./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/mult-comm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/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_91e6862c-92fe-499d-b238-88a584c36a41/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/mult-comm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/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_91e6862c-92fe-499d-b238-88a584c36a41/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 a0efdc82161997cbf03fd7c104a0f7adcc3337af1f91e29fd2b7831e9d52958e --- 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 18:36:54,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:36:54,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:36:54,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:36:54,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:36:54,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:36:54,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:36:54,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:36:54,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:36:54,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:36:54,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:36:54,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:36:54,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:36:54,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:36:54,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:36:54,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:36:54,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:36:54,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:36:54,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:36:54,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:36:54,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:36:54,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:36:54,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:36:54,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:36:54,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:36:54,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:36:54,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:36:54,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:36:54,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:36:54,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:36:54,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:36:54,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:36:54,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:36:54,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:36:54,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:36:54,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:36:54,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:36:54,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:36:54,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:36:54,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:36:54,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:36:54,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 18:36:54,808 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:36:54,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:36:54,808 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:36:54,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:36:54,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:36:54,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:36:54,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:36:54,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:36:54,812 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:36:54,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:36:54,812 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:36:54,812 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:36:54,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:36:54,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:36:54,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:36:54,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:36:54,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:36:54,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:36:54,814 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 18:36:54,814 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:36:54,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:36:54,814 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:36:54,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:36:54,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:36:54,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:36:54,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:36:54,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:36:54,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:36:54,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:36:54,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:36:54,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:36:54,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:36:54,817 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:36:54,817 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:36:54,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:36:54,817 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_91e6862c-92fe-499d-b238-88a584c36a41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0efdc82161997cbf03fd7c104a0f7adcc3337af1f91e29fd2b7831e9d52958e [2022-11-18 18:36:55,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:36:55,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:36:55,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:36:55,141 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:36:55,142 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:36:55,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/mult-comm.wvr.c [2022-11-18 18:36:55,227 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/bin/uautomizer-TMbwUNV5ro/data/0301ccf73/e002b4c9aca24bf6904585d9a7368464/FLAG3827f42f2 [2022-11-18 18:36:55,751 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:36:55,760 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/sv-benchmarks/c/weaver/mult-comm.wvr.c [2022-11-18 18:36:55,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/bin/uautomizer-TMbwUNV5ro/data/0301ccf73/e002b4c9aca24bf6904585d9a7368464/FLAG3827f42f2 [2022-11-18 18:36:56,120 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/bin/uautomizer-TMbwUNV5ro/data/0301ccf73/e002b4c9aca24bf6904585d9a7368464 [2022-11-18 18:36:56,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:36:56,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:36:56,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:36:56,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:36:56,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:36:56,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:36:56" (1/1) ... [2022-11-18 18:36:56,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476626ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:56, skipping insertion in model container [2022-11-18 18:36:56,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:36:56" (1/1) ... [2022-11-18 18:36:56,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:36:56,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:36:56,409 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/sv-benchmarks/c/weaver/mult-comm.wvr.c[1910,1923] [2022-11-18 18:36:56,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:36:56,424 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:36:56,466 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/sv-benchmarks/c/weaver/mult-comm.wvr.c[1910,1923] [2022-11-18 18:36:56,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:36:56,486 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:36:56,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:56 WrapperNode [2022-11-18 18:36:56,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:36:56,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:36:56,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:36:56,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:36:56,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:56" (1/1) ... [2022-11-18 18:36:56,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:56" (1/1) ... [2022-11-18 18:36:56,553 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2022-11-18 18:36:56,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:36:56,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:36:56,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:36:56,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:36:56,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:56" (1/1) ... [2022-11-18 18:36:56,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:56" (1/1) ... [2022-11-18 18:36:56,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:56" (1/1) ... [2022-11-18 18:36:56,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:56" (1/1) ... [2022-11-18 18:36:56,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:56" (1/1) ... [2022-11-18 18:36:56,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:56" (1/1) ... [2022-11-18 18:36:56,611 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:56" (1/1) ... [2022-11-18 18:36:56,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:56" (1/1) ... [2022-11-18 18:36:56,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:36:56,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:36:56,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:36:56,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:36:56,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:56" (1/1) ... [2022-11-18 18:36:56,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:36:56,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:36:56,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:36:56,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:36:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:36:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 18:36:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 18:36:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 18:36:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 18:36:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:36:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:36:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:36:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:36:56,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:36:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:36:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:36:56,714 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 18:36:56,854 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:36:56,857 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:36:57,144 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:36:57,153 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:36:57,154 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 18:36:57,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:36:57 BoogieIcfgContainer [2022-11-18 18:36:57,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:36:57,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:36:57,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:36:57,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:36:57,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:36:56" (1/3) ... [2022-11-18 18:36:57,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302c97e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:36:57, skipping insertion in model container [2022-11-18 18:36:57,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:36:56" (2/3) ... [2022-11-18 18:36:57,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302c97e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:36:57, skipping insertion in model container [2022-11-18 18:36:57,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:36:57" (3/3) ... [2022-11-18 18:36:57,174 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2022-11-18 18:36:57,184 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 18:36:57,197 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:36:57,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-11-18 18:36:57,198 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 18:36:57,351 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-18 18:36:57,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 135 transitions, 286 flow [2022-11-18 18:36:57,513 INFO L130 PetriNetUnfolder]: 5/133 cut-off events. [2022-11-18 18:36:57,513 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 18:36:57,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 133 events. 5/133 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 158 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2022-11-18 18:36:57,527 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 135 transitions, 286 flow [2022-11-18 18:36:57,536 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 118 places, 115 transitions, 242 flow [2022-11-18 18:36:57,554 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:36:57,562 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;@26621f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:36:57,562 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-11-18 18:36:57,590 INFO L130 PetriNetUnfolder]: 0/21 cut-off events. [2022-11-18 18:36:57,593 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:36:57,593 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:36:57,594 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] [2022-11-18 18:36:57,595 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-18 18:36:57,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:36:57,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1948531554, now seen corresponding path program 1 times [2022-11-18 18:36:57,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:36:57,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487817370] [2022-11-18 18:36:57,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:36:57,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:36:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:57,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:36:57,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:36:57,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487817370] [2022-11-18 18:36:57,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487817370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:36:57,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:36:57,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:36:57,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644502501] [2022-11-18 18:36:57,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:36:57,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:36:57,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:36:57,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:36:57,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:36:57,897 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 135 [2022-11-18 18:36:57,901 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 115 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states 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 18:36:57,901 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:36:57,901 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 135 [2022-11-18 18:36:57,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:36:58,011 INFO L130 PetriNetUnfolder]: 29/277 cut-off events. [2022-11-18 18:36:58,012 INFO L131 PetriNetUnfolder]: For 35/38 co-relation queries the response was YES. [2022-11-18 18:36:58,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 277 events. 29/277 cut-off events. For 35/38 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1199 event pairs, 15 based on Foata normal form. 7/230 useless extension candidates. Maximal degree in co-relation 241. Up to 55 conditions per place. [2022-11-18 18:36:58,017 INFO L137 encePairwiseOnDemand]: 130/135 looper letters, 13 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2022-11-18 18:36:58,017 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 112 transitions, 266 flow [2022-11-18 18:36:58,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:36:58,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:36:58,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2022-11-18 18:36:58,033 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8962962962962963 [2022-11-18 18:36:58,033 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 363 transitions. [2022-11-18 18:36:58,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 363 transitions. [2022-11-18 18:36:58,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:36:58,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 363 transitions. [2022-11-18 18:36:58,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 0 states have call successors, (0), 0 states 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 18:36:58,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:36:58,049 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:36:58,051 INFO L175 Difference]: Start difference. First operand has 118 places, 115 transitions, 242 flow. Second operand 3 states and 363 transitions. [2022-11-18 18:36:58,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 112 transitions, 266 flow [2022-11-18 18:36:58,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 112 transitions, 258 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:36:58,060 INFO L231 Difference]: Finished difference. Result has 115 places, 112 transitions, 232 flow [2022-11-18 18:36:58,062 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=115, PETRI_TRANSITIONS=112} [2022-11-18 18:36:58,066 INFO L288 CegarLoopForPetriNet]: 118 programPoint places, -3 predicate places. [2022-11-18 18:36:58,067 INFO L495 AbstractCegarLoop]: Abstraction has has 115 places, 112 transitions, 232 flow [2022-11-18 18:36:58,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states 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 18:36:58,068 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:36:58,068 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] [2022-11-18 18:36:58,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:36:58,068 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-18 18:36:58,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:36:58,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1888483432, now seen corresponding path program 1 times [2022-11-18 18:36:58,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:36:58,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304871154] [2022-11-18 18:36:58,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:36:58,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:36:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:58,128 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 18:36:58,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:36:58,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304871154] [2022-11-18 18:36:58,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304871154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:36:58,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:36:58,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:36:58,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000032563] [2022-11-18 18:36:58,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:36:58,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:36:58,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:36:58,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:36:58,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:36:58,134 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 135 [2022-11-18 18:36:58,135 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 112 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states 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 18:36:58,135 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:36:58,135 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 135 [2022-11-18 18:36:58,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:36:58,271 INFO L130 PetriNetUnfolder]: 26/272 cut-off events. [2022-11-18 18:36:58,276 INFO L131 PetriNetUnfolder]: For 6/12 co-relation queries the response was YES. [2022-11-18 18:36:58,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 272 events. 26/272 cut-off events. For 6/12 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1057 event pairs, 15 based on Foata normal form. 0/216 useless extension candidates. Maximal degree in co-relation 306. Up to 53 conditions per place. [2022-11-18 18:36:58,283 INFO L137 encePairwiseOnDemand]: 132/135 looper letters, 13 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2022-11-18 18:36:58,284 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 111 transitions, 260 flow [2022-11-18 18:36:58,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:36:58,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:36:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2022-11-18 18:36:58,292 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.891358024691358 [2022-11-18 18:36:58,292 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 361 transitions. [2022-11-18 18:36:58,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 361 transitions. [2022-11-18 18:36:58,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:36:58,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 361 transitions. [2022-11-18 18:36:58,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states 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 18:36:58,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:36:58,297 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:36:58,298 INFO L175 Difference]: Start difference. First operand has 115 places, 112 transitions, 232 flow. Second operand 3 states and 361 transitions. [2022-11-18 18:36:58,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 111 transitions, 260 flow [2022-11-18 18:36:58,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 111 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:36:58,303 INFO L231 Difference]: Finished difference. Result has 114 places, 111 transitions, 230 flow [2022-11-18 18:36:58,303 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=114, PETRI_TRANSITIONS=111} [2022-11-18 18:36:58,304 INFO L288 CegarLoopForPetriNet]: 118 programPoint places, -4 predicate places. [2022-11-18 18:36:58,305 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 111 transitions, 230 flow [2022-11-18 18:36:58,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states 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 18:36:58,305 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:36:58,306 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:36:58,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:36:58,307 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-18 18:36:58,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:36:58,307 INFO L85 PathProgramCache]: Analyzing trace with hash 444633768, now seen corresponding path program 1 times [2022-11-18 18:36:58,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:36:58,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719620147] [2022-11-18 18:36:58,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:36:58,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:36:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:58,420 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 18:36:58,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:36:58,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719620147] [2022-11-18 18:36:58,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719620147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:36:58,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:36:58,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:36:58,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515004913] [2022-11-18 18:36:58,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:36:58,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:36:58,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:36:58,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:36:58,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:36:58,425 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 135 [2022-11-18 18:36:58,426 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 111 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states 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 18:36:58,428 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:36:58,429 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 135 [2022-11-18 18:36:58,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:36:58,523 INFO L130 PetriNetUnfolder]: 17/247 cut-off events. [2022-11-18 18:36:58,523 INFO L131 PetriNetUnfolder]: For 6/10 co-relation queries the response was YES. [2022-11-18 18:36:58,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 247 events. 17/247 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 871 event pairs, 4 based on Foata normal form. 1/209 useless extension candidates. Maximal degree in co-relation 254. Up to 31 conditions per place. [2022-11-18 18:36:58,526 INFO L137 encePairwiseOnDemand]: 131/135 looper letters, 11 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2022-11-18 18:36:58,527 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 112 transitions, 259 flow [2022-11-18 18:36:58,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:36:58,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:36:58,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 369 transitions. [2022-11-18 18:36:58,530 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9111111111111111 [2022-11-18 18:36:58,531 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 369 transitions. [2022-11-18 18:36:58,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 369 transitions. [2022-11-18 18:36:58,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:36:58,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 369 transitions. [2022-11-18 18:36:58,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states 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 18:36:58,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:36:58,535 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:36:58,536 INFO L175 Difference]: Start difference. First operand has 114 places, 111 transitions, 230 flow. Second operand 3 states and 369 transitions. [2022-11-18 18:36:58,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 112 transitions, 259 flow [2022-11-18 18:36:58,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 112 transitions, 255 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:36:58,542 INFO L231 Difference]: Finished difference. Result has 113 places, 111 transitions, 236 flow [2022-11-18 18:36:58,542 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=113, PETRI_TRANSITIONS=111} [2022-11-18 18:36:58,545 INFO L288 CegarLoopForPetriNet]: 118 programPoint places, -5 predicate places. [2022-11-18 18:36:58,545 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 111 transitions, 236 flow [2022-11-18 18:36:58,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states 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 18:36:58,546 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:36:58,547 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] [2022-11-18 18:36:58,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:36:58,547 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-18 18:36:58,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:36:58,548 INFO L85 PathProgramCache]: Analyzing trace with hash 405766401, now seen corresponding path program 1 times [2022-11-18 18:36:58,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:36:58,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802549989] [2022-11-18 18:36:58,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:36:58,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:36:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:58,607 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 18:36:58,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:36:58,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802549989] [2022-11-18 18:36:58,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802549989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:36:58,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:36:58,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:36:58,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25273534] [2022-11-18 18:36:58,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:36:58,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:36:58,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:36:58,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:36:58,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:36:58,611 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 135 [2022-11-18 18:36:58,611 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 111 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states 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 18:36:58,612 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:36:58,612 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 135 [2022-11-18 18:36:58,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:36:58,659 INFO L130 PetriNetUnfolder]: 14/172 cut-off events. [2022-11-18 18:36:58,660 INFO L131 PetriNetUnfolder]: For 4/12 co-relation queries the response was YES. [2022-11-18 18:36:58,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 172 events. 14/172 cut-off events. For 4/12 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 485 event pairs, 3 based on Foata normal form. 2/154 useless extension candidates. Maximal degree in co-relation 148. Up to 16 conditions per place. [2022-11-18 18:36:58,662 INFO L137 encePairwiseOnDemand]: 130/135 looper letters, 9 selfloop transitions, 3 changer transitions 0/110 dead transitions. [2022-11-18 18:36:58,662 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 110 transitions, 259 flow [2022-11-18 18:36:58,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:36:58,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:36:58,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2022-11-18 18:36:58,664 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.908641975308642 [2022-11-18 18:36:58,664 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 368 transitions. [2022-11-18 18:36:58,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 368 transitions. [2022-11-18 18:36:58,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:36:58,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 368 transitions. [2022-11-18 18:36:58,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states 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 18:36:58,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:36:58,672 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:36:58,673 INFO L175 Difference]: Start difference. First operand has 113 places, 111 transitions, 236 flow. Second operand 3 states and 368 transitions. [2022-11-18 18:36:58,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 110 transitions, 259 flow [2022-11-18 18:36:58,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 110 transitions, 259 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 18:36:58,681 INFO L231 Difference]: Finished difference. Result has 113 places, 109 transitions, 238 flow [2022-11-18 18:36:58,682 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=238, PETRI_PLACES=113, PETRI_TRANSITIONS=109} [2022-11-18 18:36:58,684 INFO L288 CegarLoopForPetriNet]: 118 programPoint places, -5 predicate places. [2022-11-18 18:36:58,684 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 109 transitions, 238 flow [2022-11-18 18:36:58,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states 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 18:36:58,690 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:36:58,690 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] [2022-11-18 18:36:58,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:36:58,691 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-18 18:36:58,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:36:58,691 INFO L85 PathProgramCache]: Analyzing trace with hash -900501949, now seen corresponding path program 1 times [2022-11-18 18:36:58,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:36:58,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891885175] [2022-11-18 18:36:58,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:36:58,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:36:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:58,775 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 18:36:58,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:36:58,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891885175] [2022-11-18 18:36:58,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891885175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:36:58,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:36:58,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:36:58,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932991000] [2022-11-18 18:36:58,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:36:58,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:36:58,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:36:58,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:36:58,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:36:58,778 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 135 [2022-11-18 18:36:58,779 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 109 transitions, 238 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states 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 18:36:58,779 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:36:58,779 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 135 [2022-11-18 18:36:58,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:36:58,856 INFO L130 PetriNetUnfolder]: 27/257 cut-off events. [2022-11-18 18:36:58,856 INFO L131 PetriNetUnfolder]: For 9/13 co-relation queries the response was YES. [2022-11-18 18:36:58,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 257 events. 27/257 cut-off events. For 9/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 986 event pairs, 2 based on Foata normal form. 1/227 useless extension candidates. Maximal degree in co-relation 257. Up to 40 conditions per place. [2022-11-18 18:36:58,858 INFO L137 encePairwiseOnDemand]: 131/135 looper letters, 12 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2022-11-18 18:36:58,858 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 111 transitions, 272 flow [2022-11-18 18:36:58,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:36:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:36:58,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions. [2022-11-18 18:36:58,861 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9135802469135802 [2022-11-18 18:36:58,861 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 370 transitions. [2022-11-18 18:36:58,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 370 transitions. [2022-11-18 18:36:58,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:36:58,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 370 transitions. [2022-11-18 18:36:58,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 states 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 18:36:58,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:36:58,865 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:36:58,865 INFO L175 Difference]: Start difference. First operand has 113 places, 109 transitions, 238 flow. Second operand 3 states and 370 transitions. [2022-11-18 18:36:58,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 111 transitions, 272 flow [2022-11-18 18:36:58,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 111 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:36:58,869 INFO L231 Difference]: Finished difference. Result has 112 places, 109 transitions, 242 flow [2022-11-18 18:36:58,869 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=112, PETRI_TRANSITIONS=109} [2022-11-18 18:36:58,870 INFO L288 CegarLoopForPetriNet]: 118 programPoint places, -6 predicate places. [2022-11-18 18:36:58,870 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 109 transitions, 242 flow [2022-11-18 18:36:58,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states 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 18:36:58,871 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:36:58,871 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:36:58,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:36:58,872 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-18 18:36:58,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:36:58,872 INFO L85 PathProgramCache]: Analyzing trace with hash 2067395718, now seen corresponding path program 1 times [2022-11-18 18:36:58,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:36:58,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268005642] [2022-11-18 18:36:58,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:36:58,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:36:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:58,974 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 18:36:58,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:36:58,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268005642] [2022-11-18 18:36:58,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268005642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:36:58,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:36:58,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:36:58,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760235929] [2022-11-18 18:36:58,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:36:58,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:36:58,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:36:58,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:36:58,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:36:58,977 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 135 [2022-11-18 18:36:58,978 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 109 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states 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 18:36:58,978 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:36:58,978 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 135 [2022-11-18 18:36:58,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:36:59,050 INFO L130 PetriNetUnfolder]: 21/211 cut-off events. [2022-11-18 18:36:59,050 INFO L131 PetriNetUnfolder]: For 5/10 co-relation queries the response was YES. [2022-11-18 18:36:59,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 211 events. 21/211 cut-off events. For 5/10 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 718 event pairs, 6 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 215. Up to 28 conditions per place. [2022-11-18 18:36:59,052 INFO L137 encePairwiseOnDemand]: 132/135 looper letters, 11 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2022-11-18 18:36:59,052 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 109 transitions, 269 flow [2022-11-18 18:36:59,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:36:59,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:36:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 362 transitions. [2022-11-18 18:36:59,054 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8938271604938272 [2022-11-18 18:36:59,054 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 362 transitions. [2022-11-18 18:36:59,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 362 transitions. [2022-11-18 18:36:59,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:36:59,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 362 transitions. [2022-11-18 18:36:59,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states 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 18:36:59,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:36:59,058 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:36:59,058 INFO L175 Difference]: Start difference. First operand has 112 places, 109 transitions, 242 flow. Second operand 3 states and 362 transitions. [2022-11-18 18:36:59,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 109 transitions, 269 flow [2022-11-18 18:36:59,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 109 transitions, 269 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 18:36:59,061 INFO L231 Difference]: Finished difference. Result has 113 places, 108 transitions, 244 flow [2022-11-18 18:36:59,061 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=113, PETRI_TRANSITIONS=108} [2022-11-18 18:36:59,064 INFO L288 CegarLoopForPetriNet]: 118 programPoint places, -5 predicate places. [2022-11-18 18:36:59,065 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 108 transitions, 244 flow [2022-11-18 18:36:59,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states 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 18:36:59,065 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:36:59,066 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:36:59,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:36:59,066 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-18 18:36:59,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:36:59,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1683685929, now seen corresponding path program 1 times [2022-11-18 18:36:59,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:36:59,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910986606] [2022-11-18 18:36:59,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:36:59,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:36:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:59,173 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 18:36:59,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:36:59,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910986606] [2022-11-18 18:36:59,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910986606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:36:59,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:36:59,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:36:59,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870186934] [2022-11-18 18:36:59,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:36:59,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:36:59,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:36:59,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:36:59,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:36:59,177 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 135 [2022-11-18 18:36:59,177 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 108 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states 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 18:36:59,177 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:36:59,178 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 135 [2022-11-18 18:36:59,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:36:59,247 INFO L130 PetriNetUnfolder]: 23/207 cut-off events. [2022-11-18 18:36:59,247 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-18 18:36:59,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 207 events. 23/207 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 659 event pairs, 3 based on Foata normal form. 2/191 useless extension candidates. Maximal degree in co-relation 235. Up to 23 conditions per place. [2022-11-18 18:36:59,249 INFO L137 encePairwiseOnDemand]: 130/135 looper letters, 7 selfloop transitions, 2 changer transitions 5/107 dead transitions. [2022-11-18 18:36:59,249 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 107 transitions, 265 flow [2022-11-18 18:36:59,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:36:59,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:36:59,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2022-11-18 18:36:59,251 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9061728395061729 [2022-11-18 18:36:59,251 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2022-11-18 18:36:59,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2022-11-18 18:36:59,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:36:59,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2022-11-18 18:36:59,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states 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 18:36:59,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:36:59,255 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:36:59,255 INFO L175 Difference]: Start difference. First operand has 113 places, 108 transitions, 244 flow. Second operand 3 states and 367 transitions. [2022-11-18 18:36:59,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 107 transitions, 265 flow [2022-11-18 18:36:59,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 107 transitions, 261 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:36:59,258 INFO L231 Difference]: Finished difference. Result has 111 places, 101 transitions, 229 flow [2022-11-18 18:36:59,258 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=229, PETRI_PLACES=111, PETRI_TRANSITIONS=101} [2022-11-18 18:36:59,259 INFO L288 CegarLoopForPetriNet]: 118 programPoint places, -7 predicate places. [2022-11-18 18:36:59,259 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 101 transitions, 229 flow [2022-11-18 18:36:59,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states 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 18:36:59,260 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:36:59,260 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] [2022-11-18 18:36:59,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:36:59,260 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-18 18:36:59,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:36:59,261 INFO L85 PathProgramCache]: Analyzing trace with hash -519261917, now seen corresponding path program 1 times [2022-11-18 18:36:59,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:36:59,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589210760] [2022-11-18 18:36:59,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:36:59,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:36:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:59,770 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 18:36:59,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:36:59,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589210760] [2022-11-18 18:36:59,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589210760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:36:59,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:36:59,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:36:59,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774526788] [2022-11-18 18:36:59,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:36:59,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:36:59,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:36:59,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:36:59,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:36:59,774 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 135 [2022-11-18 18:36:59,776 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 101 transitions, 229 flow. Second operand has 6 states, 6 states have (on average 110.83333333333333) internal successors, (665), 6 states have internal predecessors, (665), 0 states have call successors, (0), 0 states 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 18:36:59,776 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:36:59,776 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 135 [2022-11-18 18:36:59,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:36:59,896 INFO L130 PetriNetUnfolder]: 10/169 cut-off events. [2022-11-18 18:36:59,897 INFO L131 PetriNetUnfolder]: For 1/8 co-relation queries the response was YES. [2022-11-18 18:36:59,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 169 events. 10/169 cut-off events. For 1/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 437 event pairs, 0 based on Foata normal form. 4/160 useless extension candidates. Maximal degree in co-relation 156. Up to 16 conditions per place. [2022-11-18 18:36:59,899 INFO L137 encePairwiseOnDemand]: 130/135 looper letters, 14 selfloop transitions, 4 changer transitions 0/100 dead transitions. [2022-11-18 18:36:59,899 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 100 transitions, 263 flow [2022-11-18 18:36:59,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:36:59,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:36:59,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 673 transitions. [2022-11-18 18:36:59,903 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8308641975308642 [2022-11-18 18:36:59,903 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 673 transitions. [2022-11-18 18:36:59,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 673 transitions. [2022-11-18 18:36:59,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:36:59,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 673 transitions. [2022-11-18 18:36:59,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 112.16666666666667) internal successors, (673), 6 states have internal predecessors, (673), 0 states have call successors, (0), 0 states 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 18:36:59,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 135.0) internal successors, (945), 7 states have internal predecessors, (945), 0 states have call successors, (0), 0 states 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 18:36:59,909 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 135.0) internal successors, (945), 7 states have internal predecessors, (945), 0 states have call successors, (0), 0 states 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 18:36:59,909 INFO L175 Difference]: Start difference. First operand has 111 places, 101 transitions, 229 flow. Second operand 6 states and 673 transitions. [2022-11-18 18:36:59,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 100 transitions, 263 flow [2022-11-18 18:36:59,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 100 transitions, 259 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:36:59,912 INFO L231 Difference]: Finished difference. Result has 108 places, 100 transitions, 231 flow [2022-11-18 18:36:59,913 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=231, PETRI_PLACES=108, PETRI_TRANSITIONS=100} [2022-11-18 18:36:59,917 INFO L288 CegarLoopForPetriNet]: 118 programPoint places, -10 predicate places. [2022-11-18 18:36:59,917 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 100 transitions, 231 flow [2022-11-18 18:36:59,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 110.83333333333333) internal successors, (665), 6 states have internal predecessors, (665), 0 states have call successors, (0), 0 states 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 18:36:59,918 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:36:59,918 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:36:59,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:36:59,918 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-18 18:36:59,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:36:59,919 INFO L85 PathProgramCache]: Analyzing trace with hash 759939246, now seen corresponding path program 1 times [2022-11-18 18:36:59,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:36:59,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897964456] [2022-11-18 18:36:59,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:36:59,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:36:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:59,980 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 18:36:59,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:36:59,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897964456] [2022-11-18 18:36:59,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897964456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:36:59,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:36:59,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:36:59,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712388379] [2022-11-18 18:36:59,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:36:59,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:36:59,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:36:59,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:36:59,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:36:59,984 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 135 [2022-11-18 18:36:59,984 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 100 transitions, 231 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states 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 18:36:59,985 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:36:59,985 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 135 [2022-11-18 18:36:59,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:00,033 INFO L130 PetriNetUnfolder]: 22/196 cut-off events. [2022-11-18 18:37:00,033 INFO L131 PetriNetUnfolder]: For 12/13 co-relation queries the response was YES. [2022-11-18 18:37:00,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 196 events. 22/196 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 632 event pairs, 4 based on Foata normal form. 0/181 useless extension candidates. Maximal degree in co-relation 215. Up to 33 conditions per place. [2022-11-18 18:37:00,035 INFO L137 encePairwiseOnDemand]: 132/135 looper letters, 8 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2022-11-18 18:37:00,035 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 100 transitions, 252 flow [2022-11-18 18:37:00,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:37:00,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:37:00,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions. [2022-11-18 18:37:00,038 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8864197530864197 [2022-11-18 18:37:00,040 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 359 transitions. [2022-11-18 18:37:00,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 359 transitions. [2022-11-18 18:37:00,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:00,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 359 transitions. [2022-11-18 18:37:00,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states 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 18:37:00,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:37:00,044 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states 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 18:37:00,044 INFO L175 Difference]: Start difference. First operand has 108 places, 100 transitions, 231 flow. Second operand 3 states and 359 transitions. [2022-11-18 18:37:00,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 100 transitions, 252 flow [2022-11-18 18:37:00,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 100 transitions, 245 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:37:00,048 INFO L231 Difference]: Finished difference. Result has 105 places, 99 transitions, 226 flow [2022-11-18 18:37:00,049 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=105, PETRI_TRANSITIONS=99} [2022-11-18 18:37:00,049 INFO L288 CegarLoopForPetriNet]: 118 programPoint places, -13 predicate places. [2022-11-18 18:37:00,050 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 99 transitions, 226 flow [2022-11-18 18:37:00,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states 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 18:37:00,050 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:00,050 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] [2022-11-18 18:37:00,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 18:37:00,051 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-18 18:37:00,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:00,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1270378214, now seen corresponding path program 1 times [2022-11-18 18:37:00,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:00,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326779232] [2022-11-18 18:37:00,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:00,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:00,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:00,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326779232] [2022-11-18 18:37:00,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326779232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:00,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:00,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:37:00,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333118580] [2022-11-18 18:37:00,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:00,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:37:00,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:00,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:37:00,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:37:00,493 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 135 [2022-11-18 18:37:00,494 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 99 transitions, 226 flow. Second operand has 6 states, 6 states have (on average 111.83333333333333) internal successors, (671), 6 states have internal predecessors, (671), 0 states have call successors, (0), 0 states 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 18:37:00,494 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:00,494 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 135 [2022-11-18 18:37:00,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:00,547 INFO L130 PetriNetUnfolder]: 10/164 cut-off events. [2022-11-18 18:37:00,547 INFO L131 PetriNetUnfolder]: For 1/8 co-relation queries the response was YES. [2022-11-18 18:37:00,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 164 events. 10/164 cut-off events. For 1/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 419 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 171. Up to 15 conditions per place. [2022-11-18 18:37:00,549 INFO L137 encePairwiseOnDemand]: 130/135 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2022-11-18 18:37:00,549 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 98 transitions, 258 flow [2022-11-18 18:37:00,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:37:00,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:37:00,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 672 transitions. [2022-11-18 18:37:00,551 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8296296296296296 [2022-11-18 18:37:00,551 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 672 transitions. [2022-11-18 18:37:00,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 672 transitions. [2022-11-18 18:37:00,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:00,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 672 transitions. [2022-11-18 18:37:00,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 112.0) internal successors, (672), 6 states have internal predecessors, (672), 0 states have call successors, (0), 0 states 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 18:37:00,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 135.0) internal successors, (945), 7 states have internal predecessors, (945), 0 states have call successors, (0), 0 states 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 18:37:00,556 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 135.0) internal successors, (945), 7 states have internal predecessors, (945), 0 states have call successors, (0), 0 states 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 18:37:00,556 INFO L175 Difference]: Start difference. First operand has 105 places, 99 transitions, 226 flow. Second operand 6 states and 672 transitions. [2022-11-18 18:37:00,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 98 transitions, 258 flow [2022-11-18 18:37:00,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 98 transitions, 254 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:37:00,558 INFO L231 Difference]: Finished difference. Result has 107 places, 0 transitions, 0 flow [2022-11-18 18:37:00,559 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=107, PETRI_TRANSITIONS=0} [2022-11-18 18:37:00,559 INFO L288 CegarLoopForPetriNet]: 118 programPoint places, -11 predicate places. [2022-11-18 18:37:00,559 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 0 transitions, 0 flow [2022-11-18 18:37:00,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 111.83333333333333) internal successors, (671), 6 states have internal predecessors, (671), 0 states have call successors, (0), 0 states 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 18:37:00,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 24 remaining) [2022-11-18 18:37:00,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining) [2022-11-18 18:37:00,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2022-11-18 18:37:00,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2022-11-18 18:37:00,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2022-11-18 18:37:00,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2022-11-18 18:37:00,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2022-11-18 18:37:00,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2022-11-18 18:37:00,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2022-11-18 18:37:00,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2022-11-18 18:37:00,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining) [2022-11-18 18:37:00,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining) [2022-11-18 18:37:00,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining) [2022-11-18 18:37:00,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining) [2022-11-18 18:37:00,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 24 remaining) [2022-11-18 18:37:00,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 24 remaining) [2022-11-18 18:37:00,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2022-11-18 18:37:00,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2022-11-18 18:37:00,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2022-11-18 18:37:00,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2022-11-18 18:37:00,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2022-11-18 18:37:00,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2022-11-18 18:37:00,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2022-11-18 18:37:00,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2022-11-18 18:37:00,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 18:37:00,580 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:37:00,586 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 18:37:00,587 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:37:00,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:37:00 BasicIcfg [2022-11-18 18:37:00,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:37:00,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:37:00,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:37:00,593 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:37:00,594 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:36:57" (3/4) ... [2022-11-18 18:37:00,597 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:37:00,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 18:37:00,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 18:37:00,609 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-18 18:37:00,609 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 18:37:00,609 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 18:37:00,610 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:37:00,643 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:37:00,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:37:00,644 INFO L158 Benchmark]: Toolchain (without parser) took 4518.03ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 86.2MB in the beginning and 142.1MB in the end (delta: -55.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:37:00,644 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:37:00,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.09ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 91.7MB in the end (delta: -5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 18:37:00,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.57ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 90.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:37:00,645 INFO L158 Benchmark]: Boogie Preprocessor took 60.67ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 88.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:37:00,646 INFO L158 Benchmark]: RCFGBuilder took 537.16ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 73.9MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 18:37:00,646 INFO L158 Benchmark]: TraceAbstraction took 3428.80ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 73.3MB in the beginning and 145.2MB in the end (delta: -71.9MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2022-11-18 18:37:00,646 INFO L158 Benchmark]: Witness Printer took 50.38ms. Allocated memory is still 172.0MB. Free memory was 145.2MB in the beginning and 142.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:37:00,649 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.09ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 91.7MB in the end (delta: -5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.57ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 90.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.67ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 88.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 537.16ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 73.9MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3428.80ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 73.3MB in the beginning and 145.2MB in the end (delta: -71.9MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * Witness Printer took 50.38ms. Allocated memory is still 172.0MB. Free memory was 145.2MB in the beginning and 142.1MB 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: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 179 locations, 24 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: 3.2s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 69 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred in iteration=6, InterpolantAutomatonStates: 36, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 423 NumberOfCodeBlocks, 423 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 413 ConstructedInterpolants, 0 QuantifiedInterpolants, 591 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 18:37:00,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e6862c-92fe-499d-b238-88a584c36a41/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