 331280400, now seen corresponding path program 1 times [2022-11-18 20:25:51,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:51,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044959425] [2022-11-18 20:25:51,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:51,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:52,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:25:52,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:52,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044959425] [2022-11-18 20:25:52,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044959425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:52,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:52,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:25:52,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026533481] [2022-11-18 20:25:52,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:52,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:25:52,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:52,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:25:52,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:25:52,212 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 117 [2022-11-18 20:25:52,213 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 117 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:52,213 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:25:52,214 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 117 [2022-11-18 20:25:52,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:25:52,765 INFO L130 PetriNetUnfolder]: 345/997 cut-off events. [2022-11-18 20:25:52,765 INFO L131 PetriNetUnfolder]: For 221/221 co-relation queries the response was YES. [2022-11-18 20:25:52,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2048 conditions, 997 events. 345/997 cut-off events. For 221/221 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 5641 event pairs, 141 based on Foata normal form. 0/911 useless extension candidates. Maximal degree in co-relation 1984. Up to 543 conditions per place. [2022-11-18 20:25:52,778 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 109 selfloop transitions, 23 changer transitions 0/191 dead transitions. [2022-11-18 20:25:52,779 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 191 transitions, 820 flow [2022-11-18 20:25:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:25:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:25:52,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 570 transitions. [2022-11-18 20:25:52,781 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.811965811965812 [2022-11-18 20:25:52,781 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 570 transitions. [2022-11-18 20:25:52,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 570 transitions. [2022-11-18 20:25:52,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:25:52,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 570 transitions. [2022-11-18 20:25:52,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 95.0) internal successors, (570), 6 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:52,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:52,787 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:52,788 INFO L175 Difference]: Start difference. First operand has 111 places, 117 transitions, 350 flow. Second operand 6 states and 570 transitions. [2022-11-18 20:25:52,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 191 transitions, 820 flow [2022-11-18 20:25:52,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 191 transitions, 820 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:25:52,799 INFO L231 Difference]: Finished difference. Result has 121 places, 138 transitions, 522 flow [2022-11-18 20:25:52,799 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=522, PETRI_PLACES=121, PETRI_TRANSITIONS=138} [2022-11-18 20:25:52,800 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 18 predicate places. [2022-11-18 20:25:52,800 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 138 transitions, 522 flow [2022-11-18 20:25:52,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:52,801 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:25:52,802 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:52,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:25:52,802 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:25:52,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:52,803 INFO L85 PathProgramCache]: Analyzing trace with hash -593046980, now seen corresponding path program 1 times [2022-11-18 20:25:52,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:52,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240439675] [2022-11-18 20:25:52,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:52,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:25:53,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:53,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240439675] [2022-11-18 20:25:53,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240439675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:53,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:53,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:25:53,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524949398] [2022-11-18 20:25:53,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:53,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:25:53,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:53,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:25:53,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:25:53,258 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 117 [2022-11-18 20:25:53,259 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 138 transitions, 522 flow. Second operand has 6 states, 6 states have (on average 70.83333333333333) internal successors, (425), 6 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:53,259 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:25:53,259 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 117 [2022-11-18 20:25:53,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:25:53,639 INFO L130 PetriNetUnfolder]: 402/1120 cut-off events. [2022-11-18 20:25:53,640 INFO L131 PetriNetUnfolder]: For 733/746 co-relation queries the response was YES. [2022-11-18 20:25:53,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2840 conditions, 1120 events. 402/1120 cut-off events. For 733/746 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 6502 event pairs, 169 based on Foata normal form. 4/1044 useless extension candidates. Maximal degree in co-relation 2767. Up to 754 conditions per place. [2022-11-18 20:25:53,649 INFO L137 encePairwiseOnDemand]: 102/117 looper letters, 95 selfloop transitions, 53 changer transitions 0/202 dead transitions. [2022-11-18 20:25:53,649 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 202 transitions, 1106 flow [2022-11-18 20:25:53,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:25:53,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:25:53,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 500 transitions. [2022-11-18 20:25:53,652 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7122507122507122 [2022-11-18 20:25:53,652 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 500 transitions. [2022-11-18 20:25:53,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 500 transitions. [2022-11-18 20:25:53,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:25:53,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 500 transitions. [2022-11-18 20:25:53,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 83.33333333333333) internal successors, (500), 6 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:53,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:53,657 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:53,657 INFO L175 Difference]: Start difference. First operand has 121 places, 138 transitions, 522 flow. Second operand 6 states and 500 transitions. [2022-11-18 20:25:53,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 202 transitions, 1106 flow [2022-11-18 20:25:53,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 202 transitions, 1106 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:25:53,672 INFO L231 Difference]: Finished difference. Result has 131 places, 185 transitions, 1004 flow [2022-11-18 20:25:53,673 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1004, PETRI_PLACES=131, PETRI_TRANSITIONS=185} [2022-11-18 20:25:53,675 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 28 predicate places. [2022-11-18 20:25:53,675 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 185 transitions, 1004 flow [2022-11-18 20:25:53,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.83333333333333) internal successors, (425), 6 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:53,676 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:25:53,676 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:53,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:25:53,677 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:25:53,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:53,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1162896149, now seen corresponding path program 1 times [2022-11-18 20:25:53,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:53,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46065377] [2022-11-18 20:25:53,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:53,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:54,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:25:54,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:54,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46065377] [2022-11-18 20:25:54,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46065377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:54,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:54,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:25:54,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973398225] [2022-11-18 20:25:54,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:54,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:25:54,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:54,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:25:54,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:25:54,073 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 117 [2022-11-18 20:25:54,074 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 185 transitions, 1004 flow. Second operand has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:54,074 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:25:54,075 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 117 [2022-11-18 20:25:54,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:25:54,607 INFO L130 PetriNetUnfolder]: 579/1548 cut-off events. [2022-11-18 20:25:54,607 INFO L131 PetriNetUnfolder]: For 1768/1778 co-relation queries the response was YES. [2022-11-18 20:25:54,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4550 conditions, 1548 events. 579/1548 cut-off events. For 1768/1778 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 9536 event pairs, 185 based on Foata normal form. 0/1475 useless extension candidates. Maximal degree in co-relation 4476. Up to 1015 conditions per place. [2022-11-18 20:25:54,620 INFO L137 encePairwiseOnDemand]: 98/117 looper letters, 138 selfloop transitions, 80 changer transitions 4/280 dead transitions. [2022-11-18 20:25:54,620 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 280 transitions, 1914 flow [2022-11-18 20:25:54,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:25:54,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:25:54,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 563 transitions. [2022-11-18 20:25:54,622 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.801994301994302 [2022-11-18 20:25:54,622 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 563 transitions. [2022-11-18 20:25:54,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 563 transitions. [2022-11-18 20:25:54,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:25:54,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 563 transitions. [2022-11-18 20:25:54,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 93.83333333333333) internal successors, (563), 6 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:54,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:54,629 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:54,633 INFO L175 Difference]: Start difference. First operand has 131 places, 185 transitions, 1004 flow. Second operand 6 states and 563 transitions. [2022-11-18 20:25:54,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 280 transitions, 1914 flow [2022-11-18 20:25:54,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 280 transitions, 1850 flow, removed 32 selfloop flow, removed 0 redundant places. [2022-11-18 20:25:54,655 INFO L231 Difference]: Finished difference. Result has 141 places, 254 transitions, 1684 flow [2022-11-18 20:25:54,656 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1684, PETRI_PLACES=141, PETRI_TRANSITIONS=254} [2022-11-18 20:25:54,657 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 38 predicate places. [2022-11-18 20:25:54,657 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 254 transitions, 1684 flow [2022-11-18 20:25:54,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:54,658 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:25:54,660 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:54,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:25:54,661 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:25:54,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:54,661 INFO L85 PathProgramCache]: Analyzing trace with hash -377075837, now seen corresponding path program 1 times [2022-11-18 20:25:54,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:54,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975021852] [2022-11-18 20:25:54,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:54,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:54,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:25:54,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:54,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975021852] [2022-11-18 20:25:54,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975021852] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:54,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:54,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:25:54,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383501521] [2022-11-18 20:25:54,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:54,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:25:54,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:54,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:25:54,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:25:54,798 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 117 [2022-11-18 20:25:54,799 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 254 transitions, 1684 flow. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:54,799 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:25:54,799 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 117 [2022-11-18 20:25:54,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:25:54,861 INFO L130 PetriNetUnfolder]: 40/243 cut-off events. [2022-11-18 20:25:54,861 INFO L131 PetriNetUnfolder]: For 202/202 co-relation queries the response was YES. [2022-11-18 20:25:54,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 620 conditions, 243 events. 40/243 cut-off events. For 202/202 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 659 event pairs, 4 based on Foata normal form. 2/234 useless extension candidates. Maximal degree in co-relation 540. Up to 56 conditions per place. [2022-11-18 20:25:54,863 INFO L137 encePairwiseOnDemand]: 113/117 looper letters, 7 selfloop transitions, 4 changer transitions 0/121 dead transitions. [2022-11-18 20:25:54,864 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 121 transitions, 542 flow [2022-11-18 20:25:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:25:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:25:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 328 transitions. [2022-11-18 20:25:54,865 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9344729344729344 [2022-11-18 20:25:54,865 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 328 transitions. [2022-11-18 20:25:54,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 328 transitions. [2022-11-18 20:25:54,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:25:54,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 328 transitions. [2022-11-18 20:25:54,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:54,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:54,868 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:54,869 INFO L175 Difference]: Start difference. First operand has 141 places, 254 transitions, 1684 flow. Second operand 3 states and 328 transitions. [2022-11-18 20:25:54,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 121 transitions, 542 flow [2022-11-18 20:25:54,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 121 transitions, 428 flow, removed 35 selfloop flow, removed 20 redundant places. [2022-11-18 20:25:54,874 INFO L231 Difference]: Finished difference. Result has 120 places, 121 transitions, 414 flow [2022-11-18 20:25:54,875 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=120, PETRI_TRANSITIONS=121} [2022-11-18 20:25:54,878 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 17 predicate places. [2022-11-18 20:25:54,878 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 121 transitions, 414 flow [2022-11-18 20:25:54,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:54,878 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:25:54,878 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:54,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:25:54,879 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:25:54,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:54,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1001682009, now seen corresponding path program 1 times [2022-11-18 20:25:54,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:54,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83952272] [2022-11-18 20:25:54,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:54,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:25:55,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:55,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83952272] [2022-11-18 20:25:55,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83952272] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:55,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:55,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:25:55,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892458167] [2022-11-18 20:25:55,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:55,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:25:55,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:55,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:25:55,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:25:55,252 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 117 [2022-11-18 20:25:55,253 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 121 transitions, 414 flow. Second operand has 6 states, 6 states have (on average 75.16666666666667) internal successors, (451), 6 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:55,253 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:25:55,253 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 117 [2022-11-18 20:25:55,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:25:55,492 INFO L130 PetriNetUnfolder]: 118/431 cut-off events. [2022-11-18 20:25:55,492 INFO L131 PetriNetUnfolder]: For 156/160 co-relation queries the response was YES. [2022-11-18 20:25:55,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1084 conditions, 431 events. 118/431 cut-off events. For 156/160 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1663 event pairs, 15 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 1011. Up to 191 conditions per place. [2022-11-18 20:25:55,495 INFO L137 encePairwiseOnDemand]: 107/117 looper letters, 79 selfloop transitions, 28 changer transitions 10/176 dead transitions. [2022-11-18 20:25:55,495 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 176 transitions, 862 flow [2022-11-18 20:25:55,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:25:55,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:25:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 512 transitions. [2022-11-18 20:25:55,498 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7293447293447294 [2022-11-18 20:25:55,498 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 512 transitions. [2022-11-18 20:25:55,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 512 transitions. [2022-11-18 20:25:55,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:25:55,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 512 transitions. [2022-11-18 20:25:55,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 85.33333333333333) internal successors, (512), 6 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:55,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:55,502 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:55,502 INFO L175 Difference]: Start difference. First operand has 120 places, 121 transitions, 414 flow. Second operand 6 states and 512 transitions. [2022-11-18 20:25:55,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 176 transitions, 862 flow [2022-11-18 20:25:55,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 176 transitions, 858 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:25:55,508 INFO L231 Difference]: Finished difference. Result has 129 places, 139 transitions, 630 flow [2022-11-18 20:25:55,508 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=630, PETRI_PLACES=129, PETRI_TRANSITIONS=139} [2022-11-18 20:25:55,509 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 26 predicate places. [2022-11-18 20:25:55,509 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 139 transitions, 630 flow [2022-11-18 20:25:55,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.16666666666667) internal successors, (451), 6 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:55,510 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:25:55,510 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:55,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:25:55,511 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:25:55,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:55,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1112427937, now seen corresponding path program 1 times [2022-11-18 20:25:55,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:55,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558323680] [2022-11-18 20:25:55,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:55,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:25:56,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:56,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558323680] [2022-11-18 20:25:56,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558323680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:56,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:56,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:25:56,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700199170] [2022-11-18 20:25:56,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:56,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:25:56,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:56,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:25:56,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:25:56,156 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 117 [2022-11-18 20:25:56,158 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 139 transitions, 630 flow. Second operand has 13 states, 13 states have (on average 57.30769230769231) internal successors, (745), 13 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:56,158 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:25:56,158 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 117 [2022-11-18 20:25:56,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:25:56,744 INFO L130 PetriNetUnfolder]: 168/533 cut-off events. [2022-11-18 20:25:56,744 INFO L131 PetriNetUnfolder]: For 512/521 co-relation queries the response was YES. [2022-11-18 20:25:56,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1593 conditions, 533 events. 168/533 cut-off events. For 512/521 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2054 event pairs, 1 based on Foata normal form. 11/542 useless extension candidates. Maximal degree in co-relation 1510. Up to 182 conditions per place. [2022-11-18 20:25:56,748 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 118 selfloop transitions, 30 changer transitions 20/213 dead transitions. [2022-11-18 20:25:56,749 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 213 transitions, 1336 flow [2022-11-18 20:25:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:25:56,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-18 20:25:56,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 708 transitions. [2022-11-18 20:25:56,752 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5501165501165501 [2022-11-18 20:25:56,752 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 708 transitions. [2022-11-18 20:25:56,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 708 transitions. [2022-11-18 20:25:56,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:25:56,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 708 transitions. [2022-11-18 20:25:56,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 64.36363636363636) internal successors, (708), 11 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:56,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:56,758 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:56,759 INFO L175 Difference]: Start difference. First operand has 129 places, 139 transitions, 630 flow. Second operand 11 states and 708 transitions. [2022-11-18 20:25:56,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 213 transitions, 1336 flow [2022-11-18 20:25:56,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 213 transitions, 1262 flow, removed 25 selfloop flow, removed 9 redundant places. [2022-11-18 20:25:56,768 INFO L231 Difference]: Finished difference. Result has 129 places, 132 transitions, 584 flow [2022-11-18 20:25:56,768 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=584, PETRI_PLACES=129, PETRI_TRANSITIONS=132} [2022-11-18 20:25:56,769 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 26 predicate places. [2022-11-18 20:25:56,769 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 132 transitions, 584 flow [2022-11-18 20:25:56,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 57.30769230769231) internal successors, (745), 13 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:56,770 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:25:56,770 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:56,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:25:56,771 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:25:56,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:56,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1621567473, now seen corresponding path program 1 times [2022-11-18 20:25:56,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:56,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328105048] [2022-11-18 20:25:56,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:56,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:25:57,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:57,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328105048] [2022-11-18 20:25:57,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328105048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:57,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:57,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:25:57,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522926680] [2022-11-18 20:25:57,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:57,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:25:57,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:57,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:25:57,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:25:57,585 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-18 20:25:57,586 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 132 transitions, 584 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:57,586 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:25:57,587 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-18 20:25:57,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:25:58,304 INFO L130 PetriNetUnfolder]: 151/509 cut-off events. [2022-11-18 20:25:58,304 INFO L131 PetriNetUnfolder]: For 559/559 co-relation queries the response was YES. [2022-11-18 20:25:58,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1576 conditions, 509 events. 151/509 cut-off events. For 559/559 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1862 event pairs, 29 based on Foata normal form. 5/512 useless extension candidates. Maximal degree in co-relation 1501. Up to 260 conditions per place. [2022-11-18 20:25:58,308 INFO L137 encePairwiseOnDemand]: 103/117 looper letters, 112 selfloop transitions, 27 changer transitions 13/200 dead transitions. [2022-11-18 20:25:58,309 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 200 transitions, 1151 flow [2022-11-18 20:25:58,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:25:58,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-18 20:25:58,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 743 transitions. [2022-11-18 20:25:58,312 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5773115773115773 [2022-11-18 20:25:58,312 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 743 transitions. [2022-11-18 20:25:58,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 743 transitions. [2022-11-18 20:25:58,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:25:58,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 743 transitions. [2022-11-18 20:25:58,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 67.54545454545455) internal successors, (743), 11 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:58,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:58,319 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:58,319 INFO L175 Difference]: Start difference. First operand has 129 places, 132 transitions, 584 flow. Second operand 11 states and 743 transitions. [2022-11-18 20:25:58,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 200 transitions, 1151 flow [2022-11-18 20:25:58,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 200 transitions, 1011 flow, removed 15 selfloop flow, removed 11 redundant places. [2022-11-18 20:25:58,330 INFO L231 Difference]: Finished difference. Result has 133 places, 140 transitions, 668 flow [2022-11-18 20:25:58,330 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=668, PETRI_PLACES=133, PETRI_TRANSITIONS=140} [2022-11-18 20:25:58,333 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 30 predicate places. [2022-11-18 20:25:58,333 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 140 transitions, 668 flow [2022-11-18 20:25:58,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:58,333 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:25:58,334 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:58,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:25:58,334 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:25:58,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:58,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1227685159, now seen corresponding path program 2 times [2022-11-18 20:25:58,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:58,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123790426] [2022-11-18 20:25:58,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:58,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:58,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:25:58,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:58,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123790426] [2022-11-18 20:25:58,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123790426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:58,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:58,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 20:25:58,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598260674] [2022-11-18 20:25:58,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:58,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:25:58,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:58,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:25:58,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:25:58,877 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-18 20:25:58,878 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 140 transitions, 668 flow. Second operand has 12 states, 12 states have (on average 59.5) internal successors, (714), 12 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:58,878 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:25:58,879 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-18 20:25:58,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:25:59,528 INFO L130 PetriNetUnfolder]: 199/629 cut-off events. [2022-11-18 20:25:59,529 INFO L131 PetriNetUnfolder]: For 951/951 co-relation queries the response was YES. [2022-11-18 20:25:59,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2054 conditions, 629 events. 199/629 cut-off events. For 951/951 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2764 event pairs, 11 based on Foata normal form. 10/638 useless extension candidates. Maximal degree in co-relation 1973. Up to 263 conditions per place. [2022-11-18 20:25:59,533 INFO L137 encePairwiseOnDemand]: 107/117 looper letters, 92 selfloop transitions, 5 changer transitions 112/257 dead transitions. [2022-11-18 20:25:59,533 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 257 transitions, 1659 flow [2022-11-18 20:25:59,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:25:59,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-18 20:25:59,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 748 transitions. [2022-11-18 20:25:59,537 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5811965811965812 [2022-11-18 20:25:59,537 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 748 transitions. [2022-11-18 20:25:59,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 748 transitions. [2022-11-18 20:25:59,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:25:59,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 748 transitions. [2022-11-18 20:25:59,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:59,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:59,543 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:59,543 INFO L175 Difference]: Start difference. First operand has 133 places, 140 transitions, 668 flow. Second operand 11 states and 748 transitions. [2022-11-18 20:25:59,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 257 transitions, 1659 flow [2022-11-18 20:25:59,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 257 transitions, 1648 flow, removed 2 selfloop flow, removed 5 redundant places. [2022-11-18 20:25:59,557 INFO L231 Difference]: Finished difference. Result has 142 places, 124 transitions, 551 flow [2022-11-18 20:25:59,558 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=657, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=551, PETRI_PLACES=142, PETRI_TRANSITIONS=124} [2022-11-18 20:25:59,559 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 39 predicate places. [2022-11-18 20:25:59,559 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 124 transitions, 551 flow [2022-11-18 20:25:59,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 59.5) internal successors, (714), 12 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:59,560 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:25:59,560 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:59,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:25:59,560 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:25:59,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:59,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1063788801, now seen corresponding path program 3 times [2022-11-18 20:25:59,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:59,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187326733] [2022-11-18 20:25:59,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:59,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:00,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:00,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187326733] [2022-11-18 20:26:00,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187326733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:00,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:00,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:26:00,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568075642] [2022-11-18 20:26:00,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:00,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:26:00,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:00,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:26:00,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:26:00,288 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-18 20:26:00,289 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 124 transitions, 551 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:00,289 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:00,289 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-18 20:26:00,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:01,027 INFO L130 PetriNetUnfolder]: 122/438 cut-off events. [2022-11-18 20:26:01,028 INFO L131 PetriNetUnfolder]: For 639/639 co-relation queries the response was YES. [2022-11-18 20:26:01,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1382 conditions, 438 events. 122/438 cut-off events. For 639/639 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1473 event pairs, 37 based on Foata normal form. 5/440 useless extension candidates. Maximal degree in co-relation 1297. Up to 178 conditions per place. [2022-11-18 20:26:01,032 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 84 selfloop transitions, 19 changer transitions 22/173 dead transitions. [2022-11-18 20:26:01,032 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 173 transitions, 969 flow [2022-11-18 20:26:01,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:26:01,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-18 20:26:01,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 718 transitions. [2022-11-18 20:26:01,051 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5578865578865578 [2022-11-18 20:26:01,051 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 718 transitions. [2022-11-18 20:26:01,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 718 transitions. [2022-11-18 20:26:01,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:01,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 718 transitions. [2022-11-18 20:26:01,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 65.27272727272727) internal successors, (718), 11 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:01,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:01,057 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:01,057 INFO L175 Difference]: Start difference. First operand has 142 places, 124 transitions, 551 flow. Second operand 11 states and 718 transitions. [2022-11-18 20:26:01,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 173 transitions, 969 flow [2022-11-18 20:26:01,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 173 transitions, 888 flow, removed 23 selfloop flow, removed 11 redundant places. [2022-11-18 20:26:01,065 INFO L231 Difference]: Finished difference. Result has 140 places, 124 transitions, 532 flow [2022-11-18 20:26:01,066 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=532, PETRI_PLACES=140, PETRI_TRANSITIONS=124} [2022-11-18 20:26:01,067 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 37 predicate places. [2022-11-18 20:26:01,067 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 124 transitions, 532 flow [2022-11-18 20:26:01,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:01,070 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:01,070 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:01,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:26:01,070 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:26:01,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:01,071 INFO L85 PathProgramCache]: Analyzing trace with hash 141298621, now seen corresponding path program 4 times [2022-11-18 20:26:01,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:01,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865029904] [2022-11-18 20:26:01,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:01,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:01,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:01,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865029904] [2022-11-18 20:26:01,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865029904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:01,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:01,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:26:01,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441405063] [2022-11-18 20:26:01,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:01,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:26:01,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:01,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:26:01,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:26:01,662 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-18 20:26:01,663 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 124 transitions, 532 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:01,663 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:01,663 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-18 20:26:01,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:02,358 INFO L130 PetriNetUnfolder]: 184/638 cut-off events. [2022-11-18 20:26:02,358 INFO L131 PetriNetUnfolder]: For 1351/1351 co-relation queries the response was YES. [2022-11-18 20:26:02,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2053 conditions, 638 events. 184/638 cut-off events. For 1351/1351 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2749 event pairs, 43 based on Foata normal form. 10/644 useless extension candidates. Maximal degree in co-relation 1971. Up to 222 conditions per place. [2022-11-18 20:26:02,363 INFO L137 encePairwiseOnDemand]: 107/117 looper letters, 112 selfloop transitions, 6 changer transitions 69/235 dead transitions. [2022-11-18 20:26:02,363 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 235 transitions, 1472 flow [2022-11-18 20:26:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:26:02,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-18 20:26:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 738 transitions. [2022-11-18 20:26:02,366 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5734265734265734 [2022-11-18 20:26:02,367 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 738 transitions. [2022-11-18 20:26:02,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 738 transitions. [2022-11-18 20:26:02,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:02,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 738 transitions. [2022-11-18 20:26:02,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 67.0909090909091) internal successors, (738), 11 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:02,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:02,373 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:02,373 INFO L175 Difference]: Start difference. First operand has 140 places, 124 transitions, 532 flow. Second operand 11 states and 738 transitions. [2022-11-18 20:26:02,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 235 transitions, 1472 flow [2022-11-18 20:26:02,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 235 transitions, 1404 flow, removed 4 selfloop flow, removed 10 redundant places. [2022-11-18 20:26:02,382 INFO L231 Difference]: Finished difference. Result has 143 places, 124 transitions, 539 flow [2022-11-18 20:26:02,383 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=539, PETRI_PLACES=143, PETRI_TRANSITIONS=124} [2022-11-18 20:26:02,383 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 40 predicate places. [2022-11-18 20:26:02,383 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 124 transitions, 539 flow [2022-11-18 20:26:02,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:02,384 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:02,384 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:02,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:26:02,385 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:26:02,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:02,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1559653331, now seen corresponding path program 5 times [2022-11-18 20:26:02,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:02,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336429920] [2022-11-18 20:26:02,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:02,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:03,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:03,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:03,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336429920] [2022-11-18 20:26:03,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336429920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:03,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:03,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:26:03,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542357327] [2022-11-18 20:26:03,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:03,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:26:03,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:03,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:26:03,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:26:03,037 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-18 20:26:03,037 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 124 transitions, 539 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:03,038 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:03,038 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-18 20:26:03,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:03,876 INFO L130 PetriNetUnfolder]: 148/556 cut-off events. [2022-11-18 20:26:03,876 INFO L131 PetriNetUnfolder]: For 905/905 co-relation queries the response was YES. [2022-11-18 20:26:03,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1762 conditions, 556 events. 148/556 cut-off events. For 905/905 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2288 event pairs, 41 based on Foata normal form. 10/563 useless extension candidates. Maximal degree in co-relation 1677. Up to 232 conditions per place. [2022-11-18 20:26:03,881 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 85 selfloop transitions, 18 changer transitions 47/198 dead transitions. [2022-11-18 20:26:03,881 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 198 transitions, 1168 flow [2022-11-18 20:26:03,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 20:26:03,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-11-18 20:26:03,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 844 transitions. [2022-11-18 20:26:03,884 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5548980933596318 [2022-11-18 20:26:03,884 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 844 transitions. [2022-11-18 20:26:03,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 844 transitions. [2022-11-18 20:26:03,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:03,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 844 transitions. [2022-11-18 20:26:03,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 64.92307692307692) internal successors, (844), 13 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:03,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:03,892 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:03,892 INFO L175 Difference]: Start difference. First operand has 143 places, 124 transitions, 539 flow. Second operand 13 states and 844 transitions. [2022-11-18 20:26:03,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 198 transitions, 1168 flow [2022-11-18 20:26:03,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 198 transitions, 1114 flow, removed 18 selfloop flow, removed 8 redundant places. [2022-11-18 20:26:03,902 INFO L231 Difference]: Finished difference. Result has 149 places, 124 transitions, 561 flow [2022-11-18 20:26:03,902 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=561, PETRI_PLACES=149, PETRI_TRANSITIONS=124} [2022-11-18 20:26:03,903 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 46 predicate places. [2022-11-18 20:26:03,903 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 124 transitions, 561 flow [2022-11-18 20:26:03,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:03,904 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:03,904 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:03,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 20:26:03,905 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:26:03,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:03,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1338600391, now seen corresponding path program 6 times [2022-11-18 20:26:03,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:03,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401171530] [2022-11-18 20:26:03,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:03,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:04,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:04,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401171530] [2022-11-18 20:26:04,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401171530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:04,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:04,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:26:04,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659681385] [2022-11-18 20:26:04,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:04,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:26:04,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:04,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:26:04,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:26:04,509 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-18 20:26:04,510 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 124 transitions, 561 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:04,511 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:04,511 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-18 20:26:04,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:05,236 INFO L130 PetriNetUnfolder]: 146/554 cut-off events. [2022-11-18 20:26:05,236 INFO L131 PetriNetUnfolder]: For 1310/1310 co-relation queries the response was YES. [2022-11-18 20:26:05,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1850 conditions, 554 events. 146/554 cut-off events. For 1310/1310 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2268 event pairs, 51 based on Foata normal form. 10/560 useless extension candidates. Maximal degree in co-relation 1763. Up to 221 conditions per place. [2022-11-18 20:26:05,241 INFO L137 encePairwiseOnDemand]: 107/117 looper letters, 103 selfloop transitions, 7 changer transitions 56/214 dead transitions. [2022-11-18 20:26:05,241 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 214 transitions, 1341 flow [2022-11-18 20:26:05,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:26:05,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-18 20:26:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 732 transitions. [2022-11-18 20:26:05,244 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5687645687645687 [2022-11-18 20:26:05,244 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 732 transitions. [2022-11-18 20:26:05,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 732 transitions. [2022-11-18 20:26:05,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:05,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 732 transitions. [2022-11-18 20:26:05,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 66.54545454545455) internal successors, (732), 11 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:05,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:05,250 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:05,250 INFO L175 Difference]: Start difference. First operand has 149 places, 124 transitions, 561 flow. Second operand 11 states and 732 transitions. [2022-11-18 20:26:05,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 214 transitions, 1341 flow [2022-11-18 20:26:05,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 214 transitions, 1251 flow, removed 19 selfloop flow, removed 12 redundant places. [2022-11-18 20:26:05,260 INFO L231 Difference]: Finished difference. Result has 146 places, 123 transitions, 539 flow [2022-11-18 20:26:05,261 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=509, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=539, PETRI_PLACES=146, PETRI_TRANSITIONS=123} [2022-11-18 20:26:05,263 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 43 predicate places. [2022-11-18 20:26:05,263 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 123 transitions, 539 flow [2022-11-18 20:26:05,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:05,264 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:05,264 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:05,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 20:26:05,264 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:26:05,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:05,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1564335761, now seen corresponding path program 7 times [2022-11-18 20:26:05,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:05,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739338626] [2022-11-18 20:26:05,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:05,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:05,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:05,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739338626] [2022-11-18 20:26:05,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739338626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:05,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:05,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:26:05,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404196496] [2022-11-18 20:26:05,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:05,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:26:05,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:05,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:26:05,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:26:05,855 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-18 20:26:05,856 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 123 transitions, 539 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:05,856 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:05,856 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-18 20:26:05,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:06,632 INFO L130 PetriNetUnfolder]: 167/641 cut-off events. [2022-11-18 20:26:06,632 INFO L131 PetriNetUnfolder]: For 1169/1169 co-relation queries the response was YES. [2022-11-18 20:26:06,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2069 conditions, 641 events. 167/641 cut-off events. For 1169/1169 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2942 event pairs, 52 based on Foata normal form. 10/647 useless extension candidates. Maximal degree in co-relation 1983. Up to 212 conditions per place. [2022-11-18 20:26:06,637 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 97 selfloop transitions, 15 changer transitions 53/213 dead transitions. [2022-11-18 20:26:06,638 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 213 transitions, 1349 flow [2022-11-18 20:26:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:26:06,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-18 20:26:06,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 728 transitions. [2022-11-18 20:26:06,641 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5656565656565656 [2022-11-18 20:26:06,641 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 728 transitions. [2022-11-18 20:26:06,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 728 transitions. [2022-11-18 20:26:06,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:06,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 728 transitions. [2022-11-18 20:26:06,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 66.18181818181819) internal successors, (728), 11 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:06,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:06,652 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:06,652 INFO L175 Difference]: Start difference. First operand has 146 places, 123 transitions, 539 flow. Second operand 11 states and 728 transitions. [2022-11-18 20:26:06,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 213 transitions, 1349 flow [2022-11-18 20:26:06,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 213 transitions, 1283 flow, removed 24 selfloop flow, removed 10 redundant places. [2022-11-18 20:26:06,664 INFO L231 Difference]: Finished difference. Result has 149 places, 127 transitions, 612 flow [2022-11-18 20:26:06,664 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=499, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=612, PETRI_PLACES=149, PETRI_TRANSITIONS=127} [2022-11-18 20:26:06,665 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 46 predicate places. [2022-11-18 20:26:06,665 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 127 transitions, 612 flow [2022-11-18 20:26:06,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:06,666 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:06,666 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:06,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 20:26:06,667 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:26:06,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:06,667 INFO L85 PathProgramCache]: Analyzing trace with hash 2039386163, now seen corresponding path program 8 times [2022-11-18 20:26:06,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:06,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339697903] [2022-11-18 20:26:06,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:06,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:07,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:07,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:07,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339697903] [2022-11-18 20:26:07,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339697903] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:07,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:07,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:26:07,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452093591] [2022-11-18 20:26:07,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:07,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:26:07,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:07,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:26:07,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:26:07,317 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-18 20:26:07,318 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 127 transitions, 612 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:07,319 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:07,319 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-18 20:26:07,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:08,030 INFO L130 PetriNetUnfolder]: 128/513 cut-off events. [2022-11-18 20:26:08,030 INFO L131 PetriNetUnfolder]: For 1165/1165 co-relation queries the response was YES. [2022-11-18 20:26:08,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1717 conditions, 513 events. 128/513 cut-off events. For 1165/1165 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2105 event pairs, 40 based on Foata normal form. 10/519 useless extension candidates. Maximal degree in co-relation 1629. Up to 293 conditions per place. [2022-11-18 20:26:08,034 INFO L137 encePairwiseOnDemand]: 107/117 looper letters, 68 selfloop transitions, 5 changer transitions 62/183 dead transitions. [2022-11-18 20:26:08,035 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 183 transitions, 1121 flow [2022-11-18 20:26:08,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:26:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-11-18 20:26:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 773 transitions. [2022-11-18 20:26:08,037 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5505698005698005 [2022-11-18 20:26:08,037 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 773 transitions. [2022-11-18 20:26:08,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 773 transitions. [2022-11-18 20:26:08,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:08,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 773 transitions. [2022-11-18 20:26:08,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 64.41666666666667) internal successors, (773), 12 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:08,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:08,042 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:08,042 INFO L175 Difference]: Start difference. First operand has 149 places, 127 transitions, 612 flow. Second operand 12 states and 773 transitions. [2022-11-18 20:26:08,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 183 transitions, 1121 flow [2022-11-18 20:26:08,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 183 transitions, 1071 flow, removed 15 selfloop flow, removed 7 redundant places. [2022-11-18 20:26:08,052 INFO L231 Difference]: Finished difference. Result has 153 places, 120 transitions, 509 flow [2022-11-18 20:26:08,053 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=509, PETRI_PLACES=153, PETRI_TRANSITIONS=120} [2022-11-18 20:26:08,053 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 50 predicate places. [2022-11-18 20:26:08,054 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 120 transitions, 509 flow [2022-11-18 20:26:08,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:08,054 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:08,054 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:08,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 20:26:08,055 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:26:08,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:08,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1565764371, now seen corresponding path program 9 times [2022-11-18 20:26:08,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:08,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122830013] [2022-11-18 20:26:08,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:08,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:08,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:08,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:08,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122830013] [2022-11-18 20:26:08,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122830013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:08,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:08,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:26:08,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705661995] [2022-11-18 20:26:08,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:08,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:26:08,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:08,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:26:08,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:26:08,669 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-18 20:26:08,670 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 120 transitions, 509 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:08,670 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:08,670 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-18 20:26:08,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:09,335 INFO L130 PetriNetUnfolder]: 145/558 cut-off events. [2022-11-18 20:26:09,336 INFO L131 PetriNetUnfolder]: For 1262/1262 co-relation queries the response was YES. [2022-11-18 20:26:09,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1826 conditions, 558 events. 145/558 cut-off events. For 1262/1262 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2290 event pairs, 41 based on Foata normal form. 10/565 useless extension candidates. Maximal degree in co-relation 1738. Up to 181 conditions per place. [2022-11-18 20:26:09,340 INFO L137 encePairwiseOnDemand]: 107/117 looper letters, 61 selfloop transitions, 8 changer transitions 78/195 dead transitions. [2022-11-18 20:26:09,340 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 195 transitions, 1230 flow [2022-11-18 20:26:09,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:26:09,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-18 20:26:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 716 transitions. [2022-11-18 20:26:09,342 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5563325563325563 [2022-11-18 20:26:09,343 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 716 transitions. [2022-11-18 20:26:09,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 716 transitions. [2022-11-18 20:26:09,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:09,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 716 transitions. [2022-11-18 20:26:09,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:09,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:09,348 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:09,348 INFO L175 Difference]: Start difference. First operand has 153 places, 120 transitions, 509 flow. Second operand 11 states and 716 transitions. [2022-11-18 20:26:09,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 195 transitions, 1230 flow [2022-11-18 20:26:09,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 195 transitions, 1128 flow, removed 45 selfloop flow, removed 13 redundant places. [2022-11-18 20:26:09,358 INFO L231 Difference]: Finished difference. Result has 141 places, 114 transitions, 463 flow [2022-11-18 20:26:09,358 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=463, PETRI_PLACES=141, PETRI_TRANSITIONS=114} [2022-11-18 20:26:09,359 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 38 predicate places. [2022-11-18 20:26:09,359 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 114 transitions, 463 flow [2022-11-18 20:26:09,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:09,360 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:09,360 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:09,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 20:26:09,360 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:26:09,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:09,361 INFO L85 PathProgramCache]: Analyzing trace with hash -100043025, now seen corresponding path program 10 times [2022-11-18 20:26:09,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:09,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313848932] [2022-11-18 20:26:09,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:09,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:09,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:09,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:09,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313848932] [2022-11-18 20:26:09,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313848932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:09,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:09,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:26:09,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67295871] [2022-11-18 20:26:09,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:09,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:26:09,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:09,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:26:10,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:26:10,001 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-18 20:26:10,002 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 114 transitions, 463 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:10,002 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:10,002 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-18 20:26:10,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:10,707 INFO L130 PetriNetUnfolder]: 62/342 cut-off events. [2022-11-18 20:26:10,707 INFO L131 PetriNetUnfolder]: For 605/605 co-relation queries the response was YES. [2022-11-18 20:26:10,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1041 conditions, 342 events. 62/342 cut-off events. For 605/605 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1189 event pairs, 24 based on Foata normal form. 5/346 useless extension candidates. Maximal degree in co-relation 958. Up to 110 conditions per place. [2022-11-18 20:26:10,710 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 69 selfloop transitions, 13 changer transitions 29/159 dead transitions. [2022-11-18 20:26:10,710 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 159 transitions, 843 flow [2022-11-18 20:26:10,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:26:10,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-18 20:26:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 714 transitions. [2022-11-18 20:26:10,712 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5547785547785548 [2022-11-18 20:26:10,713 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 714 transitions. [2022-11-18 20:26:10,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 714 transitions. [2022-11-18 20:26:10,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:10,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 714 transitions. [2022-11-18 20:26:10,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 64.9090909090909) internal successors, (714), 11 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:10,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:10,718 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:10,718 INFO L175 Difference]: Start difference. First operand has 141 places, 114 transitions, 463 flow. Second operand 11 states and 714 transitions. [2022-11-18 20:26:10,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 159 transitions, 843 flow [2022-11-18 20:26:10,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 159 transitions, 784 flow, removed 16 selfloop flow, removed 13 redundant places. [2022-11-18 20:26:10,724 INFO L231 Difference]: Finished difference. Result has 139 places, 116 transitions, 469 flow [2022-11-18 20:26:10,725 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=411, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=469, PETRI_PLACES=139, PETRI_TRANSITIONS=116} [2022-11-18 20:26:10,725 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 36 predicate places. [2022-11-18 20:26:10,725 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 116 transitions, 469 flow [2022-11-18 20:26:10,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:10,726 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:10,726 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:10,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 20:26:10,727 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:26:10,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:10,727 INFO L85 PathProgramCache]: Analyzing trace with hash 332323171, now seen corresponding path program 11 times [2022-11-18 20:26:10,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:10,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712014098] [2022-11-18 20:26:10,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:10,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:11,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:11,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712014098] [2022-11-18 20:26:11,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712014098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:11,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:11,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:26:11,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813613050] [2022-11-18 20:26:11,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:11,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:26:11,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:11,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:26:11,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:26:11,339 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-18 20:26:11,340 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 116 transitions, 469 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:11,340 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:11,340 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-18 20:26:11,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:12,107 INFO L130 PetriNetUnfolder]: 74/372 cut-off events. [2022-11-18 20:26:12,108 INFO L131 PetriNetUnfolder]: For 651/655 co-relation queries the response was YES. [2022-11-18 20:26:12,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 372 events. 74/372 cut-off events. For 651/655 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1419 event pairs, 15 based on Foata normal form. 14/385 useless extension candidates. Maximal degree in co-relation 1067. Up to 110 conditions per place. [2022-11-18 20:26:12,111 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 76 selfloop transitions, 14 changer transitions 39/177 dead transitions. [2022-11-18 20:26:12,111 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 177 transitions, 989 flow [2022-11-18 20:26:12,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:26:12,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-11-18 20:26:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 778 transitions. [2022-11-18 20:26:12,114 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5541310541310541 [2022-11-18 20:26:12,115 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 778 transitions. [2022-11-18 20:26:12,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 778 transitions. [2022-11-18 20:26:12,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:12,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 778 transitions. [2022-11-18 20:26:12,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 64.83333333333333) internal successors, (778), 12 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:12,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:12,137 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:12,138 INFO L175 Difference]: Start difference. First operand has 139 places, 116 transitions, 469 flow. Second operand 12 states and 778 transitions. [2022-11-18 20:26:12,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 177 transitions, 989 flow [2022-11-18 20:26:12,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 177 transitions, 958 flow, removed 3 selfloop flow, removed 7 redundant places. [2022-11-18 20:26:12,145 INFO L231 Difference]: Finished difference. Result has 147 places, 117 transitions, 508 flow [2022-11-18 20:26:12,145 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=508, PETRI_PLACES=147, PETRI_TRANSITIONS=117} [2022-11-18 20:26:12,146 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 44 predicate places. [2022-11-18 20:26:12,146 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 117 transitions, 508 flow [2022-11-18 20:26:12,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:12,147 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:12,147 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:12,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 20:26:12,147 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:26:12,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:12,148 INFO L85 PathProgramCache]: Analyzing trace with hash -953268949, now seen corresponding path program 12 times [2022-11-18 20:26:12,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:12,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557892871] [2022-11-18 20:26:12,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:12,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:12,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:12,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557892871] [2022-11-18 20:26:12,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557892871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:12,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:12,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:26:12,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781640530] [2022-11-18 20:26:12,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:12,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:26:12,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:12,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:26:12,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:26:12,728 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-18 20:26:12,729 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 117 transitions, 508 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:12,729 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:12,729 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-18 20:26:12,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:13,448 INFO L130 PetriNetUnfolder]: 52/287 cut-off events. [2022-11-18 20:26:13,448 INFO L131 PetriNetUnfolder]: For 757/759 co-relation queries the response was YES. [2022-11-18 20:26:13,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 918 conditions, 287 events. 52/287 cut-off events. For 757/759 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 877 event pairs, 18 based on Foata normal form. 12/297 useless extension candidates. Maximal degree in co-relation 834. Up to 72 conditions per place. [2022-11-18 20:26:13,451 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 54 selfloop transitions, 8 changer transitions 55/165 dead transitions. [2022-11-18 20:26:13,451 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 165 transitions, 946 flow [2022-11-18 20:26:13,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:26:13,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-11-18 20:26:13,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 766 transitions. [2022-11-18 20:26:13,453 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5455840455840456 [2022-11-18 20:26:13,453 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 766 transitions. [2022-11-18 20:26:13,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 766 transitions. [2022-11-18 20:26:13,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:13,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 766 transitions. [2022-11-18 20:26:13,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 63.833333333333336) internal successors, (766), 12 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:13,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:13,458 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:13,458 INFO L175 Difference]: Start difference. First operand has 147 places, 117 transitions, 508 flow. Second operand 12 states and 766 transitions. [2022-11-18 20:26:13,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 165 transitions, 946 flow [2022-11-18 20:26:13,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 165 transitions, 860 flow, removed 18 selfloop flow, removed 14 redundant places. [2022-11-18 20:26:13,465 INFO L231 Difference]: Finished difference. Result has 144 places, 110 transitions, 398 flow [2022-11-18 20:26:13,465 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=398, PETRI_PLACES=144, PETRI_TRANSITIONS=110} [2022-11-18 20:26:13,466 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 41 predicate places. [2022-11-18 20:26:13,466 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 110 transitions, 398 flow [2022-11-18 20:26:13,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:13,467 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:13,467 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:13,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 20:26:13,467 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-18 20:26:13,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:13,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1481186983, now seen corresponding path program 13 times [2022-11-18 20:26:13,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:13,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049659891] [2022-11-18 20:26:13,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:13,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:14,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:14,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049659891] [2022-11-18 20:26:14,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049659891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:14,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:14,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:26:14,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184143713] [2022-11-18 20:26:14,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:14,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:26:14,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:14,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:26:14,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:26:14,014 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-18 20:26:14,015 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 110 transitions, 398 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:14,015 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:14,015 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-18 20:26:14,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:14,586 INFO L130 PetriNetUnfolder]: 31/183 cut-off events. [2022-11-18 20:26:14,586 INFO L131 PetriNetUnfolder]: For 215/217 co-relation queries the response was YES. [2022-11-18 20:26:14,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 183 events. 31/183 cut-off events. For 215/217 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 298 event pairs, 0 based on Foata normal form. 12/195 useless extension candidates. Maximal degree in co-relation 487. Up to 35 conditions per place. [2022-11-18 20:26:14,587 INFO L137 encePairwiseOnDemand]: 107/117 looper letters, 0 selfloop transitions, 0 changer transitions 145/145 dead transitions. [2022-11-18 20:26:14,587 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 145 transitions, 728 flow [2022-11-18 20:26:14,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:26:14,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-18 20:26:14,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 696 transitions. [2022-11-18 20:26:14,589 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5407925407925408 [2022-11-18 20:26:14,589 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 696 transitions. [2022-11-18 20:26:14,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 696 transitions. [2022-11-18 20:26:14,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:14,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 696 transitions. [2022-11-18 20:26:14,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 63.27272727272727) internal successors, (696), 11 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:14,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:14,594 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:14,594 INFO L175 Difference]: Start difference. First operand has 144 places, 110 transitions, 398 flow. Second operand 11 states and 696 transitions. [2022-11-18 20:26:14,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 145 transitions, 728 flow [2022-11-18 20:26:14,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 145 transitions, 653 flow, removed 22 selfloop flow, removed 14 redundant places. [2022-11-18 20:26:14,598 INFO L231 Difference]: Finished difference. Result has 129 places, 0 transitions, 0 flow [2022-11-18 20:26:14,599 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=129, PETRI_TRANSITIONS=0} [2022-11-18 20:26:14,599 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 26 predicate places. [2022-11-18 20:26:14,599 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 0 transitions, 0 flow [2022-11-18 20:26:14,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:14,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-11-18 20:26:14,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-11-18 20:26:14,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2022-11-18 20:26:14,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-11-18 20:26:14,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2022-11-18 20:26:14,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-11-18 20:26:14,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-11-18 20:26:14,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-11-18 20:26:14,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-11-18 20:26:14,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 20:26:14,605 INFO L444 BasicCegarLoop]: Path program histogram: [13, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:14,611 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:26:14,611 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:26:14,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:26:14 BasicIcfg [2022-11-18 20:26:14,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:26:14,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:26:14,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:26:14,617 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:26:14,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:25:49" (3/4) ... [2022-11-18 20:26:14,620 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:26:14,626 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-18 20:26:14,630 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-18 20:26:14,630 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 20:26:14,630 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:26:14,662 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:26:14,662 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:26:14,663 INFO L158 Benchmark]: Toolchain (without parser) took 26633.53ms. Allocated memory was 136.3MB in the beginning and 390.1MB in the end (delta: 253.8MB). Free memory was 97.9MB in the beginning and 135.2MB in the end (delta: -37.2MB). Peak memory consumption was 216.1MB. Max. memory is 16.1GB. [2022-11-18 20:26:14,663 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory was 108.7MB in the beginning and 108.6MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:26:14,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 801.26ms. Allocated memory is still 136.3MB. Free memory was 97.6MB in the beginning and 93.0MB in the end (delta: 4.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:26:14,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.38ms. Allocated memory is still 136.3MB. Free memory was 93.0MB in the beginning and 90.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:26:14,664 INFO L158 Benchmark]: Boogie Preprocessor took 58.15ms. Allocated memory is still 136.3MB. Free memory was 90.4MB in the beginning and 88.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:26:14,665 INFO L158 Benchmark]: RCFGBuilder took 568.80ms. Allocated memory is still 136.3MB. Free memory was 88.3MB in the beginning and 71.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 20:26:14,665 INFO L158 Benchmark]: TraceAbstraction took 25057.74ms. Allocated memory was 136.3MB in the beginning and 390.1MB in the end (delta: 253.8MB). Free memory was 70.7MB in the beginning and 138.3MB in the end (delta: -67.6MB). Peak memory consumption was 187.0MB. Max. memory is 16.1GB. [2022-11-18 20:26:14,665 INFO L158 Benchmark]: Witness Printer took 46.03ms. Allocated memory is still 390.1MB. Free memory was 138.3MB in the beginning and 135.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:26:14,667 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory was 108.7MB in the beginning and 108.6MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 801.26ms. Allocated memory is still 136.3MB. Free memory was 97.6MB in the beginning and 93.0MB in the end (delta: 4.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.38ms. Allocated memory is still 136.3MB. Free memory was 93.0MB in the beginning and 90.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.15ms. Allocated memory is still 136.3MB. Free memory was 90.4MB in the beginning and 88.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 568.80ms. Allocated memory is still 136.3MB. Free memory was 88.3MB in the beginning and 71.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 25057.74ms. Allocated memory was 136.3MB in the beginning and 390.1MB in the end (delta: 253.8MB). Free memory was 70.7MB in the beginning and 138.3MB in the end (delta: -67.6MB). Peak memory consumption was 187.0MB. Max. memory is 16.1GB. * Witness Printer took 46.03ms. Allocated memory is still 390.1MB. Free memory was 138.3MB in the beginning and 135.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 145 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 24.8s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2171 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2171 mSDsluCounter, 773 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 374 mSDsCounter, 791 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6666 IncrementalHoareTripleChecker+Invalid, 7457 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 791 mSolverCounterUnsat, 399 mSDtfsCounter, 6666 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 360 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 291 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1684occurred in iteration=4, InterpolantAutomatonStates: 192, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 1500 NumberOfCodeBlocks, 1500 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1480 ConstructedInterpolants, 0 QuantifiedInterpolants, 10913 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 20:26:14,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e8ba7f-c244-499c-8a54-0757b6305619/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE