./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8 --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 3c2ccb27a3ce50ce458a10a4aa8fbbd4d9c9d88060b8c7df98385ed8946afbfa --- 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-e04fb08 [2022-11-16 11:07:24,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:07:24,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:07:24,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:07:24,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:07:24,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:07:24,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:07:24,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:07:25,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:07:25,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:07:25,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:07:25,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:07:25,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:07:25,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:07:25,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:07:25,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:07:25,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:07:25,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:07:25,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:07:25,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:07:25,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:07:25,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:07:25,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:07:25,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:07:25,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:07:25,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:07:25,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:07:25,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:07:25,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:07:25,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:07:25,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:07:25,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:07:25,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:07:25,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:07:25,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:07:25,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:07:25,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:07:25,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:07:25,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:07:25,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:07:25,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:07:25,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:07:25,127 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:07:25,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:07:25,129 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:07:25,129 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:07:25,130 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:07:25,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:07:25,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:07:25,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:07:25,132 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:07:25,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:07:25,134 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:07:25,134 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:07:25,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:07:25,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:07:25,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:07:25,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:07:25,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:07:25,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:07:25,136 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:07:25,136 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:07:25,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:07:25,137 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:07:25,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:07:25,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:07:25,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:07:25,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:07:25,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:07:25,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:07:25,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:07:25,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:07:25,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:07:25,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:07:25,143 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:07:25,143 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:07:25,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:07:25,143 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_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c2ccb27a3ce50ce458a10a4aa8fbbd4d9c9d88060b8c7df98385ed8946afbfa [2022-11-16 11:07:25,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:07:25,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:07:25,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:07:25,603 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:07:25,604 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:07:25,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2022-11-16 11:07:25,703 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/data/3eee2f5b5/ddcd4b3de572411bad50de0f2cb66a83/FLAG5c0ac6626 [2022-11-16 11:07:26,349 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:07:26,350 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2022-11-16 11:07:26,361 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/data/3eee2f5b5/ddcd4b3de572411bad50de0f2cb66a83/FLAG5c0ac6626 [2022-11-16 11:07:26,687 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/data/3eee2f5b5/ddcd4b3de572411bad50de0f2cb66a83 [2022-11-16 11:07:26,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:07:26,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:07:26,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:07:26,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:07:26,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:07:26,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:07:26" (1/1) ... [2022-11-16 11:07:26,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2fe28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:26, skipping insertion in model container [2022-11-16 11:07:26,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:07:26" (1/1) ... [2022-11-16 11:07:26,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:07:26,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:07:27,070 WARN L229 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_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/sv-benchmarks/c/weaver/chl-match-subst.wvr.c[3017,3030] [2022-11-16 11:07:27,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:07:27,098 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:07:27,180 WARN L229 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_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/sv-benchmarks/c/weaver/chl-match-subst.wvr.c[3017,3030] [2022-11-16 11:07:27,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:07:27,224 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:07:27,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:27 WrapperNode [2022-11-16 11:07:27,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:07:27,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:07:27,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:07:27,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:07:27,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:27" (1/1) ... [2022-11-16 11:07:27,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:27" (1/1) ... [2022-11-16 11:07:27,326 INFO L138 Inliner]: procedures = 23, calls = 34, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 343 [2022-11-16 11:07:27,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:07:27,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:07:27,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:07:27,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:07:27,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:27" (1/1) ... [2022-11-16 11:07:27,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:27" (1/1) ... [2022-11-16 11:07:27,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:27" (1/1) ... [2022-11-16 11:07:27,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:27" (1/1) ... [2022-11-16 11:07:27,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:27" (1/1) ... [2022-11-16 11:07:27,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:27" (1/1) ... [2022-11-16 11:07:27,405 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:27" (1/1) ... [2022-11-16 11:07:27,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:27" (1/1) ... [2022-11-16 11:07:27,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:07:27,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:07:27,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:07:27,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:07:27,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:27" (1/1) ... [2022-11-16 11:07:27,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:07:27,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:07:27,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:07:27,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:07:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:07:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 11:07:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 11:07:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 11:07:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 11:07:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 11:07:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 11:07:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:07:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:07:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:07:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:07:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:07:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:07:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:07:27,553 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:07:27,776 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:07:27,778 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:07:28,545 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:07:28,561 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:07:28,562 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:07:28,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:07:28 BoogieIcfgContainer [2022-11-16 11:07:28,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:07:28,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:07:28,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:07:28,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:07:28,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:07:26" (1/3) ... [2022-11-16 11:07:28,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e67f41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:07:28, skipping insertion in model container [2022-11-16 11:07:28,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:27" (2/3) ... [2022-11-16 11:07:28,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e67f41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:07:28, skipping insertion in model container [2022-11-16 11:07:28,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:07:28" (3/3) ... [2022-11-16 11:07:28,576 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-subst.wvr.c [2022-11-16 11:07:28,588 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:07:28,601 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:07:28,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-11-16 11:07:28,601 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:07:28,776 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 11:07:28,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 465 places, 473 transitions, 970 flow [2022-11-16 11:07:29,186 INFO L130 PetriNetUnfolder]: 18/470 cut-off events. [2022-11-16 11:07:29,187 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 11:07:29,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 470 events. 18/470 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 813 event pairs, 0 based on Foata normal form. 0/408 useless extension candidates. Maximal degree in co-relation 308. Up to 2 conditions per place. [2022-11-16 11:07:29,206 INFO L82 GeneralOperation]: Start removeDead. Operand has 465 places, 473 transitions, 970 flow [2022-11-16 11:07:29,252 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 441 places, 447 transitions, 912 flow [2022-11-16 11:07:29,265 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:07:29,274 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;@3cfb2b30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:07:29,274 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2022-11-16 11:07:29,280 INFO L130 PetriNetUnfolder]: 0/31 cut-off events. [2022-11-16 11:07:29,281 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:07:29,281 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:29,282 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:29,283 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:29,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:29,290 INFO L85 PathProgramCache]: Analyzing trace with hash 639193873, now seen corresponding path program 1 times [2022-11-16 11:07:29,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:29,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484973440] [2022-11-16 11:07:29,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:29,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:29,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:29,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:29,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484973440] [2022-11-16 11:07:29,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484973440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:29,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:29,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:29,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199695821] [2022-11-16 11:07:29,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:29,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:29,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:29,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:29,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:29,722 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 473 [2022-11-16 11:07:29,741 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 447 transitions, 912 flow. Second operand has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:29,741 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:29,743 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 473 [2022-11-16 11:07:29,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:30,496 INFO L130 PetriNetUnfolder]: 156/1374 cut-off events. [2022-11-16 11:07:30,496 INFO L131 PetriNetUnfolder]: For 84/126 co-relation queries the response was YES. [2022-11-16 11:07:30,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1753 conditions, 1374 events. 156/1374 cut-off events. For 84/126 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 7824 event pairs, 132 based on Foata normal form. 95/1203 useless extension candidates. Maximal degree in co-relation 1532. Up to 250 conditions per place. [2022-11-16 11:07:30,530 INFO L137 encePairwiseOnDemand]: 457/473 looper letters, 21 selfloop transitions, 2 changer transitions 1/433 dead transitions. [2022-11-16 11:07:30,531 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 433 transitions, 930 flow [2022-11-16 11:07:30,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:30,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1339 transitions. [2022-11-16 11:07:30,565 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9436222692036645 [2022-11-16 11:07:30,566 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1339 transitions. [2022-11-16 11:07:30,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1339 transitions. [2022-11-16 11:07:30,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:30,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1339 transitions. [2022-11-16 11:07:30,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 446.3333333333333) internal successors, (1339), 3 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:30,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:30,602 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:30,605 INFO L175 Difference]: Start difference. First operand has 441 places, 447 transitions, 912 flow. Second operand 3 states and 1339 transitions. [2022-11-16 11:07:30,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 433 transitions, 930 flow [2022-11-16 11:07:30,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 433 transitions, 918 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-16 11:07:30,632 INFO L231 Difference]: Finished difference. Result has 436 places, 432 transitions, 874 flow [2022-11-16 11:07:30,635 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=872, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=874, PETRI_PLACES=436, PETRI_TRANSITIONS=432} [2022-11-16 11:07:30,646 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -5 predicate places. [2022-11-16 11:07:30,646 INFO L495 AbstractCegarLoop]: Abstraction has has 436 places, 432 transitions, 874 flow [2022-11-16 11:07:30,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:30,648 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:30,648 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:30,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:07:30,650 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:30,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:30,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1998370503, now seen corresponding path program 1 times [2022-11-16 11:07:30,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:30,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438792244] [2022-11-16 11:07:30,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:30,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:30,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:30,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:30,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438792244] [2022-11-16 11:07:30,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438792244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:30,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:30,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:30,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711127046] [2022-11-16 11:07:30,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:30,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:30,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:30,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:30,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:30,820 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 473 [2022-11-16 11:07:30,822 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 432 transitions, 874 flow. Second operand has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:30,826 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:30,826 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 473 [2022-11-16 11:07:30,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:31,307 INFO L130 PetriNetUnfolder]: 52/1360 cut-off events. [2022-11-16 11:07:31,308 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-16 11:07:31,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1472 conditions, 1360 events. 52/1360 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7485 event pairs, 39 based on Foata normal form. 0/1137 useless extension candidates. Maximal degree in co-relation 1432. Up to 85 conditions per place. [2022-11-16 11:07:31,332 INFO L137 encePairwiseOnDemand]: 470/473 looper letters, 15 selfloop transitions, 2 changer transitions 0/431 dead transitions. [2022-11-16 11:07:31,332 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 431 transitions, 906 flow [2022-11-16 11:07:31,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:31,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:31,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1338 transitions. [2022-11-16 11:07:31,337 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9429175475687104 [2022-11-16 11:07:31,337 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1338 transitions. [2022-11-16 11:07:31,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1338 transitions. [2022-11-16 11:07:31,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:31,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1338 transitions. [2022-11-16 11:07:31,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 446.0) internal successors, (1338), 3 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:31,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:31,349 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:31,349 INFO L175 Difference]: Start difference. First operand has 436 places, 432 transitions, 874 flow. Second operand 3 states and 1338 transitions. [2022-11-16 11:07:31,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 431 transitions, 906 flow [2022-11-16 11:07:31,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 431 transitions, 902 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:07:31,360 INFO L231 Difference]: Finished difference. Result has 434 places, 431 transitions, 872 flow [2022-11-16 11:07:31,361 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=872, PETRI_PLACES=434, PETRI_TRANSITIONS=431} [2022-11-16 11:07:31,362 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -7 predicate places. [2022-11-16 11:07:31,363 INFO L495 AbstractCegarLoop]: Abstraction has has 434 places, 431 transitions, 872 flow [2022-11-16 11:07:31,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:31,364 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:31,364 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] [2022-11-16 11:07:31,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:07:31,365 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:31,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:31,367 INFO L85 PathProgramCache]: Analyzing trace with hash 955183466, now seen corresponding path program 1 times [2022-11-16 11:07:31,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:31,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733906392] [2022-11-16 11:07:31,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:31,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:31,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:31,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:31,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733906392] [2022-11-16 11:07:31,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733906392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:31,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:31,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:31,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759235964] [2022-11-16 11:07:31,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:31,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:31,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:31,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:31,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:31,510 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 473 [2022-11-16 11:07:31,513 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 431 transitions, 872 flow. Second operand has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:31,513 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:31,513 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 473 [2022-11-16 11:07:31,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:32,031 INFO L130 PetriNetUnfolder]: 53/1412 cut-off events. [2022-11-16 11:07:32,033 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-16 11:07:32,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1524 conditions, 1412 events. 53/1412 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 8100 event pairs, 39 based on Foata normal form. 0/1197 useless extension candidates. Maximal degree in co-relation 1477. Up to 85 conditions per place. [2022-11-16 11:07:32,067 INFO L137 encePairwiseOnDemand]: 470/473 looper letters, 15 selfloop transitions, 2 changer transitions 0/430 dead transitions. [2022-11-16 11:07:32,067 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 430 transitions, 904 flow [2022-11-16 11:07:32,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:32,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:32,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1338 transitions. [2022-11-16 11:07:32,073 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9429175475687104 [2022-11-16 11:07:32,075 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1338 transitions. [2022-11-16 11:07:32,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1338 transitions. [2022-11-16 11:07:32,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:32,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1338 transitions. [2022-11-16 11:07:32,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 446.0) internal successors, (1338), 3 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:32,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:32,089 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:32,089 INFO L175 Difference]: Start difference. First operand has 434 places, 431 transitions, 872 flow. Second operand 3 states and 1338 transitions. [2022-11-16 11:07:32,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 430 transitions, 904 flow [2022-11-16 11:07:32,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 430 transitions, 900 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:07:32,101 INFO L231 Difference]: Finished difference. Result has 433 places, 430 transitions, 870 flow [2022-11-16 11:07:32,102 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=866, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=870, PETRI_PLACES=433, PETRI_TRANSITIONS=430} [2022-11-16 11:07:32,105 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -8 predicate places. [2022-11-16 11:07:32,106 INFO L495 AbstractCegarLoop]: Abstraction has has 433 places, 430 transitions, 870 flow [2022-11-16 11:07:32,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:32,107 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:32,107 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] [2022-11-16 11:07:32,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:07:32,108 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:32,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:32,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1970917723, now seen corresponding path program 1 times [2022-11-16 11:07:32,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:32,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566563993] [2022-11-16 11:07:32,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:32,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:32,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:32,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566563993] [2022-11-16 11:07:32,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566563993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:32,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:32,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:32,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809028667] [2022-11-16 11:07:32,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:32,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:32,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:32,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:32,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:32,259 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 473 [2022-11-16 11:07:32,262 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 430 transitions, 870 flow. Second operand has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:32,262 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:32,265 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 473 [2022-11-16 11:07:32,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:32,693 INFO L130 PetriNetUnfolder]: 75/932 cut-off events. [2022-11-16 11:07:32,693 INFO L131 PetriNetUnfolder]: For 15/54 co-relation queries the response was YES. [2022-11-16 11:07:32,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1095 conditions, 932 events. 75/932 cut-off events. For 15/54 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4122 event pairs, 60 based on Foata normal form. 0/758 useless extension candidates. Maximal degree in co-relation 1041. Up to 142 conditions per place. [2022-11-16 11:07:32,714 INFO L137 encePairwiseOnDemand]: 470/473 looper letters, 21 selfloop transitions, 2 changer transitions 0/429 dead transitions. [2022-11-16 11:07:32,714 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 429 transitions, 914 flow [2022-11-16 11:07:32,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:32,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:32,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1326 transitions. [2022-11-16 11:07:32,718 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9344608879492601 [2022-11-16 11:07:32,718 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1326 transitions. [2022-11-16 11:07:32,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1326 transitions. [2022-11-16 11:07:32,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:32,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1326 transitions. [2022-11-16 11:07:32,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 442.0) internal successors, (1326), 3 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:32,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:32,734 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:32,734 INFO L175 Difference]: Start difference. First operand has 433 places, 430 transitions, 870 flow. Second operand 3 states and 1326 transitions. [2022-11-16 11:07:32,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 429 transitions, 914 flow [2022-11-16 11:07:32,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 429 transitions, 910 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:07:32,744 INFO L231 Difference]: Finished difference. Result has 432 places, 429 transitions, 868 flow [2022-11-16 11:07:32,745 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=864, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=868, PETRI_PLACES=432, PETRI_TRANSITIONS=429} [2022-11-16 11:07:32,749 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -9 predicate places. [2022-11-16 11:07:32,750 INFO L495 AbstractCegarLoop]: Abstraction has has 432 places, 429 transitions, 868 flow [2022-11-16 11:07:32,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:32,751 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:32,751 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] [2022-11-16 11:07:32,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:07:32,752 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:32,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:32,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1483381899, now seen corresponding path program 1 times [2022-11-16 11:07:32,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:32,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790624264] [2022-11-16 11:07:32,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:32,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:32,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:32,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790624264] [2022-11-16 11:07:32,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790624264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:32,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:32,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:32,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630829717] [2022-11-16 11:07:32,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:32,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:32,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:32,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:32,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:32,866 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 473 [2022-11-16 11:07:32,868 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 429 transitions, 868 flow. Second operand has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:32,868 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:32,869 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 473 [2022-11-16 11:07:32,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:33,250 INFO L130 PetriNetUnfolder]: 31/977 cut-off events. [2022-11-16 11:07:33,250 INFO L131 PetriNetUnfolder]: For 9/81 co-relation queries the response was YES. [2022-11-16 11:07:33,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1050 conditions, 977 events. 31/977 cut-off events. For 9/81 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4590 event pairs, 21 based on Foata normal form. 0/825 useless extension candidates. Maximal degree in co-relation 989. Up to 58 conditions per place. [2022-11-16 11:07:33,270 INFO L137 encePairwiseOnDemand]: 470/473 looper letters, 15 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2022-11-16 11:07:33,270 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 428 transitions, 900 flow [2022-11-16 11:07:33,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:33,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1338 transitions. [2022-11-16 11:07:33,274 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9429175475687104 [2022-11-16 11:07:33,274 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1338 transitions. [2022-11-16 11:07:33,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1338 transitions. [2022-11-16 11:07:33,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:33,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1338 transitions. [2022-11-16 11:07:33,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 446.0) internal successors, (1338), 3 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:33,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:33,285 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:33,285 INFO L175 Difference]: Start difference. First operand has 432 places, 429 transitions, 868 flow. Second operand 3 states and 1338 transitions. [2022-11-16 11:07:33,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 428 transitions, 900 flow [2022-11-16 11:07:33,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 428 transitions, 896 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:07:33,298 INFO L231 Difference]: Finished difference. Result has 431 places, 428 transitions, 866 flow [2022-11-16 11:07:33,299 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=862, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=866, PETRI_PLACES=431, PETRI_TRANSITIONS=428} [2022-11-16 11:07:33,302 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -10 predicate places. [2022-11-16 11:07:33,302 INFO L495 AbstractCegarLoop]: Abstraction has has 431 places, 428 transitions, 866 flow [2022-11-16 11:07:33,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:33,310 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:33,311 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:33,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:07:33,311 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:33,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:33,313 INFO L85 PathProgramCache]: Analyzing trace with hash -248150763, now seen corresponding path program 1 times [2022-11-16 11:07:33,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:33,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599889136] [2022-11-16 11:07:33,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:33,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:33,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:33,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599889136] [2022-11-16 11:07:33,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599889136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:33,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:33,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:33,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024287368] [2022-11-16 11:07:33,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:33,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:33,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:33,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:33,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:33,435 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 473 [2022-11-16 11:07:33,437 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 428 transitions, 866 flow. Second operand has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:33,437 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:33,437 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 473 [2022-11-16 11:07:33,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:33,751 INFO L130 PetriNetUnfolder]: 31/961 cut-off events. [2022-11-16 11:07:33,751 INFO L131 PetriNetUnfolder]: For 9/81 co-relation queries the response was YES. [2022-11-16 11:07:33,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1034 conditions, 961 events. 31/961 cut-off events. For 9/81 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4436 event pairs, 21 based on Foata normal form. 0/813 useless extension candidates. Maximal degree in co-relation 966. Up to 58 conditions per place. [2022-11-16 11:07:33,771 INFO L137 encePairwiseOnDemand]: 470/473 looper letters, 15 selfloop transitions, 2 changer transitions 0/427 dead transitions. [2022-11-16 11:07:33,771 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 427 transitions, 898 flow [2022-11-16 11:07:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:33,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:33,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1338 transitions. [2022-11-16 11:07:33,799 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9429175475687104 [2022-11-16 11:07:33,800 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1338 transitions. [2022-11-16 11:07:33,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1338 transitions. [2022-11-16 11:07:33,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:33,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1338 transitions. [2022-11-16 11:07:33,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 446.0) internal successors, (1338), 3 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:33,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:33,811 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:33,811 INFO L175 Difference]: Start difference. First operand has 431 places, 428 transitions, 866 flow. Second operand 3 states and 1338 transitions. [2022-11-16 11:07:33,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 427 transitions, 898 flow [2022-11-16 11:07:33,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 427 transitions, 894 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:07:33,821 INFO L231 Difference]: Finished difference. Result has 430 places, 427 transitions, 864 flow [2022-11-16 11:07:33,822 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=860, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=864, PETRI_PLACES=430, PETRI_TRANSITIONS=427} [2022-11-16 11:07:33,826 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -11 predicate places. [2022-11-16 11:07:33,826 INFO L495 AbstractCegarLoop]: Abstraction has has 430 places, 427 transitions, 864 flow [2022-11-16 11:07:33,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:33,828 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:33,829 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:33,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:07:33,829 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:33,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:33,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1215105450, now seen corresponding path program 1 times [2022-11-16 11:07:33,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:33,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111337150] [2022-11-16 11:07:33,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:33,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:33,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:33,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:33,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111337150] [2022-11-16 11:07:33,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111337150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:33,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:33,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:33,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133522595] [2022-11-16 11:07:33,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:33,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:33,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:33,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:33,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:33,925 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 473 [2022-11-16 11:07:33,927 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 427 transitions, 864 flow. Second operand has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:33,927 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:33,927 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 473 [2022-11-16 11:07:33,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:34,389 INFO L130 PetriNetUnfolder]: 152/1074 cut-off events. [2022-11-16 11:07:34,390 INFO L131 PetriNetUnfolder]: For 57/63 co-relation queries the response was YES. [2022-11-16 11:07:34,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1339 conditions, 1074 events. 152/1074 cut-off events. For 57/63 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 6109 event pairs, 132 based on Foata normal form. 0/879 useless extension candidates. Maximal degree in co-relation 1264. Up to 250 conditions per place. [2022-11-16 11:07:34,410 INFO L137 encePairwiseOnDemand]: 470/473 looper letters, 21 selfloop transitions, 2 changer transitions 0/426 dead transitions. [2022-11-16 11:07:34,410 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 426 transitions, 908 flow [2022-11-16 11:07:34,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:34,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:34,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1326 transitions. [2022-11-16 11:07:34,416 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9344608879492601 [2022-11-16 11:07:34,416 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1326 transitions. [2022-11-16 11:07:34,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1326 transitions. [2022-11-16 11:07:34,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:34,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1326 transitions. [2022-11-16 11:07:34,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 442.0) internal successors, (1326), 3 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:34,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:34,429 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:34,430 INFO L175 Difference]: Start difference. First operand has 430 places, 427 transitions, 864 flow. Second operand 3 states and 1326 transitions. [2022-11-16 11:07:34,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 426 transitions, 908 flow [2022-11-16 11:07:34,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 426 transitions, 904 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:07:34,442 INFO L231 Difference]: Finished difference. Result has 429 places, 426 transitions, 862 flow [2022-11-16 11:07:34,443 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=862, PETRI_PLACES=429, PETRI_TRANSITIONS=426} [2022-11-16 11:07:34,445 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -12 predicate places. [2022-11-16 11:07:34,445 INFO L495 AbstractCegarLoop]: Abstraction has has 429 places, 426 transitions, 862 flow [2022-11-16 11:07:34,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:34,447 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:34,447 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:34,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:07:34,447 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:34,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:34,448 INFO L85 PathProgramCache]: Analyzing trace with hash -712944633, now seen corresponding path program 1 times [2022-11-16 11:07:34,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:34,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049611964] [2022-11-16 11:07:34,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:34,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:34,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:34,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:34,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049611964] [2022-11-16 11:07:34,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049611964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:34,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:34,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:34,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039666062] [2022-11-16 11:07:34,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:34,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:34,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:34,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:34,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:34,551 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 473 [2022-11-16 11:07:34,554 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 426 transitions, 862 flow. Second operand has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:34,554 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:34,554 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 473 [2022-11-16 11:07:34,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:35,008 INFO L130 PetriNetUnfolder]: 53/1137 cut-off events. [2022-11-16 11:07:35,008 INFO L131 PetriNetUnfolder]: For 21/39 co-relation queries the response was YES. [2022-11-16 11:07:35,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1234 conditions, 1137 events. 53/1137 cut-off events. For 21/39 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5487 event pairs, 39 based on Foata normal form. 0/953 useless extension candidates. Maximal degree in co-relation 1152. Up to 85 conditions per place. [2022-11-16 11:07:35,031 INFO L137 encePairwiseOnDemand]: 470/473 looper letters, 15 selfloop transitions, 2 changer transitions 0/425 dead transitions. [2022-11-16 11:07:35,032 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 425 transitions, 894 flow [2022-11-16 11:07:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:35,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:35,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1338 transitions. [2022-11-16 11:07:35,037 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9429175475687104 [2022-11-16 11:07:35,038 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1338 transitions. [2022-11-16 11:07:35,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1338 transitions. [2022-11-16 11:07:35,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:35,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1338 transitions. [2022-11-16 11:07:35,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 446.0) internal successors, (1338), 3 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:35,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:35,050 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:35,051 INFO L175 Difference]: Start difference. First operand has 429 places, 426 transitions, 862 flow. Second operand 3 states and 1338 transitions. [2022-11-16 11:07:35,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 425 transitions, 894 flow [2022-11-16 11:07:35,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 425 transitions, 890 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:07:35,063 INFO L231 Difference]: Finished difference. Result has 428 places, 425 transitions, 860 flow [2022-11-16 11:07:35,065 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=856, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=860, PETRI_PLACES=428, PETRI_TRANSITIONS=425} [2022-11-16 11:07:35,065 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -13 predicate places. [2022-11-16 11:07:35,066 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 425 transitions, 860 flow [2022-11-16 11:07:35,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:35,067 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:35,067 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:35,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:07:35,068 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:35,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:35,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1511644226, now seen corresponding path program 1 times [2022-11-16 11:07:35,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:35,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040895450] [2022-11-16 11:07:35,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:35,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:35,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:35,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:35,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040895450] [2022-11-16 11:07:35,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040895450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:35,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:35,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:35,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367226825] [2022-11-16 11:07:35,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:35,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:35,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:35,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:35,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:35,131 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 473 [2022-11-16 11:07:35,134 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 425 transitions, 860 flow. Second operand has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:35,134 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:35,135 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 473 [2022-11-16 11:07:35,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:35,466 INFO L130 PetriNetUnfolder]: 53/1106 cut-off events. [2022-11-16 11:07:35,467 INFO L131 PetriNetUnfolder]: For 21/38 co-relation queries the response was YES. [2022-11-16 11:07:35,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 1106 events. 53/1106 cut-off events. For 21/38 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5343 event pairs, 39 based on Foata normal form. 0/934 useless extension candidates. Maximal degree in co-relation 1114. Up to 85 conditions per place. [2022-11-16 11:07:35,486 INFO L137 encePairwiseOnDemand]: 470/473 looper letters, 15 selfloop transitions, 2 changer transitions 0/424 dead transitions. [2022-11-16 11:07:35,486 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 424 transitions, 892 flow [2022-11-16 11:07:35,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:35,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1338 transitions. [2022-11-16 11:07:35,491 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9429175475687104 [2022-11-16 11:07:35,491 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1338 transitions. [2022-11-16 11:07:35,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1338 transitions. [2022-11-16 11:07:35,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:35,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1338 transitions. [2022-11-16 11:07:35,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 446.0) internal successors, (1338), 3 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:35,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:35,501 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:35,501 INFO L175 Difference]: Start difference. First operand has 428 places, 425 transitions, 860 flow. Second operand 3 states and 1338 transitions. [2022-11-16 11:07:35,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 424 transitions, 892 flow [2022-11-16 11:07:35,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 424 transitions, 888 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:07:35,511 INFO L231 Difference]: Finished difference. Result has 427 places, 424 transitions, 858 flow [2022-11-16 11:07:35,512 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=858, PETRI_PLACES=427, PETRI_TRANSITIONS=424} [2022-11-16 11:07:35,513 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -14 predicate places. [2022-11-16 11:07:35,513 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 424 transitions, 858 flow [2022-11-16 11:07:35,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:35,515 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:35,515 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:35,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:07:35,516 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:35,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:35,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1306551316, now seen corresponding path program 1 times [2022-11-16 11:07:35,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:35,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204022403] [2022-11-16 11:07:35,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:35,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:35,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:35,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:35,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204022403] [2022-11-16 11:07:35,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204022403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:35,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:35,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:35,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367742584] [2022-11-16 11:07:35,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:35,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:35,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:35,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:35,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:35,574 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 473 [2022-11-16 11:07:35,576 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 424 transitions, 858 flow. Second operand has 3 states, 3 states have (on average 444.6666666666667) internal successors, (1334), 3 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:35,576 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:35,576 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 473 [2022-11-16 11:07:35,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:35,876 INFO L130 PetriNetUnfolder]: 31/1146 cut-off events. [2022-11-16 11:07:35,876 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-16 11:07:35,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1212 conditions, 1146 events. 31/1146 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5692 event pairs, 6 based on Foata normal form. 0/985 useless extension candidates. Maximal degree in co-relation 1115. Up to 43 conditions per place. [2022-11-16 11:07:35,896 INFO L137 encePairwiseOnDemand]: 469/473 looper letters, 14 selfloop transitions, 2 changer transitions 0/426 dead transitions. [2022-11-16 11:07:35,896 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 426 transitions, 896 flow [2022-11-16 11:07:35,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:35,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:35,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1347 transitions. [2022-11-16 11:07:35,901 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9492600422832981 [2022-11-16 11:07:35,901 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1347 transitions. [2022-11-16 11:07:35,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1347 transitions. [2022-11-16 11:07:35,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:35,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1347 transitions. [2022-11-16 11:07:35,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:35,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:35,910 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:35,911 INFO L175 Difference]: Start difference. First operand has 427 places, 424 transitions, 858 flow. Second operand 3 states and 1347 transitions. [2022-11-16 11:07:35,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 426 transitions, 896 flow [2022-11-16 11:07:35,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 426 transitions, 892 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:07:35,920 INFO L231 Difference]: Finished difference. Result has 426 places, 424 transitions, 864 flow [2022-11-16 11:07:35,921 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=864, PETRI_PLACES=426, PETRI_TRANSITIONS=424} [2022-11-16 11:07:35,922 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -15 predicate places. [2022-11-16 11:07:35,923 INFO L495 AbstractCegarLoop]: Abstraction has has 426 places, 424 transitions, 864 flow [2022-11-16 11:07:35,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 444.6666666666667) internal successors, (1334), 3 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:35,924 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:35,924 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:35,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:07:35,924 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:35,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:35,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1465397942, now seen corresponding path program 1 times [2022-11-16 11:07:35,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:35,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886524808] [2022-11-16 11:07:35,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:35,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:35,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:35,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:35,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886524808] [2022-11-16 11:07:35,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886524808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:35,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:35,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:35,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853516981] [2022-11-16 11:07:35,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:35,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:35,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:35,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:35,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:35,988 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 473 [2022-11-16 11:07:35,989 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 424 transitions, 864 flow. Second operand has 3 states, 3 states have (on average 444.6666666666667) internal successors, (1334), 3 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:35,990 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:35,990 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 473 [2022-11-16 11:07:35,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:36,400 INFO L130 PetriNetUnfolder]: 40/1679 cut-off events. [2022-11-16 11:07:36,401 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-16 11:07:36,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1758 conditions, 1679 events. 40/1679 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 10931 event pairs, 14 based on Foata normal form. 0/1444 useless extension candidates. Maximal degree in co-relation 1370. Up to 49 conditions per place. [2022-11-16 11:07:36,428 INFO L137 encePairwiseOnDemand]: 469/473 looper letters, 14 selfloop transitions, 2 changer transitions 0/426 dead transitions. [2022-11-16 11:07:36,429 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 426 transitions, 902 flow [2022-11-16 11:07:36,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:36,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:36,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1347 transitions. [2022-11-16 11:07:36,433 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9492600422832981 [2022-11-16 11:07:36,434 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1347 transitions. [2022-11-16 11:07:36,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1347 transitions. [2022-11-16 11:07:36,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:36,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1347 transitions. [2022-11-16 11:07:36,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:36,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:36,443 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:36,443 INFO L175 Difference]: Start difference. First operand has 426 places, 424 transitions, 864 flow. Second operand 3 states and 1347 transitions. [2022-11-16 11:07:36,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 426 transitions, 902 flow [2022-11-16 11:07:36,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 426 transitions, 902 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:07:36,453 INFO L231 Difference]: Finished difference. Result has 427 places, 424 transitions, 874 flow [2022-11-16 11:07:36,454 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=860, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=874, PETRI_PLACES=427, PETRI_TRANSITIONS=424} [2022-11-16 11:07:36,455 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -14 predicate places. [2022-11-16 11:07:36,455 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 424 transitions, 874 flow [2022-11-16 11:07:36,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 444.6666666666667) internal successors, (1334), 3 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:36,456 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:36,457 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:36,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:07:36,457 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:36,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:36,458 INFO L85 PathProgramCache]: Analyzing trace with hash -622417019, now seen corresponding path program 1 times [2022-11-16 11:07:36,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:36,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679796580] [2022-11-16 11:07:36,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:36,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:36,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:36,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679796580] [2022-11-16 11:07:36,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679796580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:36,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:36,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:36,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523717709] [2022-11-16 11:07:36,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:36,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:36,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:36,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:36,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:36,515 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 473 [2022-11-16 11:07:36,517 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 424 transitions, 874 flow. Second operand has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:36,517 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:36,517 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 473 [2022-11-16 11:07:36,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:36,839 INFO L130 PetriNetUnfolder]: 24/950 cut-off events. [2022-11-16 11:07:36,839 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-16 11:07:36,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1011 conditions, 950 events. 24/950 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4547 event pairs, 4 based on Foata normal form. 0/827 useless extension candidates. Maximal degree in co-relation 813. Up to 31 conditions per place. [2022-11-16 11:07:36,860 INFO L137 encePairwiseOnDemand]: 469/473 looper letters, 14 selfloop transitions, 2 changer transitions 0/426 dead transitions. [2022-11-16 11:07:36,860 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 426 transitions, 912 flow [2022-11-16 11:07:36,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:36,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:36,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1347 transitions. [2022-11-16 11:07:36,865 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9492600422832981 [2022-11-16 11:07:36,865 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1347 transitions. [2022-11-16 11:07:36,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1347 transitions. [2022-11-16 11:07:36,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:36,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1347 transitions. [2022-11-16 11:07:36,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:36,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:36,875 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:36,875 INFO L175 Difference]: Start difference. First operand has 427 places, 424 transitions, 874 flow. Second operand 3 states and 1347 transitions. [2022-11-16 11:07:36,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 426 transitions, 912 flow [2022-11-16 11:07:36,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 426 transitions, 912 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:07:36,885 INFO L231 Difference]: Finished difference. Result has 428 places, 424 transitions, 884 flow [2022-11-16 11:07:36,887 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=870, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=428, PETRI_TRANSITIONS=424} [2022-11-16 11:07:36,887 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -13 predicate places. [2022-11-16 11:07:36,888 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 424 transitions, 884 flow [2022-11-16 11:07:36,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:36,889 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:36,889 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:36,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:07:36,890 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:36,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:36,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1142261465, now seen corresponding path program 1 times [2022-11-16 11:07:36,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:36,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087206701] [2022-11-16 11:07:36,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:36,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:36,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:36,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:36,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087206701] [2022-11-16 11:07:36,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087206701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:36,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:36,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:36,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066123374] [2022-11-16 11:07:36,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:36,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:36,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:36,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:36,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:36,978 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 473 [2022-11-16 11:07:36,979 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 424 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:36,980 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:36,980 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 473 [2022-11-16 11:07:36,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:37,359 INFO L130 PetriNetUnfolder]: 26/1007 cut-off events. [2022-11-16 11:07:37,371 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-16 11:07:37,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1079 conditions, 1007 events. 26/1007 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4953 event pairs, 4 based on Foata normal form. 0/881 useless extension candidates. Maximal degree in co-relation 880. Up to 35 conditions per place. [2022-11-16 11:07:37,411 INFO L137 encePairwiseOnDemand]: 469/473 looper letters, 14 selfloop transitions, 2 changer transitions 0/426 dead transitions. [2022-11-16 11:07:37,411 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 426 transitions, 922 flow [2022-11-16 11:07:37,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:37,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1347 transitions. [2022-11-16 11:07:37,431 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9492600422832981 [2022-11-16 11:07:37,431 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1347 transitions. [2022-11-16 11:07:37,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1347 transitions. [2022-11-16 11:07:37,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:37,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1347 transitions. [2022-11-16 11:07:37,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:37,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:37,440 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:37,440 INFO L175 Difference]: Start difference. First operand has 428 places, 424 transitions, 884 flow. Second operand 3 states and 1347 transitions. [2022-11-16 11:07:37,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 426 transitions, 922 flow [2022-11-16 11:07:37,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 426 transitions, 922 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:07:37,463 INFO L231 Difference]: Finished difference. Result has 429 places, 424 transitions, 894 flow [2022-11-16 11:07:37,464 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=429, PETRI_TRANSITIONS=424} [2022-11-16 11:07:37,464 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -12 predicate places. [2022-11-16 11:07:37,464 INFO L495 AbstractCegarLoop]: Abstraction has has 429 places, 424 transitions, 894 flow [2022-11-16 11:07:37,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:37,465 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:37,479 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:37,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:07:37,479 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:37,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:37,480 INFO L85 PathProgramCache]: Analyzing trace with hash 74837307, now seen corresponding path program 1 times [2022-11-16 11:07:37,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:37,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522620761] [2022-11-16 11:07:37,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:37,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:38,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:38,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:38,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522620761] [2022-11-16 11:07:38,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522620761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:38,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:38,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:07:38,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066420678] [2022-11-16 11:07:38,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:38,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:07:38,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:38,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:07:38,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:07:38,193 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 473 [2022-11-16 11:07:38,196 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 424 transitions, 894 flow. Second operand has 6 states, 6 states have (on average 430.0) internal successors, (2580), 6 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:38,196 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:38,197 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 473 [2022-11-16 11:07:38,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:38,527 INFO L130 PetriNetUnfolder]: 11/735 cut-off events. [2022-11-16 11:07:38,528 INFO L131 PetriNetUnfolder]: For 3/23 co-relation queries the response was YES. [2022-11-16 11:07:38,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 735 events. 11/735 cut-off events. For 3/23 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2834 event pairs, 0 based on Foata normal form. 12/663 useless extension candidates. Maximal degree in co-relation 626. Up to 45 conditions per place. [2022-11-16 11:07:38,545 INFO L137 encePairwiseOnDemand]: 468/473 looper letters, 23 selfloop transitions, 4 changer transitions 0/423 dead transitions. [2022-11-16 11:07:38,546 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 423 transitions, 946 flow [2022-11-16 11:07:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:07:38,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:07:38,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2596 transitions. [2022-11-16 11:07:38,553 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9147286821705426 [2022-11-16 11:07:38,554 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2596 transitions. [2022-11-16 11:07:38,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2596 transitions. [2022-11-16 11:07:38,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:38,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2596 transitions. [2022-11-16 11:07:38,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 432.6666666666667) internal successors, (2596), 6 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:38,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 473.0) internal successors, (3311), 7 states have internal predecessors, (3311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:38,573 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 473.0) internal successors, (3311), 7 states have internal predecessors, (3311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:38,574 INFO L175 Difference]: Start difference. First operand has 429 places, 424 transitions, 894 flow. Second operand 6 states and 2596 transitions. [2022-11-16 11:07:38,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 423 transitions, 946 flow [2022-11-16 11:07:38,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 423 transitions, 946 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:07:38,585 INFO L231 Difference]: Finished difference. Result has 433 places, 423 transitions, 900 flow [2022-11-16 11:07:38,586 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=900, PETRI_PLACES=433, PETRI_TRANSITIONS=423} [2022-11-16 11:07:38,587 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -8 predicate places. [2022-11-16 11:07:38,587 INFO L495 AbstractCegarLoop]: Abstraction has has 433 places, 423 transitions, 900 flow [2022-11-16 11:07:38,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 430.0) internal successors, (2580), 6 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:38,589 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:38,589 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:38,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 11:07:38,590 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:38,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:38,590 INFO L85 PathProgramCache]: Analyzing trace with hash 988827909, now seen corresponding path program 1 times [2022-11-16 11:07:38,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:38,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786420235] [2022-11-16 11:07:38,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:38,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:38,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:38,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:38,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786420235] [2022-11-16 11:07:38,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786420235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:38,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:38,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:38,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857518165] [2022-11-16 11:07:38,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:38,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:38,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:38,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:38,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:38,685 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 473 [2022-11-16 11:07:38,688 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 423 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:38,688 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:38,688 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 473 [2022-11-16 11:07:38,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:39,249 INFO L130 PetriNetUnfolder]: 66/1857 cut-off events. [2022-11-16 11:07:39,249 INFO L131 PetriNetUnfolder]: For 21/25 co-relation queries the response was YES. [2022-11-16 11:07:39,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1993 conditions, 1857 events. 66/1857 cut-off events. For 21/25 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 11541 event pairs, 18 based on Foata normal form. 0/1584 useless extension candidates. Maximal degree in co-relation 1669. Up to 80 conditions per place. [2022-11-16 11:07:39,277 INFO L137 encePairwiseOnDemand]: 469/473 looper letters, 14 selfloop transitions, 2 changer transitions 0/425 dead transitions. [2022-11-16 11:07:39,277 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 425 transitions, 938 flow [2022-11-16 11:07:39,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:39,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:39,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1347 transitions. [2022-11-16 11:07:39,283 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9492600422832981 [2022-11-16 11:07:39,283 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1347 transitions. [2022-11-16 11:07:39,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1347 transitions. [2022-11-16 11:07:39,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:39,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1347 transitions. [2022-11-16 11:07:39,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:39,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:39,295 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:39,295 INFO L175 Difference]: Start difference. First operand has 433 places, 423 transitions, 900 flow. Second operand 3 states and 1347 transitions. [2022-11-16 11:07:39,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 425 transitions, 938 flow [2022-11-16 11:07:39,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 425 transitions, 931 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:07:39,308 INFO L231 Difference]: Finished difference. Result has 430 places, 423 transitions, 903 flow [2022-11-16 11:07:39,309 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=903, PETRI_PLACES=430, PETRI_TRANSITIONS=423} [2022-11-16 11:07:39,310 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -11 predicate places. [2022-11-16 11:07:39,311 INFO L495 AbstractCegarLoop]: Abstraction has has 430 places, 423 transitions, 903 flow [2022-11-16 11:07:39,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:39,312 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:39,312 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:39,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 11:07:39,313 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:39,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:39,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1075885895, now seen corresponding path program 1 times [2022-11-16 11:07:39,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:39,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13429754] [2022-11-16 11:07:39,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:39,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:39,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:39,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:39,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13429754] [2022-11-16 11:07:39,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13429754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:39,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:39,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:39,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743605417] [2022-11-16 11:07:39,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:39,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:39,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:39,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:39,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:39,407 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 473 [2022-11-16 11:07:39,410 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 423 transitions, 903 flow. Second operand has 3 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:39,410 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:39,410 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 473 [2022-11-16 11:07:39,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:40,070 INFO L130 PetriNetUnfolder]: 75/1987 cut-off events. [2022-11-16 11:07:40,072 INFO L131 PetriNetUnfolder]: For 23/27 co-relation queries the response was YES. [2022-11-16 11:07:40,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2144 conditions, 1987 events. 75/1987 cut-off events. For 23/27 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 12739 event pairs, 10 based on Foata normal form. 0/1703 useless extension candidates. Maximal degree in co-relation 1832. Up to 90 conditions per place. [2022-11-16 11:07:40,107 INFO L137 encePairwiseOnDemand]: 469/473 looper letters, 14 selfloop transitions, 2 changer transitions 0/425 dead transitions. [2022-11-16 11:07:40,107 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 425 transitions, 941 flow [2022-11-16 11:07:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:40,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:40,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1347 transitions. [2022-11-16 11:07:40,112 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9492600422832981 [2022-11-16 11:07:40,112 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1347 transitions. [2022-11-16 11:07:40,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1347 transitions. [2022-11-16 11:07:40,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:40,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1347 transitions. [2022-11-16 11:07:40,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:40,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:40,122 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:40,124 INFO L175 Difference]: Start difference. First operand has 430 places, 423 transitions, 903 flow. Second operand 3 states and 1347 transitions. [2022-11-16 11:07:40,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 425 transitions, 941 flow [2022-11-16 11:07:40,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 425 transitions, 941 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:07:40,138 INFO L231 Difference]: Finished difference. Result has 431 places, 423 transitions, 913 flow [2022-11-16 11:07:40,139 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=899, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=913, PETRI_PLACES=431, PETRI_TRANSITIONS=423} [2022-11-16 11:07:40,139 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -10 predicate places. [2022-11-16 11:07:40,140 INFO L495 AbstractCegarLoop]: Abstraction has has 431 places, 423 transitions, 913 flow [2022-11-16 11:07:40,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:40,141 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:40,141 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:40,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 11:07:40,142 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:40,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:40,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1654464376, now seen corresponding path program 1 times [2022-11-16 11:07:40,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:40,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967511279] [2022-11-16 11:07:40,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:40,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:40,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:40,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:40,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967511279] [2022-11-16 11:07:40,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967511279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:40,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:40,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:40,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373446865] [2022-11-16 11:07:40,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:40,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:40,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:40,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:40,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:40,227 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 437 out of 473 [2022-11-16 11:07:40,229 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 423 transitions, 913 flow. Second operand has 3 states, 3 states have (on average 438.6666666666667) internal successors, (1316), 3 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:40,229 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:40,229 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 437 of 473 [2022-11-16 11:07:40,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:40,754 INFO L130 PetriNetUnfolder]: 163/1809 cut-off events. [2022-11-16 11:07:40,754 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-11-16 11:07:40,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2163 conditions, 1809 events. 163/1809 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 12782 event pairs, 60 based on Foata normal form. 0/1551 useless extension candidates. Maximal degree in co-relation 1802. Up to 239 conditions per place. [2022-11-16 11:07:40,784 INFO L137 encePairwiseOnDemand]: 467/473 looper letters, 18 selfloop transitions, 2 changer transitions 0/423 dead transitions. [2022-11-16 11:07:40,785 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 423 transitions, 955 flow [2022-11-16 11:07:40,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:40,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:40,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1335 transitions. [2022-11-16 11:07:40,789 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9408033826638478 [2022-11-16 11:07:40,789 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1335 transitions. [2022-11-16 11:07:40,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1335 transitions. [2022-11-16 11:07:40,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:40,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1335 transitions. [2022-11-16 11:07:40,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:40,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:40,799 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:40,799 INFO L175 Difference]: Start difference. First operand has 431 places, 423 transitions, 913 flow. Second operand 3 states and 1335 transitions. [2022-11-16 11:07:40,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 423 transitions, 955 flow [2022-11-16 11:07:40,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 423 transitions, 955 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:07:40,809 INFO L231 Difference]: Finished difference. Result has 430 places, 421 transitions, 919 flow [2022-11-16 11:07:40,809 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=919, PETRI_PLACES=430, PETRI_TRANSITIONS=421} [2022-11-16 11:07:40,810 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -11 predicate places. [2022-11-16 11:07:40,811 INFO L495 AbstractCegarLoop]: Abstraction has has 430 places, 421 transitions, 919 flow [2022-11-16 11:07:40,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 438.6666666666667) internal successors, (1316), 3 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:40,812 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:40,812 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:40,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 11:07:40,812 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:40,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:40,813 INFO L85 PathProgramCache]: Analyzing trace with hash 802401690, now seen corresponding path program 1 times [2022-11-16 11:07:40,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:40,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833662257] [2022-11-16 11:07:40,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:40,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:40,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:40,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:40,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833662257] [2022-11-16 11:07:40,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833662257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:40,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:40,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:40,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492148508] [2022-11-16 11:07:40,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:40,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:40,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:40,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:40,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:40,894 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 437 out of 473 [2022-11-16 11:07:40,896 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 421 transitions, 919 flow. Second operand has 3 states, 3 states have (on average 438.6666666666667) internal successors, (1316), 3 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:40,896 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:40,896 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 437 of 473 [2022-11-16 11:07:40,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:41,431 INFO L130 PetriNetUnfolder]: 122/1652 cut-off events. [2022-11-16 11:07:41,432 INFO L131 PetriNetUnfolder]: For 23/47 co-relation queries the response was YES. [2022-11-16 11:07:41,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1949 conditions, 1652 events. 122/1652 cut-off events. For 23/47 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 10492 event pairs, 52 based on Foata normal form. 3/1443 useless extension candidates. Maximal degree in co-relation 1748. Up to 191 conditions per place. [2022-11-16 11:07:41,464 INFO L137 encePairwiseOnDemand]: 467/473 looper letters, 18 selfloop transitions, 2 changer transitions 0/421 dead transitions. [2022-11-16 11:07:41,464 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 421 transitions, 961 flow [2022-11-16 11:07:41,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:41,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:41,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1335 transitions. [2022-11-16 11:07:41,469 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9408033826638478 [2022-11-16 11:07:41,469 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1335 transitions. [2022-11-16 11:07:41,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1335 transitions. [2022-11-16 11:07:41,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:41,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1335 transitions. [2022-11-16 11:07:41,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:41,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:41,479 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:41,480 INFO L175 Difference]: Start difference. First operand has 430 places, 421 transitions, 919 flow. Second operand 3 states and 1335 transitions. [2022-11-16 11:07:41,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 421 transitions, 961 flow [2022-11-16 11:07:41,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 421 transitions, 961 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:07:41,493 INFO L231 Difference]: Finished difference. Result has 429 places, 419 transitions, 925 flow [2022-11-16 11:07:41,494 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=911, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=925, PETRI_PLACES=429, PETRI_TRANSITIONS=419} [2022-11-16 11:07:41,494 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -12 predicate places. [2022-11-16 11:07:41,495 INFO L495 AbstractCegarLoop]: Abstraction has has 429 places, 419 transitions, 925 flow [2022-11-16 11:07:41,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 438.6666666666667) internal successors, (1316), 3 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:41,496 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:41,496 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:41,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 11:07:41,496 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:41,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:41,497 INFO L85 PathProgramCache]: Analyzing trace with hash -332270717, now seen corresponding path program 1 times [2022-11-16 11:07:41,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:41,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28871106] [2022-11-16 11:07:41,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:41,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:41,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:41,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:41,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28871106] [2022-11-16 11:07:41,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28871106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:41,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:41,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:41,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106918621] [2022-11-16 11:07:41,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:41,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:41,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:41,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:41,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:41,586 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 444 out of 473 [2022-11-16 11:07:41,588 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 419 transitions, 925 flow. Second operand has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:41,588 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:41,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 444 of 473 [2022-11-16 11:07:41,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:41,979 INFO L130 PetriNetUnfolder]: 45/1285 cut-off events. [2022-11-16 11:07:41,979 INFO L131 PetriNetUnfolder]: For 7/28 co-relation queries the response was YES. [2022-11-16 11:07:41,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1463 conditions, 1285 events. 45/1285 cut-off events. For 7/28 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6928 event pairs, 4 based on Foata normal form. 4/1160 useless extension candidates. Maximal degree in co-relation 1152. Up to 28 conditions per place. [2022-11-16 11:07:42,003 INFO L137 encePairwiseOnDemand]: 470/473 looper letters, 13 selfloop transitions, 2 changer transitions 0/420 dead transitions. [2022-11-16 11:07:42,004 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 420 transitions, 959 flow [2022-11-16 11:07:42,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:42,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1348 transitions. [2022-11-16 11:07:42,008 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9499647639182522 [2022-11-16 11:07:42,009 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1348 transitions. [2022-11-16 11:07:42,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1348 transitions. [2022-11-16 11:07:42,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:42,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1348 transitions. [2022-11-16 11:07:42,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:42,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:42,018 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:42,019 INFO L175 Difference]: Start difference. First operand has 429 places, 419 transitions, 925 flow. Second operand 3 states and 1348 transitions. [2022-11-16 11:07:42,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 420 transitions, 959 flow [2022-11-16 11:07:42,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 420 transitions, 959 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:07:42,029 INFO L231 Difference]: Finished difference. Result has 430 places, 418 transitions, 927 flow [2022-11-16 11:07:42,030 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=927, PETRI_PLACES=430, PETRI_TRANSITIONS=418} [2022-11-16 11:07:42,031 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -11 predicate places. [2022-11-16 11:07:42,032 INFO L495 AbstractCegarLoop]: Abstraction has has 430 places, 418 transitions, 927 flow [2022-11-16 11:07:42,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:42,033 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:42,033 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:42,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 11:07:42,034 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:42,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:42,034 INFO L85 PathProgramCache]: Analyzing trace with hash -426720967, now seen corresponding path program 1 times [2022-11-16 11:07:42,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:42,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136456494] [2022-11-16 11:07:42,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:42,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:42,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:42,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:42,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136456494] [2022-11-16 11:07:42,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136456494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:42,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:42,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:42,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986574577] [2022-11-16 11:07:42,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:42,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:42,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:42,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:42,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:42,118 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 437 out of 473 [2022-11-16 11:07:42,119 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 418 transitions, 927 flow. Second operand has 3 states, 3 states have (on average 439.0) internal successors, (1317), 3 states have internal predecessors, (1317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:42,120 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:42,120 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 437 of 473 [2022-11-16 11:07:42,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:42,702 INFO L130 PetriNetUnfolder]: 231/2030 cut-off events. [2022-11-16 11:07:42,702 INFO L131 PetriNetUnfolder]: For 51/53 co-relation queries the response was YES. [2022-11-16 11:07:42,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2545 conditions, 2030 events. 231/2030 cut-off events. For 51/53 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 13447 event pairs, 76 based on Foata normal form. 0/1831 useless extension candidates. Maximal degree in co-relation 2272. Up to 364 conditions per place. [2022-11-16 11:07:42,737 INFO L137 encePairwiseOnDemand]: 467/473 looper letters, 18 selfloop transitions, 2 changer transitions 0/418 dead transitions. [2022-11-16 11:07:42,738 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 418 transitions, 969 flow [2022-11-16 11:07:42,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:42,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:42,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1335 transitions. [2022-11-16 11:07:42,742 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9408033826638478 [2022-11-16 11:07:42,742 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1335 transitions. [2022-11-16 11:07:42,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1335 transitions. [2022-11-16 11:07:42,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:42,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1335 transitions. [2022-11-16 11:07:42,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:42,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:42,752 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:42,752 INFO L175 Difference]: Start difference. First operand has 430 places, 418 transitions, 927 flow. Second operand 3 states and 1335 transitions. [2022-11-16 11:07:42,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 418 transitions, 969 flow [2022-11-16 11:07:42,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 418 transitions, 965 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:07:42,762 INFO L231 Difference]: Finished difference. Result has 427 places, 416 transitions, 929 flow [2022-11-16 11:07:42,763 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=929, PETRI_PLACES=427, PETRI_TRANSITIONS=416} [2022-11-16 11:07:42,764 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -14 predicate places. [2022-11-16 11:07:42,764 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 416 transitions, 929 flow [2022-11-16 11:07:42,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 439.0) internal successors, (1317), 3 states have internal predecessors, (1317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:42,765 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:42,766 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:42,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 11:07:42,766 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:42,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:42,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1989181122, now seen corresponding path program 1 times [2022-11-16 11:07:42,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:42,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083171285] [2022-11-16 11:07:42,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:42,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:42,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:42,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083171285] [2022-11-16 11:07:42,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083171285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:42,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:42,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:42,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269545705] [2022-11-16 11:07:42,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:42,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:42,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:42,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:42,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:42,874 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 473 [2022-11-16 11:07:42,876 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 416 transitions, 929 flow. Second operand has 3 states, 3 states have (on average 442.6666666666667) internal successors, (1328), 3 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:42,876 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:42,876 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 473 [2022-11-16 11:07:42,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:43,391 INFO L130 PetriNetUnfolder]: 81/1651 cut-off events. [2022-11-16 11:07:43,391 INFO L131 PetriNetUnfolder]: For 19/34 co-relation queries the response was YES. [2022-11-16 11:07:43,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1966 conditions, 1651 events. 81/1651 cut-off events. For 19/34 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 10036 event pairs, 14 based on Foata normal form. 2/1532 useless extension candidates. Maximal degree in co-relation 1498. Up to 57 conditions per place. [2022-11-16 11:07:43,421 INFO L137 encePairwiseOnDemand]: 470/473 looper letters, 16 selfloop transitions, 2 changer transitions 0/417 dead transitions. [2022-11-16 11:07:43,421 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 417 transitions, 969 flow [2022-11-16 11:07:43,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:43,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:43,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1342 transitions. [2022-11-16 11:07:43,426 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9457364341085271 [2022-11-16 11:07:43,426 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1342 transitions. [2022-11-16 11:07:43,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1342 transitions. [2022-11-16 11:07:43,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:43,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1342 transitions. [2022-11-16 11:07:43,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:43,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:43,437 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:43,437 INFO L175 Difference]: Start difference. First operand has 427 places, 416 transitions, 929 flow. Second operand 3 states and 1342 transitions. [2022-11-16 11:07:43,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 417 transitions, 969 flow [2022-11-16 11:07:43,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 417 transitions, 969 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:07:43,447 INFO L231 Difference]: Finished difference. Result has 428 places, 415 transitions, 931 flow [2022-11-16 11:07:43,449 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=927, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=931, PETRI_PLACES=428, PETRI_TRANSITIONS=415} [2022-11-16 11:07:43,452 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -13 predicate places. [2022-11-16 11:07:43,452 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 415 transitions, 931 flow [2022-11-16 11:07:43,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.6666666666667) internal successors, (1328), 3 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:43,453 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:43,454 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:43,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 11:07:43,454 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:43,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:43,455 INFO L85 PathProgramCache]: Analyzing trace with hash -42722572, now seen corresponding path program 1 times [2022-11-16 11:07:43,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:43,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645821683] [2022-11-16 11:07:43,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:43,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:43,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:43,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:43,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645821683] [2022-11-16 11:07:43,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645821683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:43,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:43,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:43,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141874231] [2022-11-16 11:07:43,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:43,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:43,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:43,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:43,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:43,532 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 473 [2022-11-16 11:07:43,533 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 415 transitions, 931 flow. Second operand has 3 states, 3 states have (on average 443.0) internal successors, (1329), 3 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:43,533 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:43,534 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 473 [2022-11-16 11:07:43,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:43,927 INFO L130 PetriNetUnfolder]: 65/1308 cut-off events. [2022-11-16 11:07:43,927 INFO L131 PetriNetUnfolder]: For 27/36 co-relation queries the response was YES. [2022-11-16 11:07:43,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1599 conditions, 1308 events. 65/1308 cut-off events. For 27/36 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6801 event pairs, 10 based on Foata normal form. 1/1223 useless extension candidates. Maximal degree in co-relation 1467. Up to 66 conditions per place. [2022-11-16 11:07:43,951 INFO L137 encePairwiseOnDemand]: 470/473 looper letters, 15 selfloop transitions, 2 changer transitions 0/416 dead transitions. [2022-11-16 11:07:43,951 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 416 transitions, 969 flow [2022-11-16 11:07:43,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:43,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:43,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1341 transitions. [2022-11-16 11:07:43,955 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.945031712473573 [2022-11-16 11:07:43,956 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1341 transitions. [2022-11-16 11:07:43,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1341 transitions. [2022-11-16 11:07:43,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:43,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1341 transitions. [2022-11-16 11:07:43,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 447.0) internal successors, (1341), 3 states have internal predecessors, (1341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:43,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:43,970 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:43,971 INFO L175 Difference]: Start difference. First operand has 428 places, 415 transitions, 931 flow. Second operand 3 states and 1341 transitions. [2022-11-16 11:07:43,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 416 transitions, 969 flow [2022-11-16 11:07:43,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 416 transitions, 965 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:07:43,981 INFO L231 Difference]: Finished difference. Result has 427 places, 414 transitions, 929 flow [2022-11-16 11:07:43,982 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=925, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=929, PETRI_PLACES=427, PETRI_TRANSITIONS=414} [2022-11-16 11:07:43,982 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -14 predicate places. [2022-11-16 11:07:43,983 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 414 transitions, 929 flow [2022-11-16 11:07:43,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 443.0) internal successors, (1329), 3 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:43,984 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:43,984 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:43,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-16 11:07:43,984 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:43,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:43,985 INFO L85 PathProgramCache]: Analyzing trace with hash -878391399, now seen corresponding path program 1 times [2022-11-16 11:07:43,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:43,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990989020] [2022-11-16 11:07:43,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:43,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:44,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:44,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:44,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990989020] [2022-11-16 11:07:44,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990989020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:44,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:44,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:07:44,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13883309] [2022-11-16 11:07:44,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:44,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:07:44,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:44,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:07:44,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:07:44,983 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 473 [2022-11-16 11:07:44,986 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 414 transitions, 929 flow. Second operand has 6 states, 6 states have (on average 431.0) internal successors, (2586), 6 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:44,986 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:44,987 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 473 [2022-11-16 11:07:44,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:45,420 INFO L130 PetriNetUnfolder]: 45/1210 cut-off events. [2022-11-16 11:07:45,420 INFO L131 PetriNetUnfolder]: For 7/81 co-relation queries the response was YES. [2022-11-16 11:07:45,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1458 conditions, 1210 events. 45/1210 cut-off events. For 7/81 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6208 event pairs, 0 based on Foata normal form. 16/1155 useless extension candidates. Maximal degree in co-relation 1319. Up to 30 conditions per place. [2022-11-16 11:07:45,442 INFO L137 encePairwiseOnDemand]: 468/473 looper letters, 22 selfloop transitions, 4 changer transitions 0/413 dead transitions. [2022-11-16 11:07:45,442 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 413 transitions, 979 flow [2022-11-16 11:07:45,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:07:45,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:07:45,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2595 transitions. [2022-11-16 11:07:45,450 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9143763213530656 [2022-11-16 11:07:45,450 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2595 transitions. [2022-11-16 11:07:45,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2595 transitions. [2022-11-16 11:07:45,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:45,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2595 transitions. [2022-11-16 11:07:45,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 432.5) internal successors, (2595), 6 states have internal predecessors, (2595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:45,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 473.0) internal successors, (3311), 7 states have internal predecessors, (3311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:45,465 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 473.0) internal successors, (3311), 7 states have internal predecessors, (3311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:45,466 INFO L175 Difference]: Start difference. First operand has 427 places, 414 transitions, 929 flow. Second operand 6 states and 2595 transitions. [2022-11-16 11:07:45,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 413 transitions, 979 flow [2022-11-16 11:07:45,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 413 transitions, 975 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:07:45,476 INFO L231 Difference]: Finished difference. Result has 429 places, 413 transitions, 931 flow [2022-11-16 11:07:45,477 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=931, PETRI_PLACES=429, PETRI_TRANSITIONS=413} [2022-11-16 11:07:45,478 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -12 predicate places. [2022-11-16 11:07:45,478 INFO L495 AbstractCegarLoop]: Abstraction has has 429 places, 413 transitions, 931 flow [2022-11-16 11:07:45,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 431.0) internal successors, (2586), 6 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:45,480 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:45,480 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:45,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-16 11:07:45,481 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:45,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:45,481 INFO L85 PathProgramCache]: Analyzing trace with hash 328504397, now seen corresponding path program 1 times [2022-11-16 11:07:45,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:45,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561612004] [2022-11-16 11:07:45,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:45,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:46,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:46,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:46,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561612004] [2022-11-16 11:07:46,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561612004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:46,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:46,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:07:46,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729081174] [2022-11-16 11:07:46,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:46,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:07:46,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:46,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:07:46,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:07:46,387 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 473 [2022-11-16 11:07:46,390 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 413 transitions, 931 flow. Second operand has 6 states, 6 states have (on average 432.0) internal successors, (2592), 6 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:46,390 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:46,390 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 473 [2022-11-16 11:07:46,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:46,809 INFO L130 PetriNetUnfolder]: 45/1207 cut-off events. [2022-11-16 11:07:46,810 INFO L131 PetriNetUnfolder]: For 10/81 co-relation queries the response was YES. [2022-11-16 11:07:46,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1434 conditions, 1207 events. 45/1207 cut-off events. For 10/81 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6193 event pairs, 0 based on Foata normal form. 4/1143 useless extension candidates. Maximal degree in co-relation 1310. Up to 36 conditions per place. [2022-11-16 11:07:46,832 INFO L137 encePairwiseOnDemand]: 468/473 looper letters, 21 selfloop transitions, 4 changer transitions 0/412 dead transitions. [2022-11-16 11:07:46,833 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 412 transitions, 979 flow [2022-11-16 11:07:46,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:07:46,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:07:46,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2594 transitions. [2022-11-16 11:07:46,840 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9140239605355884 [2022-11-16 11:07:46,840 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2594 transitions. [2022-11-16 11:07:46,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2594 transitions. [2022-11-16 11:07:46,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:46,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2594 transitions. [2022-11-16 11:07:46,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 432.3333333333333) internal successors, (2594), 6 states have internal predecessors, (2594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:46,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 473.0) internal successors, (3311), 7 states have internal predecessors, (3311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:46,855 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 473.0) internal successors, (3311), 7 states have internal predecessors, (3311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:46,855 INFO L175 Difference]: Start difference. First operand has 429 places, 413 transitions, 931 flow. Second operand 6 states and 2594 transitions. [2022-11-16 11:07:46,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 412 transitions, 979 flow [2022-11-16 11:07:46,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 412 transitions, 972 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:07:46,865 INFO L231 Difference]: Finished difference. Result has 429 places, 412 transitions, 930 flow [2022-11-16 11:07:46,866 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=930, PETRI_PLACES=429, PETRI_TRANSITIONS=412} [2022-11-16 11:07:46,866 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -12 predicate places. [2022-11-16 11:07:46,867 INFO L495 AbstractCegarLoop]: Abstraction has has 429 places, 412 transitions, 930 flow [2022-11-16 11:07:46,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 432.0) internal successors, (2592), 6 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:46,868 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:46,869 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:46,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-16 11:07:46,869 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:46,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:46,870 INFO L85 PathProgramCache]: Analyzing trace with hash 255276781, now seen corresponding path program 1 times [2022-11-16 11:07:46,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:46,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626751569] [2022-11-16 11:07:46,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:46,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:47,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:47,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:47,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626751569] [2022-11-16 11:07:47,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626751569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:47,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:47,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:47,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933386210] [2022-11-16 11:07:47,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:47,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:47,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:47,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:47,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:47,031 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 473 [2022-11-16 11:07:47,032 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 412 transitions, 930 flow. Second operand has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:47,033 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:47,033 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 473 [2022-11-16 11:07:47,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:47,432 INFO L130 PetriNetUnfolder]: 51/1316 cut-off events. [2022-11-16 11:07:47,432 INFO L131 PetriNetUnfolder]: For 7/22 co-relation queries the response was YES. [2022-11-16 11:07:47,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1536 conditions, 1316 events. 51/1316 cut-off events. For 7/22 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7094 event pairs, 4 based on Foata normal form. 0/1241 useless extension candidates. Maximal degree in co-relation 1471. Up to 30 conditions per place. [2022-11-16 11:07:47,455 INFO L137 encePairwiseOnDemand]: 471/473 looper letters, 9 selfloop transitions, 1 changer transitions 0/411 dead transitions. [2022-11-16 11:07:47,455 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 411 transitions, 948 flow [2022-11-16 11:07:47,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:47,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:47,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1349 transitions. [2022-11-16 11:07:47,459 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9506694855532065 [2022-11-16 11:07:47,460 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1349 transitions. [2022-11-16 11:07:47,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1349 transitions. [2022-11-16 11:07:47,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:47,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1349 transitions. [2022-11-16 11:07:47,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.6666666666667) internal successors, (1349), 3 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:47,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:47,468 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:47,469 INFO L175 Difference]: Start difference. First operand has 429 places, 412 transitions, 930 flow. Second operand 3 states and 1349 transitions. [2022-11-16 11:07:47,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 411 transitions, 948 flow [2022-11-16 11:07:47,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 411 transitions, 941 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:07:47,479 INFO L231 Difference]: Finished difference. Result has 426 places, 411 transitions, 923 flow [2022-11-16 11:07:47,480 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=921, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=923, PETRI_PLACES=426, PETRI_TRANSITIONS=411} [2022-11-16 11:07:47,480 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -15 predicate places. [2022-11-16 11:07:47,480 INFO L495 AbstractCegarLoop]: Abstraction has has 426 places, 411 transitions, 923 flow [2022-11-16 11:07:47,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:47,481 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:47,482 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:47,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-16 11:07:47,482 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:47,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:47,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1677107422, now seen corresponding path program 1 times [2022-11-16 11:07:47,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:47,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674683973] [2022-11-16 11:07:47,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:47,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:47,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:47,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:47,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674683973] [2022-11-16 11:07:47,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674683973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:47,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:47,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:47,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253926579] [2022-11-16 11:07:47,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:47,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:47,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:47,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:47,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:47,642 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 473 [2022-11-16 11:07:47,643 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 411 transitions, 923 flow. Second operand has 3 states, 3 states have (on average 446.3333333333333) internal successors, (1339), 3 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:47,644 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:47,644 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 473 [2022-11-16 11:07:47,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:48,066 INFO L130 PetriNetUnfolder]: 67/1602 cut-off events. [2022-11-16 11:07:48,067 INFO L131 PetriNetUnfolder]: For 13/22 co-relation queries the response was YES. [2022-11-16 11:07:48,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1876 conditions, 1602 events. 67/1602 cut-off events. For 13/22 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 9565 event pairs, 14 based on Foata normal form. 0/1510 useless extension candidates. Maximal degree in co-relation 1840. Up to 51 conditions per place. [2022-11-16 11:07:48,089 INFO L137 encePairwiseOnDemand]: 470/473 looper letters, 11 selfloop transitions, 1 changer transitions 0/409 dead transitions. [2022-11-16 11:07:48,089 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 409 transitions, 943 flow [2022-11-16 11:07:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1343 transitions. [2022-11-16 11:07:48,094 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9464411557434813 [2022-11-16 11:07:48,094 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1343 transitions. [2022-11-16 11:07:48,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1343 transitions. [2022-11-16 11:07:48,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:48,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1343 transitions. [2022-11-16 11:07:48,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 447.6666666666667) internal successors, (1343), 3 states have internal predecessors, (1343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:48,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:48,103 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:48,103 INFO L175 Difference]: Start difference. First operand has 426 places, 411 transitions, 923 flow. Second operand 3 states and 1343 transitions. [2022-11-16 11:07:48,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 409 transitions, 943 flow [2022-11-16 11:07:48,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 409 transitions, 942 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:07:48,113 INFO L231 Difference]: Finished difference. Result has 425 places, 409 transitions, 920 flow [2022-11-16 11:07:48,114 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=918, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=920, PETRI_PLACES=425, PETRI_TRANSITIONS=409} [2022-11-16 11:07:48,114 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -16 predicate places. [2022-11-16 11:07:48,115 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 409 transitions, 920 flow [2022-11-16 11:07:48,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 446.3333333333333) internal successors, (1339), 3 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:48,116 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:48,116 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:48,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-16 11:07:48,117 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:07:48,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:48,117 INFO L85 PathProgramCache]: Analyzing trace with hash -42651851, now seen corresponding path program 1 times [2022-11-16 11:07:48,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:48,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802266548] [2022-11-16 11:07:48,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:48,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:48,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:48,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:48,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802266548] [2022-11-16 11:07:48,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802266548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:48,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:48,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:48,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263759265] [2022-11-16 11:07:48,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:48,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:48,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:48,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:48,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:48,262 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 473 [2022-11-16 11:07:48,264 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 409 transitions, 920 flow. Second operand has 3 states, 3 states have (on average 446.3333333333333) internal successors, (1339), 3 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:48,264 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:48,264 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 473 [2022-11-16 11:07:48,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:48,628 INFO L130 PetriNetUnfolder]: 55/1277 cut-off events. [2022-11-16 11:07:48,629 INFO L131 PetriNetUnfolder]: For 17/24 co-relation queries the response was YES. [2022-11-16 11:07:48,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1517 conditions, 1277 events. 55/1277 cut-off events. For 17/24 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6608 event pairs, 10 based on Foata normal form. 1/1208 useless extension candidates. Maximal degree in co-relation 1492. Up to 61 conditions per place. [2022-11-16 11:07:48,647 INFO L137 encePairwiseOnDemand]: 470/473 looper letters, 0 selfloop transitions, 0 changer transitions 407/407 dead transitions. [2022-11-16 11:07:48,647 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 407 transitions, 938 flow [2022-11-16 11:07:48,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:48,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1342 transitions. [2022-11-16 11:07:48,652 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9457364341085271 [2022-11-16 11:07:48,652 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1342 transitions. [2022-11-16 11:07:48,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1342 transitions. [2022-11-16 11:07:48,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:48,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1342 transitions. [2022-11-16 11:07:48,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:48,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:48,661 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 473.0) internal successors, (1892), 4 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:48,661 INFO L175 Difference]: Start difference. First operand has 425 places, 409 transitions, 920 flow. Second operand 3 states and 1342 transitions. [2022-11-16 11:07:48,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 407 transitions, 938 flow [2022-11-16 11:07:48,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 407 transitions, 937 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:07:48,668 INFO L231 Difference]: Finished difference. Result has 424 places, 0 transitions, 0 flow [2022-11-16 11:07:48,669 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=424, PETRI_TRANSITIONS=0} [2022-11-16 11:07:48,670 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -17 predicate places. [2022-11-16 11:07:48,670 INFO L495 AbstractCegarLoop]: Abstraction has has 424 places, 0 transitions, 0 flow [2022-11-16 11:07:48,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 446.3333333333333) internal successors, (1339), 3 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:48,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2022-11-16 11:07:48,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2022-11-16 11:07:48,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2022-11-16 11:07:48,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2022-11-16 11:07:48,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2022-11-16 11:07:48,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2022-11-16 11:07:48,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2022-11-16 11:07:48,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2022-11-16 11:07:48,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2022-11-16 11:07:48,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2022-11-16 11:07:48,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2022-11-16 11:07:48,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2022-11-16 11:07:48,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2022-11-16 11:07:48,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2022-11-16 11:07:48,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2022-11-16 11:07:48,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2022-11-16 11:07:48,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2022-11-16 11:07:48,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2022-11-16 11:07:48,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2022-11-16 11:07:48,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2022-11-16 11:07:48,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2022-11-16 11:07:48,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2022-11-16 11:07:48,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2022-11-16 11:07:48,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2022-11-16 11:07:48,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2022-11-16 11:07:48,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2022-11-16 11:07:48,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2022-11-16 11:07:48,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2022-11-16 11:07:48,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2022-11-16 11:07:48,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2022-11-16 11:07:48,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2022-11-16 11:07:48,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2022-11-16 11:07:48,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2022-11-16 11:07:48,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2022-11-16 11:07:48,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2022-11-16 11:07:48,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2022-11-16 11:07:48,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2022-11-16 11:07:48,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2022-11-16 11:07:48,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2022-11-16 11:07:48,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2022-11-16 11:07:48,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2022-11-16 11:07:48,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2022-11-16 11:07:48,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2022-11-16 11:07:48,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2022-11-16 11:07:48,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 74 remaining) [2022-11-16 11:07:48,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 74 remaining) [2022-11-16 11:07:48,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 74 remaining) [2022-11-16 11:07:48,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2022-11-16 11:07:48,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2022-11-16 11:07:48,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2022-11-16 11:07:48,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2022-11-16 11:07:48,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2022-11-16 11:07:48,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2022-11-16 11:07:48,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2022-11-16 11:07:48,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2022-11-16 11:07:48,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2022-11-16 11:07:48,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2022-11-16 11:07:48,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2022-11-16 11:07:48,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2022-11-16 11:07:48,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2022-11-16 11:07:48,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2022-11-16 11:07:48,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2022-11-16 11:07:48,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2022-11-16 11:07:48,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2022-11-16 11:07:48,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2022-11-16 11:07:48,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2022-11-16 11:07:48,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2022-11-16 11:07:48,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2022-11-16 11:07:48,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2022-11-16 11:07:48,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2022-11-16 11:07:48,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2022-11-16 11:07:48,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2022-11-16 11:07:48,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2022-11-16 11:07:48,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2022-11-16 11:07:48,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-16 11:07:48,692 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:48,700 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:07:48,700 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:07:48,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:07:48 BasicIcfg [2022-11-16 11:07:48,708 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:07:48,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:07:48,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:07:48,709 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:07:48,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:07:28" (3/4) ... [2022-11-16 11:07:48,713 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:07:48,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 11:07:48,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 11:07:48,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-16 11:07:48,730 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-16 11:07:48,730 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:07:48,731 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:07:48,731 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:07:48,805 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:07:48,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:07:48,806 INFO L158 Benchmark]: Toolchain (without parser) took 22114.59ms. Allocated memory was 81.8MB in the beginning and 656.4MB in the end (delta: 574.6MB). Free memory was 62.4MB in the beginning and 461.0MB in the end (delta: -398.6MB). Peak memory consumption was 176.5MB. Max. memory is 16.1GB. [2022-11-16 11:07:48,806 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 59.7MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:07:48,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.23ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 62.4MB in the beginning and 88.8MB in the end (delta: -26.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:07:48,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.45ms. Allocated memory is still 113.2MB. Free memory was 88.8MB in the beginning and 85.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:07:48,807 INFO L158 Benchmark]: Boogie Preprocessor took 91.13ms. Allocated memory is still 113.2MB. Free memory was 85.7MB in the beginning and 83.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:07:48,808 INFO L158 Benchmark]: RCFGBuilder took 1137.55ms. Allocated memory is still 113.2MB. Free memory was 83.6MB in the beginning and 53.8MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-16 11:07:48,808 INFO L158 Benchmark]: TraceAbstraction took 20140.08ms. Allocated memory was 113.2MB in the beginning and 656.4MB in the end (delta: 543.2MB). Free memory was 53.3MB in the beginning and 465.2MB in the end (delta: -411.9MB). Peak memory consumption was 411.1MB. Max. memory is 16.1GB. [2022-11-16 11:07:48,809 INFO L158 Benchmark]: Witness Printer took 96.58ms. Allocated memory is still 656.4MB. Free memory was 465.2MB in the beginning and 461.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:07:48,811 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 59.7MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.23ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 62.4MB in the beginning and 88.8MB in the end (delta: -26.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.45ms. Allocated memory is still 113.2MB. Free memory was 88.8MB in the beginning and 85.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.13ms. Allocated memory is still 113.2MB. Free memory was 85.7MB in the beginning and 83.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1137.55ms. Allocated memory is still 113.2MB. Free memory was 83.6MB in the beginning and 53.8MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 20140.08ms. Allocated memory was 113.2MB in the beginning and 656.4MB in the end (delta: 543.2MB). Free memory was 53.3MB in the beginning and 465.2MB in the end (delta: -411.9MB). Peak memory consumption was 411.1MB. Max. memory is 16.1GB. * Witness Printer took 96.58ms. Allocated memory is still 656.4MB. Free memory was 465.2MB in the beginning and 461.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 61]: 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: 61]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 726 locations, 74 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 19.9s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 231 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 588 IncrementalHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 231 mSDtfsCounter, 588 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=931occurred in iteration=21, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 3804 NumberOfCodeBlocks, 3804 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3777 ConstructedInterpolants, 0 QuantifiedInterpolants, 4068 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:07:48,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8c2db9-2b44-43ca-a531-d278dac4ecaa/bin/uautomizer-tPACEb0tL8/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