./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2b2bb654bf56c4e17e833d277e8505998c0901a0fe529242a0e0db923034741 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:54:06,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:54:06,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:54:06,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:54:06,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:54:06,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:54:06,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:54:06,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:54:06,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:54:06,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:54:06,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:54:06,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:54:06,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:54:06,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:54:06,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:54:06,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:54:06,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:54:06,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:54:06,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:54:06,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:54:06,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:54:06,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:54:06,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:54:06,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:54:06,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:54:06,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:54:06,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:54:06,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:54:06,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:54:06,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:54:06,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:54:06,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:54:06,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:54:06,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:54:06,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:54:06,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:54:06,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:54:06,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:54:06,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:54:06,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:54:06,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:54:06,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 20:54:06,743 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:54:06,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:54:06,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:54:06,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:54:06,745 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:54:06,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:54:06,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:54:06,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:54:06,747 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:54:06,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:54:06,747 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:54:06,747 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:54:06,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:54:06,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:54:06,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:54:06,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:54:06,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:54:06,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:54:06,749 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 20:54:06,750 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:54:06,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:54:06,750 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:54:06,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:54:06,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:54:06,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:54:06,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:54:06,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:54:06,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:54:06,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:54:06,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:54:06,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:54:06,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:54:06,753 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:54:06,753 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:54:06,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:54:06,754 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_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b2bb654bf56c4e17e833d277e8505998c0901a0fe529242a0e0db923034741 [2022-11-18 20:54:07,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:54:07,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:54:07,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:54:07,060 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:54:07,061 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:54:07,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2022-11-18 20:54:07,124 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/data/56c993564/53980974d8e74d43a5a8e5a458455150/FLAG52a771c52 [2022-11-18 20:54:07,538 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:54:07,538 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2022-11-18 20:54:07,545 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/data/56c993564/53980974d8e74d43a5a8e5a458455150/FLAG52a771c52 [2022-11-18 20:54:07,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/data/56c993564/53980974d8e74d43a5a8e5a458455150 [2022-11-18 20:54:07,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:54:07,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:54:07,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:54:07,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:54:07,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:54:07,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:54:07" (1/1) ... [2022-11-18 20:54:07,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68733228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:07, skipping insertion in model container [2022-11-18 20:54:07,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:54:07" (1/1) ... [2022-11-18 20:54:07,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:54:08,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:54:08,319 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/sv-benchmarks/c/weaver/unroll-cond-5.wvr.c[2975,2988] [2022-11-18 20:54:08,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:54:08,348 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:54:08,413 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/sv-benchmarks/c/weaver/unroll-cond-5.wvr.c[2975,2988] [2022-11-18 20:54:08,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:54:08,442 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:54:08,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:08 WrapperNode [2022-11-18 20:54:08,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:54:08,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:54:08,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:54:08,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:54:08,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:08" (1/1) ... [2022-11-18 20:54:08,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:08" (1/1) ... [2022-11-18 20:54:08,511 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 483 [2022-11-18 20:54:08,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:54:08,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:54:08,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:54:08,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:54:08,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:08" (1/1) ... [2022-11-18 20:54:08,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:08" (1/1) ... [2022-11-18 20:54:08,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:08" (1/1) ... [2022-11-18 20:54:08,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:08" (1/1) ... [2022-11-18 20:54:08,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:08" (1/1) ... [2022-11-18 20:54:08,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:08" (1/1) ... [2022-11-18 20:54:08,556 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:08" (1/1) ... [2022-11-18 20:54:08,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:08" (1/1) ... [2022-11-18 20:54:08,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:54:08,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:54:08,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:54:08,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:54:08,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:08" (1/1) ... [2022-11-18 20:54:08,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:54:08,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:08,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:08,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:54:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:54:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 20:54:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 20:54:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 20:54:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 20:54:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:54:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:54:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:54:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:54:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:54:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:54:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:54:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:54:08,661 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:54:08,774 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:54:08,776 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:54:09,641 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:54:09,661 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:54:09,661 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:54:09,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:54:09 BoogieIcfgContainer [2022-11-18 20:54:09,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:54:09,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:54:09,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:54:09,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:54:09,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:54:07" (1/3) ... [2022-11-18 20:54:09,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b566f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:54:09, skipping insertion in model container [2022-11-18 20:54:09,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:08" (2/3) ... [2022-11-18 20:54:09,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b566f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:54:09, skipping insertion in model container [2022-11-18 20:54:09,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:54:09" (3/3) ... [2022-11-18 20:54:09,680 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2022-11-18 20:54:09,692 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:54:09,704 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:54:09,705 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2022-11-18 20:54:09,705 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:54:09,833 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-18 20:54:09,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 616 places, 643 transitions, 1302 flow [2022-11-18 20:54:10,155 INFO L130 PetriNetUnfolder]: 34/641 cut-off events. [2022-11-18 20:54:10,155 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 20:54:10,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 641 events. 34/641 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1898 event pairs, 0 based on Foata normal form. 0/521 useless extension candidates. Maximal degree in co-relation 507. Up to 2 conditions per place. [2022-11-18 20:54:10,170 INFO L82 GeneralOperation]: Start removeDead. Operand has 616 places, 643 transitions, 1302 flow [2022-11-18 20:54:10,182 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 597 places, 623 transitions, 1258 flow [2022-11-18 20:54:10,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:54:10,198 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;@5219c924, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:54:10,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 164 error locations. [2022-11-18 20:54:10,202 INFO L130 PetriNetUnfolder]: 0/22 cut-off events. [2022-11-18 20:54:10,202 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:54:10,202 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:10,203 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] [2022-11-18 20:54:10,204 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:10,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:10,209 INFO L85 PathProgramCache]: Analyzing trace with hash -960828187, now seen corresponding path program 1 times [2022-11-18 20:54:10,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:10,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478785222] [2022-11-18 20:54:10,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:10,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:10,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:10,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:10,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478785222] [2022-11-18 20:54:10,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478785222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:10,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:10,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:54:10,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302671227] [2022-11-18 20:54:10,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:10,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:54:10,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:10,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:54:10,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:54:10,514 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 597 out of 643 [2022-11-18 20:54:10,520 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 597 places, 623 transitions, 1258 flow. Second operand has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:10,521 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:10,521 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 597 of 643 [2022-11-18 20:54:10,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:11,172 INFO L130 PetriNetUnfolder]: 154/2488 cut-off events. [2022-11-18 20:54:11,172 INFO L131 PetriNetUnfolder]: For 56/101 co-relation queries the response was YES. [2022-11-18 20:54:11,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2692 conditions, 2488 events. 154/2488 cut-off events. For 56/101 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 17528 event pairs, 63 based on Foata normal form. 57/2009 useless extension candidates. Maximal degree in co-relation 2497. Up to 172 conditions per place. [2022-11-18 20:54:11,194 INFO L137 encePairwiseOnDemand]: 624/643 looper letters, 25 selfloop transitions, 2 changer transitions 3/606 dead transitions. [2022-11-18 20:54:11,194 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 598 places, 606 transitions, 1278 flow [2022-11-18 20:54:11,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:54:11,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:54:11,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1835 transitions. [2022-11-18 20:54:11,221 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9512700881285641 [2022-11-18 20:54:11,222 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1835 transitions. [2022-11-18 20:54:11,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1835 transitions. [2022-11-18 20:54:11,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:11,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1835 transitions. [2022-11-18 20:54:11,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 611.6666666666666) internal successors, (1835), 3 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:11,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:11,250 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:11,253 INFO L175 Difference]: Start difference. First operand has 597 places, 623 transitions, 1258 flow. Second operand 3 states and 1835 transitions. [2022-11-18 20:54:11,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 598 places, 606 transitions, 1278 flow [2022-11-18 20:54:11,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 594 places, 606 transitions, 1270 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:54:11,277 INFO L231 Difference]: Finished difference. Result has 594 places, 603 transitions, 1214 flow [2022-11-18 20:54:11,280 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1216, PETRI_DIFFERENCE_MINUEND_PLACES=592, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1214, PETRI_PLACES=594, PETRI_TRANSITIONS=603} [2022-11-18 20:54:11,283 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -3 predicate places. [2022-11-18 20:54:11,284 INFO L495 AbstractCegarLoop]: Abstraction has has 594 places, 603 transitions, 1214 flow [2022-11-18 20:54:11,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:11,286 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:11,286 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] [2022-11-18 20:54:11,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:54:11,287 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:11,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:11,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1853389208, now seen corresponding path program 1 times [2022-11-18 20:54:11,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:11,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496330994] [2022-11-18 20:54:11,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:11,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:11,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:11,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496330994] [2022-11-18 20:54:11,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496330994] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:11,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:11,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:54:11,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528923543] [2022-11-18 20:54:11,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:11,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:54:11,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:11,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:54:11,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:54:11,392 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 643 [2022-11-18 20:54:11,394 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 594 places, 603 transitions, 1214 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:11,394 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:11,399 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 643 [2022-11-18 20:54:11,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:12,181 INFO L130 PetriNetUnfolder]: 275/3054 cut-off events. [2022-11-18 20:54:12,182 INFO L131 PetriNetUnfolder]: For 58/58 co-relation queries the response was YES. [2022-11-18 20:54:12,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3415 conditions, 3054 events. 275/3054 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 21881 event pairs, 111 based on Foata normal form. 0/2380 useless extension candidates. Maximal degree in co-relation 3384. Up to 350 conditions per place. [2022-11-18 20:54:12,229 INFO L137 encePairwiseOnDemand]: 640/643 looper letters, 43 selfloop transitions, 2 changer transitions 0/602 dead transitions. [2022-11-18 20:54:12,229 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 592 places, 602 transitions, 1302 flow [2022-11-18 20:54:12,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:54:12,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:54:12,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1783 transitions. [2022-11-18 20:54:12,233 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9243131156039399 [2022-11-18 20:54:12,234 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1783 transitions. [2022-11-18 20:54:12,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1783 transitions. [2022-11-18 20:54:12,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:12,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1783 transitions. [2022-11-18 20:54:12,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 594.3333333333334) internal successors, (1783), 3 states have internal predecessors, (1783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:12,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:12,245 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:12,246 INFO L175 Difference]: Start difference. First operand has 594 places, 603 transitions, 1214 flow. Second operand 3 states and 1783 transitions. [2022-11-18 20:54:12,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 592 places, 602 transitions, 1302 flow [2022-11-18 20:54:12,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 590 places, 602 transitions, 1298 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:54:12,258 INFO L231 Difference]: Finished difference. Result has 590 places, 602 transitions, 1212 flow [2022-11-18 20:54:12,259 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1208, PETRI_DIFFERENCE_MINUEND_PLACES=588, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=600, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1212, PETRI_PLACES=590, PETRI_TRANSITIONS=602} [2022-11-18 20:54:12,260 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -7 predicate places. [2022-11-18 20:54:12,261 INFO L495 AbstractCegarLoop]: Abstraction has has 590 places, 602 transitions, 1212 flow [2022-11-18 20:54:12,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:12,262 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:12,262 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] [2022-11-18 20:54:12,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:54:12,263 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:12,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:12,264 INFO L85 PathProgramCache]: Analyzing trace with hash -565688744, now seen corresponding path program 1 times [2022-11-18 20:54:12,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:12,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171727115] [2022-11-18 20:54:12,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:12,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:12,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:12,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:12,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171727115] [2022-11-18 20:54:12,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171727115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:12,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:12,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:54:12,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411716507] [2022-11-18 20:54:12,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:12,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:54:12,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:12,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:54:12,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:54:12,349 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 582 out of 643 [2022-11-18 20:54:12,351 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 590 places, 602 transitions, 1212 flow. Second operand has 3 states, 3 states have (on average 583.3333333333334) internal successors, (1750), 3 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:12,351 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:12,351 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 582 of 643 [2022-11-18 20:54:12,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:13,042 INFO L130 PetriNetUnfolder]: 180/2509 cut-off events. [2022-11-18 20:54:13,043 INFO L131 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2022-11-18 20:54:13,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2717 conditions, 2509 events. 180/2509 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 16887 event pairs, 56 based on Foata normal form. 0/2020 useless extension candidates. Maximal degree in co-relation 2678. Up to 197 conditions per place. [2022-11-18 20:54:13,072 INFO L137 encePairwiseOnDemand]: 630/643 looper letters, 29 selfloop transitions, 1 changer transitions 0/590 dead transitions. [2022-11-18 20:54:13,073 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 590 transitions, 1248 flow [2022-11-18 20:54:13,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:54:13,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:54:13,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1788 transitions. [2022-11-18 20:54:13,077 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.926905132192846 [2022-11-18 20:54:13,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1788 transitions. [2022-11-18 20:54:13,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1788 transitions. [2022-11-18 20:54:13,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:13,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1788 transitions. [2022-11-18 20:54:13,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 596.0) internal successors, (1788), 3 states have internal predecessors, (1788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:13,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:13,088 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:13,088 INFO L175 Difference]: Start difference. First operand has 590 places, 602 transitions, 1212 flow. Second operand 3 states and 1788 transitions. [2022-11-18 20:54:13,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 590 transitions, 1248 flow [2022-11-18 20:54:13,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 578 places, 590 transitions, 1244 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:54:13,103 INFO L231 Difference]: Finished difference. Result has 578 places, 590 transitions, 1186 flow [2022-11-18 20:54:13,104 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1184, PETRI_DIFFERENCE_MINUEND_PLACES=576, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=589, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1186, PETRI_PLACES=578, PETRI_TRANSITIONS=590} [2022-11-18 20:54:13,106 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -19 predicate places. [2022-11-18 20:54:13,107 INFO L495 AbstractCegarLoop]: Abstraction has has 578 places, 590 transitions, 1186 flow [2022-11-18 20:54:13,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 583.3333333333334) internal successors, (1750), 3 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:13,108 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:13,108 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] [2022-11-18 20:54:13,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:54:13,109 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:13,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:13,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1472965131, now seen corresponding path program 1 times [2022-11-18 20:54:13,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:13,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846859424] [2022-11-18 20:54:13,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:13,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:13,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:13,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:13,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846859424] [2022-11-18 20:54:13,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846859424] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:13,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:13,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:54:13,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536139154] [2022-11-18 20:54:13,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:13,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:54:13,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:13,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:54:13,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:54:13,243 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 643 [2022-11-18 20:54:13,245 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 578 places, 590 transitions, 1186 flow. Second operand has 3 states, 3 states have (on average 586.3333333333334) internal successors, (1759), 3 states have internal predecessors, (1759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:13,245 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:13,245 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 643 [2022-11-18 20:54:13,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:13,830 INFO L130 PetriNetUnfolder]: 259/2763 cut-off events. [2022-11-18 20:54:13,830 INFO L131 PetriNetUnfolder]: For 58/58 co-relation queries the response was YES. [2022-11-18 20:54:13,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3105 conditions, 2763 events. 259/2763 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 19441 event pairs, 111 based on Foata normal form. 0/2213 useless extension candidates. Maximal degree in co-relation 3067. Up to 332 conditions per place. [2022-11-18 20:54:13,858 INFO L137 encePairwiseOnDemand]: 640/643 looper letters, 37 selfloop transitions, 2 changer transitions 0/589 dead transitions. [2022-11-18 20:54:13,858 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 579 places, 589 transitions, 1262 flow [2022-11-18 20:54:13,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:54:13,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:54:13,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1795 transitions. [2022-11-18 20:54:13,862 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9305339554173147 [2022-11-18 20:54:13,863 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1795 transitions. [2022-11-18 20:54:13,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1795 transitions. [2022-11-18 20:54:13,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:13,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1795 transitions. [2022-11-18 20:54:13,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:13,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:13,875 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:13,875 INFO L175 Difference]: Start difference. First operand has 578 places, 590 transitions, 1186 flow. Second operand 3 states and 1795 transitions. [2022-11-18 20:54:13,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 579 places, 589 transitions, 1262 flow [2022-11-18 20:54:13,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 578 places, 589 transitions, 1261 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:54:13,886 INFO L231 Difference]: Finished difference. Result has 578 places, 589 transitions, 1187 flow [2022-11-18 20:54:13,887 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1183, PETRI_DIFFERENCE_MINUEND_PLACES=576, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=587, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1187, PETRI_PLACES=578, PETRI_TRANSITIONS=589} [2022-11-18 20:54:13,888 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -19 predicate places. [2022-11-18 20:54:13,888 INFO L495 AbstractCegarLoop]: Abstraction has has 578 places, 589 transitions, 1187 flow [2022-11-18 20:54:13,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 586.3333333333334) internal successors, (1759), 3 states have internal predecessors, (1759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:13,889 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:13,890 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] [2022-11-18 20:54:13,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:54:13,890 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:13,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:13,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1661248966, now seen corresponding path program 1 times [2022-11-18 20:54:13,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:13,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871386665] [2022-11-18 20:54:13,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:13,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:14,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:14,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:14,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871386665] [2022-11-18 20:54:14,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871386665] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:14,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:14,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:54:14,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160744211] [2022-11-18 20:54:14,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:14,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:54:14,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:14,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:54:14,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:54:14,472 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 532 out of 643 [2022-11-18 20:54:14,476 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 578 places, 589 transitions, 1187 flow. Second operand has 6 states, 6 states have (on average 533.8333333333334) internal successors, (3203), 6 states have internal predecessors, (3203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:14,476 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:14,476 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 532 of 643 [2022-11-18 20:54:14,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:20,738 INFO L130 PetriNetUnfolder]: 6442/30929 cut-off events. [2022-11-18 20:54:20,739 INFO L131 PetriNetUnfolder]: For 105/105 co-relation queries the response was YES. [2022-11-18 20:54:21,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39714 conditions, 30929 events. 6442/30929 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 367433 event pairs, 4956 based on Foata normal form. 0/24641 useless extension candidates. Maximal degree in co-relation 39677. Up to 8767 conditions per place. [2022-11-18 20:54:21,196 INFO L137 encePairwiseOnDemand]: 637/643 looper letters, 87 selfloop transitions, 5 changer transitions 0/588 dead transitions. [2022-11-18 20:54:21,197 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 582 places, 588 transitions, 1369 flow [2022-11-18 20:54:21,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:54:21,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:54:21,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3285 transitions. [2022-11-18 20:54:21,207 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8514774494556765 [2022-11-18 20:54:21,208 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3285 transitions. [2022-11-18 20:54:21,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3285 transitions. [2022-11-18 20:54:21,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:21,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3285 transitions. [2022-11-18 20:54:21,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 547.5) internal successors, (3285), 6 states have internal predecessors, (3285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:21,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:21,236 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:21,237 INFO L175 Difference]: Start difference. First operand has 578 places, 589 transitions, 1187 flow. Second operand 6 states and 3285 transitions. [2022-11-18 20:54:21,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 582 places, 588 transitions, 1369 flow [2022-11-18 20:54:21,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 588 transitions, 1365 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:54:21,254 INFO L231 Difference]: Finished difference. Result has 580 places, 588 transitions, 1191 flow [2022-11-18 20:54:21,256 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1181, PETRI_DIFFERENCE_MINUEND_PLACES=575, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=583, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1191, PETRI_PLACES=580, PETRI_TRANSITIONS=588} [2022-11-18 20:54:21,259 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -17 predicate places. [2022-11-18 20:54:21,259 INFO L495 AbstractCegarLoop]: Abstraction has has 580 places, 588 transitions, 1191 flow [2022-11-18 20:54:21,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 533.8333333333334) internal successors, (3203), 6 states have internal predecessors, (3203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:21,264 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:21,265 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] [2022-11-18 20:54:21,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:54:21,265 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:21,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:21,268 INFO L85 PathProgramCache]: Analyzing trace with hash -50039782, now seen corresponding path program 1 times [2022-11-18 20:54:21,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:21,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488389512] [2022-11-18 20:54:21,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:21,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:21,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:21,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488389512] [2022-11-18 20:54:21,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488389512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:21,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:21,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:54:21,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216638035] [2022-11-18 20:54:21,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:21,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:54:21,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:21,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:54:21,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:54:21,380 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 600 out of 643 [2022-11-18 20:54:21,383 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 588 transitions, 1191 flow. Second operand has 3 states, 3 states have (on average 601.6666666666666) internal successors, (1805), 3 states have internal predecessors, (1805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:21,384 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:21,384 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 600 of 643 [2022-11-18 20:54:21,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:21,726 INFO L130 PetriNetUnfolder]: 103/1906 cut-off events. [2022-11-18 20:54:21,727 INFO L131 PetriNetUnfolder]: For 12/23 co-relation queries the response was YES. [2022-11-18 20:54:21,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2017 conditions, 1906 events. 103/1906 cut-off events. For 12/23 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 11880 event pairs, 20 based on Foata normal form. 1/1563 useless extension candidates. Maximal degree in co-relation 1999. Up to 94 conditions per place. [2022-11-18 20:54:21,742 INFO L137 encePairwiseOnDemand]: 635/643 looper letters, 19 selfloop transitions, 2 changer transitions 0/585 dead transitions. [2022-11-18 20:54:21,742 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 576 places, 585 transitions, 1228 flow [2022-11-18 20:54:21,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:54:21,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:54:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1827 transitions. [2022-11-18 20:54:21,750 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9471228615863142 [2022-11-18 20:54:21,750 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1827 transitions. [2022-11-18 20:54:21,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1827 transitions. [2022-11-18 20:54:21,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:21,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1827 transitions. [2022-11-18 20:54:21,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 609.0) internal successors, (1827), 3 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:21,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:21,765 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:21,765 INFO L175 Difference]: Start difference. First operand has 580 places, 588 transitions, 1191 flow. Second operand 3 states and 1827 transitions. [2022-11-18 20:54:21,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 576 places, 585 transitions, 1228 flow [2022-11-18 20:54:21,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 571 places, 585 transitions, 1218 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 20:54:21,783 INFO L231 Difference]: Finished difference. Result has 572 places, 584 transitions, 1183 flow [2022-11-18 20:54:21,784 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1169, PETRI_DIFFERENCE_MINUEND_PLACES=569, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=582, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=580, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1183, PETRI_PLACES=572, PETRI_TRANSITIONS=584} [2022-11-18 20:54:21,788 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -25 predicate places. [2022-11-18 20:54:21,788 INFO L495 AbstractCegarLoop]: Abstraction has has 572 places, 584 transitions, 1183 flow [2022-11-18 20:54:21,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 601.6666666666666) internal successors, (1805), 3 states have internal predecessors, (1805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:21,797 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:21,798 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:21,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:54:21,798 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:21,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:21,800 INFO L85 PathProgramCache]: Analyzing trace with hash -380042050, now seen corresponding path program 1 times [2022-11-18 20:54:21,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:21,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502019468] [2022-11-18 20:54:21,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:21,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:21,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:21,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502019468] [2022-11-18 20:54:21,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502019468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:21,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:21,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:54:21,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689353239] [2022-11-18 20:54:21,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:21,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:54:21,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:21,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:54:21,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:54:21,891 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 606 out of 643 [2022-11-18 20:54:21,895 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 584 transitions, 1183 flow. Second operand has 3 states, 3 states have (on average 607.0) internal successors, (1821), 3 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:21,895 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:21,895 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 606 of 643 [2022-11-18 20:54:21,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:22,431 INFO L130 PetriNetUnfolder]: 102/2724 cut-off events. [2022-11-18 20:54:22,431 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 20:54:22,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2791 conditions, 2724 events. 102/2724 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 20059 event pairs, 5 based on Foata normal form. 0/2242 useless extension candidates. Maximal degree in co-relation 2754. Up to 22 conditions per place. [2022-11-18 20:54:22,455 INFO L137 encePairwiseOnDemand]: 636/643 looper letters, 13 selfloop transitions, 3 changer transitions 0/581 dead transitions. [2022-11-18 20:54:22,455 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 581 transitions, 1210 flow [2022-11-18 20:54:22,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:54:22,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:54:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1838 transitions. [2022-11-18 20:54:22,461 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9528252980819077 [2022-11-18 20:54:22,461 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1838 transitions. [2022-11-18 20:54:22,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1838 transitions. [2022-11-18 20:54:22,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:22,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1838 transitions. [2022-11-18 20:54:22,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 612.6666666666666) internal successors, (1838), 3 states have internal predecessors, (1838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:22,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:22,473 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:22,473 INFO L175 Difference]: Start difference. First operand has 572 places, 584 transitions, 1183 flow. Second operand 3 states and 1838 transitions. [2022-11-18 20:54:22,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 581 transitions, 1210 flow [2022-11-18 20:54:22,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 581 transitions, 1210 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:54:22,484 INFO L231 Difference]: Finished difference. Result has 570 places, 580 transitions, 1181 flow [2022-11-18 20:54:22,485 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1175, PETRI_DIFFERENCE_MINUEND_PLACES=568, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=577, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1181, PETRI_PLACES=570, PETRI_TRANSITIONS=580} [2022-11-18 20:54:22,486 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -27 predicate places. [2022-11-18 20:54:22,486 INFO L495 AbstractCegarLoop]: Abstraction has has 570 places, 580 transitions, 1181 flow [2022-11-18 20:54:22,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 607.0) internal successors, (1821), 3 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:22,487 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:22,487 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] [2022-11-18 20:54:22,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:54:22,488 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:22,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:22,489 INFO L85 PathProgramCache]: Analyzing trace with hash -523916315, now seen corresponding path program 1 times [2022-11-18 20:54:22,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:22,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759636675] [2022-11-18 20:54:22,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:22,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:22,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:22,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759636675] [2022-11-18 20:54:22,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759636675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:22,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:22,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:54:22,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277386092] [2022-11-18 20:54:22,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:22,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:54:22,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:22,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:54:22,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:54:22,543 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 510 out of 643 [2022-11-18 20:54:22,545 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 570 places, 580 transitions, 1181 flow. Second operand has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:22,546 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:22,546 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 510 of 643 [2022-11-18 20:54:22,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:22,945 INFO L130 PetriNetUnfolder]: 133/1430 cut-off events. [2022-11-18 20:54:22,945 INFO L131 PetriNetUnfolder]: For 84/89 co-relation queries the response was YES. [2022-11-18 20:54:22,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1786 conditions, 1430 events. 133/1430 cut-off events. For 84/89 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8967 event pairs, 27 based on Foata normal form. 2/1266 useless extension candidates. Maximal degree in co-relation 1748. Up to 222 conditions per place. [2022-11-18 20:54:22,962 INFO L137 encePairwiseOnDemand]: 596/643 looper letters, 67 selfloop transitions, 18 changer transitions 5/553 dead transitions. [2022-11-18 20:54:22,962 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 553 transitions, 1302 flow [2022-11-18 20:54:22,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:54:22,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:54:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1645 transitions. [2022-11-18 20:54:22,968 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8527734577501296 [2022-11-18 20:54:22,968 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1645 transitions. [2022-11-18 20:54:22,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1645 transitions. [2022-11-18 20:54:22,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:22,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1645 transitions. [2022-11-18 20:54:22,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 548.3333333333334) internal successors, (1645), 3 states have internal predecessors, (1645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:22,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:22,980 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:22,980 INFO L175 Difference]: Start difference. First operand has 570 places, 580 transitions, 1181 flow. Second operand 3 states and 1645 transitions. [2022-11-18 20:54:22,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 553 transitions, 1302 flow [2022-11-18 20:54:22,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 553 transitions, 1296 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:54:22,992 INFO L231 Difference]: Finished difference. Result has 542 places, 547 transitions, 1144 flow [2022-11-18 20:54:22,993 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1119, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=534, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1144, PETRI_PLACES=542, PETRI_TRANSITIONS=547} [2022-11-18 20:54:22,994 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -55 predicate places. [2022-11-18 20:54:22,994 INFO L495 AbstractCegarLoop]: Abstraction has has 542 places, 547 transitions, 1144 flow [2022-11-18 20:54:22,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:22,995 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:22,996 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] [2022-11-18 20:54:22,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:54:22,996 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:22,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:22,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1297431537, now seen corresponding path program 1 times [2022-11-18 20:54:22,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:22,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523612679] [2022-11-18 20:54:22,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:22,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:23,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:23,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:23,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523612679] [2022-11-18 20:54:23,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523612679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:23,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:23,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:54:23,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145436866] [2022-11-18 20:54:23,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:23,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:54:23,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:23,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:54:23,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:54:23,493 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 537 out of 643 [2022-11-18 20:54:23,497 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 547 transitions, 1144 flow. Second operand has 6 states, 6 states have (on average 538.8333333333334) internal successors, (3233), 6 states have internal predecessors, (3233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:23,497 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:23,497 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 537 of 643 [2022-11-18 20:54:23,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:27,541 INFO L130 PetriNetUnfolder]: 5925/17496 cut-off events. [2022-11-18 20:54:27,541 INFO L131 PetriNetUnfolder]: For 1/5 co-relation queries the response was YES. [2022-11-18 20:54:27,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27051 conditions, 17496 events. 5925/17496 cut-off events. For 1/5 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 164242 event pairs, 1418 based on Foata normal form. 3/15163 useless extension candidates. Maximal degree in co-relation 27011. Up to 3269 conditions per place. [2022-11-18 20:54:27,710 INFO L137 encePairwiseOnDemand]: 638/643 looper letters, 319 selfloop transitions, 4 changer transitions 0/786 dead transitions. [2022-11-18 20:54:27,710 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 786 transitions, 2268 flow [2022-11-18 20:54:27,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:54:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:54:27,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3546 transitions. [2022-11-18 20:54:27,722 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9191290824261276 [2022-11-18 20:54:27,723 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3546 transitions. [2022-11-18 20:54:27,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3546 transitions. [2022-11-18 20:54:27,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:27,727 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3546 transitions. [2022-11-18 20:54:27,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 591.0) internal successors, (3546), 6 states have internal predecessors, (3546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:27,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:27,750 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:27,750 INFO L175 Difference]: Start difference. First operand has 542 places, 547 transitions, 1144 flow. Second operand 6 states and 3546 transitions. [2022-11-18 20:54:27,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 786 transitions, 2268 flow [2022-11-18 20:54:27,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 786 transitions, 2232 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:54:27,775 INFO L231 Difference]: Finished difference. Result has 539 places, 546 transitions, 1114 flow [2022-11-18 20:54:27,776 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1106, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1114, PETRI_PLACES=539, PETRI_TRANSITIONS=546} [2022-11-18 20:54:27,777 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -58 predicate places. [2022-11-18 20:54:27,777 INFO L495 AbstractCegarLoop]: Abstraction has has 539 places, 546 transitions, 1114 flow [2022-11-18 20:54:27,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 538.8333333333334) internal successors, (3233), 6 states have internal predecessors, (3233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:27,779 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:27,779 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] [2022-11-18 20:54:27,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:54:27,780 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:27,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:27,781 INFO L85 PathProgramCache]: Analyzing trace with hash -54867994, now seen corresponding path program 1 times [2022-11-18 20:54:27,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:27,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59389267] [2022-11-18 20:54:27,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:27,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:27,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:27,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:27,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59389267] [2022-11-18 20:54:27,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59389267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:27,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:27,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:54:27,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904288095] [2022-11-18 20:54:27,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:27,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:54:27,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:27,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:54:27,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:54:27,847 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 588 out of 643 [2022-11-18 20:54:27,849 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 546 transitions, 1114 flow. Second operand has 3 states, 3 states have (on average 589.6666666666666) internal successors, (1769), 3 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:27,850 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:27,850 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 588 of 643 [2022-11-18 20:54:27,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:28,427 INFO L130 PetriNetUnfolder]: 174/2518 cut-off events. [2022-11-18 20:54:28,427 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-11-18 20:54:28,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2738 conditions, 2518 events. 174/2518 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 17184 event pairs, 19 based on Foata normal form. 0/2243 useless extension candidates. Maximal degree in co-relation 2700. Up to 180 conditions per place. [2022-11-18 20:54:28,454 INFO L137 encePairwiseOnDemand]: 627/643 looper letters, 27 selfloop transitions, 6 changer transitions 0/544 dead transitions. [2022-11-18 20:54:28,454 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 544 transitions, 1178 flow [2022-11-18 20:54:28,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:54:28,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:54:28,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1807 transitions. [2022-11-18 20:54:28,461 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9367547952306895 [2022-11-18 20:54:28,461 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1807 transitions. [2022-11-18 20:54:28,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1807 transitions. [2022-11-18 20:54:28,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:28,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1807 transitions. [2022-11-18 20:54:28,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 602.3333333333334) internal successors, (1807), 3 states have internal predecessors, (1807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:28,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:28,474 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:28,474 INFO L175 Difference]: Start difference. First operand has 539 places, 546 transitions, 1114 flow. Second operand 3 states and 1807 transitions. [2022-11-18 20:54:28,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 544 transitions, 1178 flow [2022-11-18 20:54:28,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 527 places, 544 transitions, 1171 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:54:28,486 INFO L231 Difference]: Finished difference. Result has 528 places, 542 transitions, 1129 flow [2022-11-18 20:54:28,488 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1087, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1129, PETRI_PLACES=528, PETRI_TRANSITIONS=542} [2022-11-18 20:54:28,489 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -69 predicate places. [2022-11-18 20:54:28,490 INFO L495 AbstractCegarLoop]: Abstraction has has 528 places, 542 transitions, 1129 flow [2022-11-18 20:54:28,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 589.6666666666666) internal successors, (1769), 3 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:28,491 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:28,491 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:28,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:54:28,492 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:28,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:28,492 INFO L85 PathProgramCache]: Analyzing trace with hash 8463756, now seen corresponding path program 1 times [2022-11-18 20:54:28,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:28,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422091692] [2022-11-18 20:54:28,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:28,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:28,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:28,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:28,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422091692] [2022-11-18 20:54:28,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422091692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:28,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:28,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:54:28,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356613057] [2022-11-18 20:54:28,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:28,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:54:28,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:28,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:54:28,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:54:28,664 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 605 out of 643 [2022-11-18 20:54:28,667 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 542 transitions, 1129 flow. Second operand has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:28,667 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:28,667 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 605 of 643 [2022-11-18 20:54:28,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:29,481 INFO L130 PetriNetUnfolder]: 209/4026 cut-off events. [2022-11-18 20:54:29,482 INFO L131 PetriNetUnfolder]: For 2/4 co-relation queries the response was YES. [2022-11-18 20:54:29,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4328 conditions, 4026 events. 209/4026 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 31748 event pairs, 16 based on Foata normal form. 1/3591 useless extension candidates. Maximal degree in co-relation 4289. Up to 88 conditions per place. [2022-11-18 20:54:29,525 INFO L137 encePairwiseOnDemand]: 637/643 looper letters, 29 selfloop transitions, 6 changer transitions 0/559 dead transitions. [2022-11-18 20:54:29,525 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 559 transitions, 1237 flow [2022-11-18 20:54:29,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:54:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-18 20:54:29,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3061 transitions. [2022-11-18 20:54:29,533 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.952099533437014 [2022-11-18 20:54:29,534 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3061 transitions. [2022-11-18 20:54:29,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3061 transitions. [2022-11-18 20:54:29,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:29,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3061 transitions. [2022-11-18 20:54:29,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 612.2) internal successors, (3061), 5 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:29,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 643.0) internal successors, (3858), 6 states have internal predecessors, (3858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:29,553 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 643.0) internal successors, (3858), 6 states have internal predecessors, (3858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:29,554 INFO L175 Difference]: Start difference. First operand has 528 places, 542 transitions, 1129 flow. Second operand 5 states and 3061 transitions. [2022-11-18 20:54:29,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 559 transitions, 1237 flow [2022-11-18 20:54:29,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 559 transitions, 1237 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:54:29,567 INFO L231 Difference]: Finished difference. Result has 535 places, 546 transitions, 1167 flow [2022-11-18 20:54:29,568 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1129, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1167, PETRI_PLACES=535, PETRI_TRANSITIONS=546} [2022-11-18 20:54:29,569 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -62 predicate places. [2022-11-18 20:54:29,569 INFO L495 AbstractCegarLoop]: Abstraction has has 535 places, 546 transitions, 1167 flow [2022-11-18 20:54:29,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:29,570 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:29,570 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:29,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:54:29,571 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:29,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:29,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1817846315, now seen corresponding path program 1 times [2022-11-18 20:54:29,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:29,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111749240] [2022-11-18 20:54:29,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:29,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:30,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:30,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:30,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111749240] [2022-11-18 20:54:30,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111749240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:30,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:30,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:54:30,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446751097] [2022-11-18 20:54:30,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:30,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:54:30,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:30,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:54:30,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:54:30,131 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 537 out of 643 [2022-11-18 20:54:30,135 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 546 transitions, 1167 flow. Second operand has 6 states, 6 states have (on average 539.8333333333334) internal successors, (3239), 6 states have internal predecessors, (3239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:30,135 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:30,136 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 537 of 643 [2022-11-18 20:54:30,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:38,389 INFO L130 PetriNetUnfolder]: 11169/48604 cut-off events. [2022-11-18 20:54:38,389 INFO L131 PetriNetUnfolder]: For 172/172 co-relation queries the response was YES. [2022-11-18 20:54:38,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66283 conditions, 48604 events. 11169/48604 cut-off events. For 172/172 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 582169 event pairs, 8680 based on Foata normal form. 0/43083 useless extension candidates. Maximal degree in co-relation 66238. Up to 14521 conditions per place. [2022-11-18 20:54:38,686 INFO L137 encePairwiseOnDemand]: 638/643 looper letters, 294 selfloop transitions, 4 changer transitions 0/761 dead transitions. [2022-11-18 20:54:38,687 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 761 transitions, 2193 flow [2022-11-18 20:54:38,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:54:38,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:54:38,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3521 transitions. [2022-11-18 20:54:38,694 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9126490409538621 [2022-11-18 20:54:38,694 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3521 transitions. [2022-11-18 20:54:38,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3521 transitions. [2022-11-18 20:54:38,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:38,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3521 transitions. [2022-11-18 20:54:38,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 586.8333333333334) internal successors, (3521), 6 states have internal predecessors, (3521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:38,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:38,713 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:38,713 INFO L175 Difference]: Start difference. First operand has 535 places, 546 transitions, 1167 flow. Second operand 6 states and 3521 transitions. [2022-11-18 20:54:38,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 761 transitions, 2193 flow [2022-11-18 20:54:38,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 761 transitions, 2193 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:54:38,725 INFO L231 Difference]: Finished difference. Result has 539 places, 545 transitions, 1173 flow [2022-11-18 20:54:38,726 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1165, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1173, PETRI_PLACES=539, PETRI_TRANSITIONS=545} [2022-11-18 20:54:38,727 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -58 predicate places. [2022-11-18 20:54:38,727 INFO L495 AbstractCegarLoop]: Abstraction has has 539 places, 545 transitions, 1173 flow [2022-11-18 20:54:38,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 539.8333333333334) internal successors, (3239), 6 states have internal predecessors, (3239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:38,728 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:38,729 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] [2022-11-18 20:54:38,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 20:54:38,729 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:38,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:38,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1092756470, now seen corresponding path program 1 times [2022-11-18 20:54:38,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:38,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869016646] [2022-11-18 20:54:38,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:38,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:39,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:39,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:39,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869016646] [2022-11-18 20:54:39,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869016646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:39,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:39,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:54:39,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021522801] [2022-11-18 20:54:39,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:39,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:54:39,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:39,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:54:39,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:54:39,202 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 526 out of 643 [2022-11-18 20:54:39,206 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 545 transitions, 1173 flow. Second operand has 6 states, 6 states have (on average 528.0) internal successors, (3168), 6 states have internal predecessors, (3168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:39,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:39,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 526 of 643 [2022-11-18 20:54:39,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:47,940 INFO L130 PetriNetUnfolder]: 16126/51538 cut-off events. [2022-11-18 20:54:47,941 INFO L131 PetriNetUnfolder]: For 4834/4834 co-relation queries the response was YES. [2022-11-18 20:54:48,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82136 conditions, 51538 events. 16126/51538 cut-off events. For 4834/4834 co-relation queries the response was YES. Maximal size of possible extension queue 639. Compared 574943 event pairs, 6566 based on Foata normal form. 0/46858 useless extension candidates. Maximal degree in co-relation 82090. Up to 12402 conditions per place. [2022-11-18 20:54:48,395 INFO L137 encePairwiseOnDemand]: 637/643 looper letters, 366 selfloop transitions, 6 changer transitions 0/820 dead transitions. [2022-11-18 20:54:48,395 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 820 transitions, 2475 flow [2022-11-18 20:54:48,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:54:48,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:54:48,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3526 transitions. [2022-11-18 20:54:48,404 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9139450492483152 [2022-11-18 20:54:48,404 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3526 transitions. [2022-11-18 20:54:48,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3526 transitions. [2022-11-18 20:54:48,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:48,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3526 transitions. [2022-11-18 20:54:48,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 587.6666666666666) internal successors, (3526), 6 states have internal predecessors, (3526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:48,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:48,421 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:48,421 INFO L175 Difference]: Start difference. First operand has 539 places, 545 transitions, 1173 flow. Second operand 6 states and 3526 transitions. [2022-11-18 20:54:48,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 820 transitions, 2475 flow [2022-11-18 20:54:48,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 820 transitions, 2468 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:54:48,440 INFO L231 Difference]: Finished difference. Result has 539 places, 544 transitions, 1176 flow [2022-11-18 20:54:48,441 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1164, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1176, PETRI_PLACES=539, PETRI_TRANSITIONS=544} [2022-11-18 20:54:48,443 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -58 predicate places. [2022-11-18 20:54:48,443 INFO L495 AbstractCegarLoop]: Abstraction has has 539 places, 544 transitions, 1176 flow [2022-11-18 20:54:48,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 528.0) internal successors, (3168), 6 states have internal predecessors, (3168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:48,444 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:48,445 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:48,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 20:54:48,445 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:48,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:48,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1921577728, now seen corresponding path program 1 times [2022-11-18 20:54:48,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:48,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317764347] [2022-11-18 20:54:48,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:48,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:48,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:48,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:48,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317764347] [2022-11-18 20:54:48,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317764347] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:48,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:48,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:54:48,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683960060] [2022-11-18 20:54:48,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:48,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:54:48,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:48,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:54:48,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:54:48,572 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 643 [2022-11-18 20:54:48,574 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 544 transitions, 1176 flow. Second operand has 4 states, 4 states have (on average 528.25) internal successors, (2113), 4 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:48,574 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:48,574 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 643 [2022-11-18 20:54:48,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:49,405 INFO L130 PetriNetUnfolder]: 424/3873 cut-off events. [2022-11-18 20:54:49,405 INFO L131 PetriNetUnfolder]: For 278/281 co-relation queries the response was YES. [2022-11-18 20:54:49,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5267 conditions, 3873 events. 424/3873 cut-off events. For 278/281 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 31551 event pairs, 96 based on Foata normal form. 1/3516 useless extension candidates. Maximal degree in co-relation 5222. Up to 757 conditions per place. [2022-11-18 20:54:49,432 INFO L137 encePairwiseOnDemand]: 633/643 looper letters, 144 selfloop transitions, 10 changer transitions 0/600 dead transitions. [2022-11-18 20:54:49,432 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 600 transitions, 1599 flow [2022-11-18 20:54:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:54:49,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-18 20:54:49,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2780 transitions. [2022-11-18 20:54:49,438 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.864696734059098 [2022-11-18 20:54:49,438 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2780 transitions. [2022-11-18 20:54:49,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2780 transitions. [2022-11-18 20:54:49,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:49,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2780 transitions. [2022-11-18 20:54:49,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 556.0) internal successors, (2780), 5 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:49,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 643.0) internal successors, (3858), 6 states have internal predecessors, (3858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:49,452 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 643.0) internal successors, (3858), 6 states have internal predecessors, (3858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:49,452 INFO L175 Difference]: Start difference. First operand has 539 places, 544 transitions, 1176 flow. Second operand 5 states and 2780 transitions. [2022-11-18 20:54:49,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 600 transitions, 1599 flow [2022-11-18 20:54:49,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 600 transitions, 1587 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 20:54:49,463 INFO L231 Difference]: Finished difference. Result has 541 places, 552 transitions, 1234 flow [2022-11-18 20:54:49,464 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1164, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1234, PETRI_PLACES=541, PETRI_TRANSITIONS=552} [2022-11-18 20:54:49,465 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -56 predicate places. [2022-11-18 20:54:49,465 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 552 transitions, 1234 flow [2022-11-18 20:54:49,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 528.25) internal successors, (2113), 4 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:49,466 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:49,466 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] [2022-11-18 20:54:49,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 20:54:49,466 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:49,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:49,467 INFO L85 PathProgramCache]: Analyzing trace with hash 668758413, now seen corresponding path program 1 times [2022-11-18 20:54:49,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:49,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179192060] [2022-11-18 20:54:49,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:49,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:49,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:49,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:49,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179192060] [2022-11-18 20:54:49,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179192060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:49,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:49,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:54:49,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212393093] [2022-11-18 20:54:49,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:49,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:54:49,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:49,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:54:49,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:54:49,511 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 604 out of 643 [2022-11-18 20:54:49,513 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 552 transitions, 1234 flow. Second operand has 3 states, 3 states have (on average 607.3333333333334) internal successors, (1822), 3 states have internal predecessors, (1822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:49,513 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:49,513 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 604 of 643 [2022-11-18 20:54:49,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:49,995 INFO L130 PetriNetUnfolder]: 140/2577 cut-off events. [2022-11-18 20:54:49,996 INFO L131 PetriNetUnfolder]: For 42/44 co-relation queries the response was YES. [2022-11-18 20:54:50,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2969 conditions, 2577 events. 140/2577 cut-off events. For 42/44 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 15993 event pairs, 26 based on Foata normal form. 0/2335 useless extension candidates. Maximal degree in co-relation 2921. Up to 87 conditions per place. [2022-11-18 20:54:50,015 INFO L137 encePairwiseOnDemand]: 640/643 looper letters, 12 selfloop transitions, 2 changer transitions 0/552 dead transitions. [2022-11-18 20:54:50,015 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 552 transitions, 1263 flow [2022-11-18 20:54:50,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:54:50,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:54:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1827 transitions. [2022-11-18 20:54:50,019 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9471228615863142 [2022-11-18 20:54:50,019 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1827 transitions. [2022-11-18 20:54:50,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1827 transitions. [2022-11-18 20:54:50,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:50,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1827 transitions. [2022-11-18 20:54:50,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 609.0) internal successors, (1827), 3 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:50,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:50,028 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:50,028 INFO L175 Difference]: Start difference. First operand has 541 places, 552 transitions, 1234 flow. Second operand 3 states and 1827 transitions. [2022-11-18 20:54:50,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 552 transitions, 1263 flow [2022-11-18 20:54:50,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 552 transitions, 1263 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:54:50,038 INFO L231 Difference]: Finished difference. Result has 542 places, 551 transitions, 1236 flow [2022-11-18 20:54:50,039 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1232, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=549, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1236, PETRI_PLACES=542, PETRI_TRANSITIONS=551} [2022-11-18 20:54:50,039 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -55 predicate places. [2022-11-18 20:54:50,040 INFO L495 AbstractCegarLoop]: Abstraction has has 542 places, 551 transitions, 1236 flow [2022-11-18 20:54:50,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 607.3333333333334) internal successors, (1822), 3 states have internal predecessors, (1822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:50,041 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:50,041 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] [2022-11-18 20:54:50,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 20:54:50,041 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err42ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:50,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:50,042 INFO L85 PathProgramCache]: Analyzing trace with hash -84952968, now seen corresponding path program 1 times [2022-11-18 20:54:50,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:50,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481410000] [2022-11-18 20:54:50,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:50,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:50,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:50,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481410000] [2022-11-18 20:54:50,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481410000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:50,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:50,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:54:50,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738823960] [2022-11-18 20:54:50,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:50,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:54:50,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:50,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:54:50,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:54:50,135 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 643 [2022-11-18 20:54:50,138 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 551 transitions, 1236 flow. Second operand has 4 states, 4 states have (on average 528.25) internal successors, (2113), 4 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:50,138 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:50,138 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 643 [2022-11-18 20:54:50,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:54:50,982 INFO L130 PetriNetUnfolder]: 421/3863 cut-off events. [2022-11-18 20:54:50,982 INFO L131 PetriNetUnfolder]: For 354/356 co-relation queries the response was YES. [2022-11-18 20:54:51,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5368 conditions, 3863 events. 421/3863 cut-off events. For 354/356 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 31396 event pairs, 98 based on Foata normal form. 0/3527 useless extension candidates. Maximal degree in co-relation 5318. Up to 757 conditions per place. [2022-11-18 20:54:51,010 INFO L137 encePairwiseOnDemand]: 633/643 looper letters, 144 selfloop transitions, 10 changer transitions 0/600 dead transitions. [2022-11-18 20:54:51,011 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 600 transitions, 1645 flow [2022-11-18 20:54:51,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:54:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-18 20:54:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2780 transitions. [2022-11-18 20:54:51,078 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.864696734059098 [2022-11-18 20:54:51,078 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2780 transitions. [2022-11-18 20:54:51,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2780 transitions. [2022-11-18 20:54:51,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:54:51,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2780 transitions. [2022-11-18 20:54:51,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 556.0) internal successors, (2780), 5 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:51,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 643.0) internal successors, (3858), 6 states have internal predecessors, (3858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:51,091 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 643.0) internal successors, (3858), 6 states have internal predecessors, (3858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:51,093 INFO L175 Difference]: Start difference. First operand has 542 places, 551 transitions, 1236 flow. Second operand 5 states and 2780 transitions. [2022-11-18 20:54:51,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 600 transitions, 1645 flow [2022-11-18 20:54:51,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 600 transitions, 1641 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:54:51,103 INFO L231 Difference]: Finished difference. Result has 547 places, 554 transitions, 1282 flow [2022-11-18 20:54:51,104 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1232, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1282, PETRI_PLACES=547, PETRI_TRANSITIONS=554} [2022-11-18 20:54:51,105 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -50 predicate places. [2022-11-18 20:54:51,107 INFO L495 AbstractCegarLoop]: Abstraction has has 547 places, 554 transitions, 1282 flow [2022-11-18 20:54:51,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 528.25) internal successors, (2113), 4 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:51,108 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:54:51,108 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] [2022-11-18 20:54:51,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 20:54:51,108 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:54:51,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:51,109 INFO L85 PathProgramCache]: Analyzing trace with hash 346003357, now seen corresponding path program 1 times [2022-11-18 20:54:51,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:51,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385996869] [2022-11-18 20:54:51,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:51,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:51,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:51,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:51,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385996869] [2022-11-18 20:54:51,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385996869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:51,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:51,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:54:51,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380609288] [2022-11-18 20:54:51,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:51,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:54:51,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:51,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:54:51,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:54:51,475 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 643 [2022-11-18 20:54:51,477 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 554 transitions, 1282 flow. Second operand has 6 states, 6 states have (on average 504.1666666666667) internal successors, (3025), 6 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:54:51,478 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:54:51,478 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 643 [2022-11-18 20:54:51,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:55:02,514 INFO L130 PetriNetUnfolder]: 21416/68547 cut-off events. [2022-11-18 20:55:02,514 INFO L131 PetriNetUnfolder]: For 5664/5664 co-relation queries the response was YES. [2022-11-18 20:55:02,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109771 conditions, 68547 events. 21416/68547 cut-off events. For 5664/5664 co-relation queries the response was YES. Maximal size of possible extension queue 701. Compared 769319 event pairs, 7202 based on Foata normal form. 0/63772 useless extension candidates. Maximal degree in co-relation 109716. Up to 13614 conditions per place. [2022-11-18 20:55:02,889 INFO L137 encePairwiseOnDemand]: 589/643 looper letters, 135 selfloop transitions, 50 changer transitions 0/613 dead transitions. [2022-11-18 20:55:02,889 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 613 transitions, 1782 flow [2022-11-18 20:55:02,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:55:02,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:55:02,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3197 transitions. [2022-11-18 20:55:02,896 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8286677034733022 [2022-11-18 20:55:02,896 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3197 transitions. [2022-11-18 20:55:02,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3197 transitions. [2022-11-18 20:55:02,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:55:02,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3197 transitions. [2022-11-18 20:55:02,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 532.8333333333334) internal successors, (3197), 6 states have internal predecessors, (3197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:02,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:02,907 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:02,907 INFO L175 Difference]: Start difference. First operand has 547 places, 554 transitions, 1282 flow. Second operand 6 states and 3197 transitions. [2022-11-18 20:55:02,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 613 transitions, 1782 flow [2022-11-18 20:55:02,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 613 transitions, 1782 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:55:02,924 INFO L231 Difference]: Finished difference. Result has 543 places, 545 transitions, 1364 flow [2022-11-18 20:55:02,925 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1264, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=495, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1364, PETRI_PLACES=543, PETRI_TRANSITIONS=545} [2022-11-18 20:55:02,926 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -54 predicate places. [2022-11-18 20:55:02,926 INFO L495 AbstractCegarLoop]: Abstraction has has 543 places, 545 transitions, 1364 flow [2022-11-18 20:55:02,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 504.1666666666667) internal successors, (3025), 6 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:02,926 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:55:02,927 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] [2022-11-18 20:55:02,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 20:55:02,927 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:55:02,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:55:02,928 INFO L85 PathProgramCache]: Analyzing trace with hash 146405195, now seen corresponding path program 1 times [2022-11-18 20:55:02,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:55:02,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677046904] [2022-11-18 20:55:02,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:55:02,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:55:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:55:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:55:02,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:55:02,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677046904] [2022-11-18 20:55:02,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677046904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:55:02,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:55:02,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:55:02,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078274334] [2022-11-18 20:55:02,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:55:02,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:55:02,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:55:02,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:55:02,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:55:02,974 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 643 [2022-11-18 20:55:02,975 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 545 transitions, 1364 flow. Second operand has 3 states, 3 states have (on average 511.6666666666667) internal successors, (1535), 3 states have internal predecessors, (1535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:02,975 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:55:02,975 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 643 [2022-11-18 20:55:02,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:55:03,678 INFO L130 PetriNetUnfolder]: 385/3724 cut-off events. [2022-11-18 20:55:03,678 INFO L131 PetriNetUnfolder]: For 598/602 co-relation queries the response was YES. [2022-11-18 20:55:03,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5475 conditions, 3724 events. 385/3724 cut-off events. For 598/602 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 29845 event pairs, 232 based on Foata normal form. 0/3473 useless extension candidates. Maximal degree in co-relation 5421. Up to 865 conditions per place. [2022-11-18 20:55:03,703 INFO L137 encePairwiseOnDemand]: 640/643 looper letters, 84 selfloop transitions, 2 changer transitions 0/545 dead transitions. [2022-11-18 20:55:03,703 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 545 transitions, 1537 flow [2022-11-18 20:55:03,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:55:03,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:55:03,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1611 transitions. [2022-11-18 20:55:03,708 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8351477449455676 [2022-11-18 20:55:03,708 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1611 transitions. [2022-11-18 20:55:03,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1611 transitions. [2022-11-18 20:55:03,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:55:03,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1611 transitions. [2022-11-18 20:55:03,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 537.0) internal successors, (1611), 3 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:03,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:03,713 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:03,714 INFO L175 Difference]: Start difference. First operand has 543 places, 545 transitions, 1364 flow. Second operand 3 states and 1611 transitions. [2022-11-18 20:55:03,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 545 transitions, 1537 flow [2022-11-18 20:55:03,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 545 transitions, 1437 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 20:55:03,726 INFO L231 Difference]: Finished difference. Result has 539 places, 544 transitions, 1266 flow [2022-11-18 20:55:03,727 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1262, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1266, PETRI_PLACES=539, PETRI_TRANSITIONS=544} [2022-11-18 20:55:03,728 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -58 predicate places. [2022-11-18 20:55:03,728 INFO L495 AbstractCegarLoop]: Abstraction has has 539 places, 544 transitions, 1266 flow [2022-11-18 20:55:03,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.6666666666667) internal successors, (1535), 3 states have internal predecessors, (1535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:03,729 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:55:03,729 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] [2022-11-18 20:55:03,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 20:55:03,729 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err51ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:55:03,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:55:03,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1551052821, now seen corresponding path program 1 times [2022-11-18 20:55:03,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:55:03,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559974810] [2022-11-18 20:55:03,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:55:03,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:55:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:55:03,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:55:03,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:55:03,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559974810] [2022-11-18 20:55:03,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559974810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:55:03,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:55:03,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:55:03,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123771861] [2022-11-18 20:55:03,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:55:03,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:55:03,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:55:03,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:55:03,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:55:03,775 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 643 [2022-11-18 20:55:03,777 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 544 transitions, 1266 flow. Second operand has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:03,777 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:55:03,777 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 643 [2022-11-18 20:55:03,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:55:04,507 INFO L130 PetriNetUnfolder]: 383/3716 cut-off events. [2022-11-18 20:55:04,508 INFO L131 PetriNetUnfolder]: For 452/456 co-relation queries the response was YES. [2022-11-18 20:55:04,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5051 conditions, 3716 events. 383/3716 cut-off events. For 452/456 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 29676 event pairs, 230 based on Foata normal form. 0/3471 useless extension candidates. Maximal degree in co-relation 4997. Up to 857 conditions per place. [2022-11-18 20:55:04,529 INFO L137 encePairwiseOnDemand]: 640/643 looper letters, 83 selfloop transitions, 2 changer transitions 0/544 dead transitions. [2022-11-18 20:55:04,529 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 544 transitions, 1437 flow [2022-11-18 20:55:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:55:04,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:55:04,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1610 transitions. [2022-11-18 20:55:04,533 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8346293416277865 [2022-11-18 20:55:04,533 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1610 transitions. [2022-11-18 20:55:04,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1610 transitions. [2022-11-18 20:55:04,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:55:04,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1610 transitions. [2022-11-18 20:55:04,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 536.6666666666666) internal successors, (1610), 3 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:04,543 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:04,543 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:04,544 INFO L175 Difference]: Start difference. First operand has 539 places, 544 transitions, 1266 flow. Second operand 3 states and 1610 transitions. [2022-11-18 20:55:04,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 544 transitions, 1437 flow [2022-11-18 20:55:04,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 544 transitions, 1433 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:55:04,554 INFO L231 Difference]: Finished difference. Result has 538 places, 543 transitions, 1264 flow [2022-11-18 20:55:04,555 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1260, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1264, PETRI_PLACES=538, PETRI_TRANSITIONS=543} [2022-11-18 20:55:04,556 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -59 predicate places. [2022-11-18 20:55:04,556 INFO L495 AbstractCegarLoop]: Abstraction has has 538 places, 543 transitions, 1264 flow [2022-11-18 20:55:04,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:04,556 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:55:04,557 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:55:04,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 20:55:04,557 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err43ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:55:04,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:55:04,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1583162521, now seen corresponding path program 1 times [2022-11-18 20:55:04,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:55:04,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293245581] [2022-11-18 20:55:04,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:55:04,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:55:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:55:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:55:04,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:55:04,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293245581] [2022-11-18 20:55:04,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293245581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:55:04,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:55:04,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:55:04,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550353383] [2022-11-18 20:55:04,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:55:04,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:55:04,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:55:04,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:55:04,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:55:04,606 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 643 [2022-11-18 20:55:04,608 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 543 transitions, 1264 flow. Second operand has 3 states, 3 states have (on average 511.6666666666667) internal successors, (1535), 3 states have internal predecessors, (1535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:04,608 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:55:04,608 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 643 [2022-11-18 20:55:04,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:55:05,280 INFO L130 PetriNetUnfolder]: 381/3708 cut-off events. [2022-11-18 20:55:05,280 INFO L131 PetriNetUnfolder]: For 450/454 co-relation queries the response was YES. [2022-11-18 20:55:05,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5035 conditions, 3708 events. 381/3708 cut-off events. For 450/454 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 29563 event pairs, 228 based on Foata normal form. 0/3469 useless extension candidates. Maximal degree in co-relation 4981. Up to 849 conditions per place. [2022-11-18 20:55:05,305 INFO L137 encePairwiseOnDemand]: 640/643 looper letters, 82 selfloop transitions, 2 changer transitions 0/543 dead transitions. [2022-11-18 20:55:05,305 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 543 transitions, 1433 flow [2022-11-18 20:55:05,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:55:05,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:55:05,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1609 transitions. [2022-11-18 20:55:05,309 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8341109383100052 [2022-11-18 20:55:05,309 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1609 transitions. [2022-11-18 20:55:05,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1609 transitions. [2022-11-18 20:55:05,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:55:05,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1609 transitions. [2022-11-18 20:55:05,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 536.3333333333334) internal successors, (1609), 3 states have internal predecessors, (1609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:05,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:05,312 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:05,312 INFO L175 Difference]: Start difference. First operand has 538 places, 543 transitions, 1264 flow. Second operand 3 states and 1609 transitions. [2022-11-18 20:55:05,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 543 transitions, 1433 flow [2022-11-18 20:55:05,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 543 transitions, 1429 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:55:05,323 INFO L231 Difference]: Finished difference. Result has 537 places, 542 transitions, 1262 flow [2022-11-18 20:55:05,324 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1258, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1262, PETRI_PLACES=537, PETRI_TRANSITIONS=542} [2022-11-18 20:55:05,324 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -60 predicate places. [2022-11-18 20:55:05,324 INFO L495 AbstractCegarLoop]: Abstraction has has 537 places, 542 transitions, 1262 flow [2022-11-18 20:55:05,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.6666666666667) internal successors, (1535), 3 states have internal predecessors, (1535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:05,325 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:55:05,325 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] [2022-11-18 20:55:05,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 20:55:05,326 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err59ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:55:05,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:55:05,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1034700296, now seen corresponding path program 1 times [2022-11-18 20:55:05,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:55:05,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703448604] [2022-11-18 20:55:05,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:55:05,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:55:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:55:05,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:55:05,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:55:05,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703448604] [2022-11-18 20:55:05,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703448604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:55:05,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:55:05,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:55:05,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681656441] [2022-11-18 20:55:05,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:55:05,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:55:05,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:55:05,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:55:05,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:55:05,372 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 643 [2022-11-18 20:55:05,373 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 542 transitions, 1262 flow. Second operand has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:05,373 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:55:05,373 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 643 [2022-11-18 20:55:05,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:55:06,229 INFO L130 PetriNetUnfolder]: 379/3700 cut-off events. [2022-11-18 20:55:06,230 INFO L131 PetriNetUnfolder]: For 448/452 co-relation queries the response was YES. [2022-11-18 20:55:06,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5019 conditions, 3700 events. 379/3700 cut-off events. For 448/452 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 29508 event pairs, 226 based on Foata normal form. 0/3467 useless extension candidates. Maximal degree in co-relation 4965. Up to 841 conditions per place. [2022-11-18 20:55:06,253 INFO L137 encePairwiseOnDemand]: 640/643 looper letters, 81 selfloop transitions, 2 changer transitions 0/542 dead transitions. [2022-11-18 20:55:06,253 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 542 transitions, 1429 flow [2022-11-18 20:55:06,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:55:06,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:55:06,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1608 transitions. [2022-11-18 20:55:06,259 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.833592534992224 [2022-11-18 20:55:06,259 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1608 transitions. [2022-11-18 20:55:06,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1608 transitions. [2022-11-18 20:55:06,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:55:06,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1608 transitions. [2022-11-18 20:55:06,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 536.0) internal successors, (1608), 3 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:06,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:06,263 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:06,263 INFO L175 Difference]: Start difference. First operand has 537 places, 542 transitions, 1262 flow. Second operand 3 states and 1608 transitions. [2022-11-18 20:55:06,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 542 transitions, 1429 flow [2022-11-18 20:55:06,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 542 transitions, 1425 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:55:06,277 INFO L231 Difference]: Finished difference. Result has 536 places, 541 transitions, 1260 flow [2022-11-18 20:55:06,278 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1256, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1260, PETRI_PLACES=536, PETRI_TRANSITIONS=541} [2022-11-18 20:55:06,279 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -61 predicate places. [2022-11-18 20:55:06,279 INFO L495 AbstractCegarLoop]: Abstraction has has 536 places, 541 transitions, 1260 flow [2022-11-18 20:55:06,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:06,279 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:55:06,280 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] [2022-11-18 20:55:06,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 20:55:06,280 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err67ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:55:06,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:55:06,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1327629061, now seen corresponding path program 1 times [2022-11-18 20:55:06,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:55:06,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425889454] [2022-11-18 20:55:06,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:55:06,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:55:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:55:06,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:55:06,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:55:06,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425889454] [2022-11-18 20:55:06,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425889454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:55:06,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:55:06,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:55:06,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507530966] [2022-11-18 20:55:06,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:55:06,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:55:06,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:55:06,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:55:06,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:55:06,342 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 643 [2022-11-18 20:55:06,344 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 541 transitions, 1260 flow. Second operand has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:06,344 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:55:06,344 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 643 [2022-11-18 20:55:06,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:55:07,217 INFO L130 PetriNetUnfolder]: 377/3692 cut-off events. [2022-11-18 20:55:07,217 INFO L131 PetriNetUnfolder]: For 446/450 co-relation queries the response was YES. [2022-11-18 20:55:07,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5003 conditions, 3692 events. 377/3692 cut-off events. For 446/450 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 29277 event pairs, 224 based on Foata normal form. 0/3465 useless extension candidates. Maximal degree in co-relation 4949. Up to 833 conditions per place. [2022-11-18 20:55:07,244 INFO L137 encePairwiseOnDemand]: 640/643 looper letters, 79 selfloop transitions, 2 changer transitions 1/541 dead transitions. [2022-11-18 20:55:07,245 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 541 transitions, 1425 flow [2022-11-18 20:55:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:55:07,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:55:07,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1607 transitions. [2022-11-18 20:55:07,250 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8330741316744427 [2022-11-18 20:55:07,250 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1607 transitions. [2022-11-18 20:55:07,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1607 transitions. [2022-11-18 20:55:07,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:55:07,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1607 transitions. [2022-11-18 20:55:07,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 535.6666666666666) internal successors, (1607), 3 states have internal predecessors, (1607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:07,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:07,257 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:07,257 INFO L175 Difference]: Start difference. First operand has 536 places, 541 transitions, 1260 flow. Second operand 3 states and 1607 transitions. [2022-11-18 20:55:07,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 541 transitions, 1425 flow [2022-11-18 20:55:07,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 541 transitions, 1421 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:55:07,271 INFO L231 Difference]: Finished difference. Result has 535 places, 540 transitions, 1258 flow [2022-11-18 20:55:07,272 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1254, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1258, PETRI_PLACES=535, PETRI_TRANSITIONS=540} [2022-11-18 20:55:07,272 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -62 predicate places. [2022-11-18 20:55:07,272 INFO L495 AbstractCegarLoop]: Abstraction has has 535 places, 540 transitions, 1258 flow [2022-11-18 20:55:07,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.0) internal successors, (1533), 3 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:07,273 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:55:07,273 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] [2022-11-18 20:55:07,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-18 20:55:07,274 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:55:07,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:55:07,274 INFO L85 PathProgramCache]: Analyzing trace with hash -597357863, now seen corresponding path program 1 times [2022-11-18 20:55:07,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:55:07,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372037621] [2022-11-18 20:55:07,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:55:07,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:55:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:55:07,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:55:07,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:55:07,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372037621] [2022-11-18 20:55:07,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372037621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:55:07,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:55:07,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:55:07,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670506281] [2022-11-18 20:55:07,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:55:07,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:55:07,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:55:07,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:55:07,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:55:07,364 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 643 [2022-11-18 20:55:07,366 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 540 transitions, 1258 flow. Second operand has 3 states, 3 states have (on average 513.6666666666666) internal successors, (1541), 3 states have internal predecessors, (1541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:07,366 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:55:07,367 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 643 [2022-11-18 20:55:07,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:55:08,102 INFO L130 PetriNetUnfolder]: 375/3684 cut-off events. [2022-11-18 20:55:08,102 INFO L131 PetriNetUnfolder]: For 444/448 co-relation queries the response was YES. [2022-11-18 20:55:08,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4987 conditions, 3684 events. 375/3684 cut-off events. For 444/448 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 29254 event pairs, 222 based on Foata normal form. 0/3463 useless extension candidates. Maximal degree in co-relation 4933. Up to 825 conditions per place. [2022-11-18 20:55:08,124 INFO L137 encePairwiseOnDemand]: 640/643 looper letters, 79 selfloop transitions, 2 changer transitions 0/540 dead transitions. [2022-11-18 20:55:08,124 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 540 transitions, 1421 flow [2022-11-18 20:55:08,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:55:08,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:55:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1606 transitions. [2022-11-18 20:55:08,128 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8325557283566615 [2022-11-18 20:55:08,128 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1606 transitions. [2022-11-18 20:55:08,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1606 transitions. [2022-11-18 20:55:08,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:55:08,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1606 transitions. [2022-11-18 20:55:08,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 535.3333333333334) internal successors, (1606), 3 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:08,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:08,134 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:08,134 INFO L175 Difference]: Start difference. First operand has 535 places, 540 transitions, 1258 flow. Second operand 3 states and 1606 transitions. [2022-11-18 20:55:08,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 540 transitions, 1421 flow [2022-11-18 20:55:08,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 540 transitions, 1417 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:55:08,143 INFO L231 Difference]: Finished difference. Result has 534 places, 539 transitions, 1256 flow [2022-11-18 20:55:08,144 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1252, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1256, PETRI_PLACES=534, PETRI_TRANSITIONS=539} [2022-11-18 20:55:08,144 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -63 predicate places. [2022-11-18 20:55:08,145 INFO L495 AbstractCegarLoop]: Abstraction has has 534 places, 539 transitions, 1256 flow [2022-11-18 20:55:08,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 513.6666666666666) internal successors, (1541), 3 states have internal predecessors, (1541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:08,145 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:55:08,146 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] [2022-11-18 20:55:08,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-18 20:55:08,146 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:55:08,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:55:08,146 INFO L85 PathProgramCache]: Analyzing trace with hash -45976944, now seen corresponding path program 1 times [2022-11-18 20:55:08,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:55:08,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417030114] [2022-11-18 20:55:08,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:55:08,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:55:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:55:08,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:55:08,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:55:08,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417030114] [2022-11-18 20:55:08,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417030114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:55:08,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:55:08,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:55:08,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750523150] [2022-11-18 20:55:08,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:55:08,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:55:08,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:55:08,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:55:08,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:55:08,209 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 643 [2022-11-18 20:55:08,210 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 539 transitions, 1256 flow. Second operand has 3 states, 3 states have (on average 515.6666666666666) internal successors, (1547), 3 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:08,210 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:55:08,210 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 643 [2022-11-18 20:55:08,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:55:08,899 INFO L130 PetriNetUnfolder]: 373/3676 cut-off events. [2022-11-18 20:55:08,899 INFO L131 PetriNetUnfolder]: For 442/446 co-relation queries the response was YES. [2022-11-18 20:55:08,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4971 conditions, 3676 events. 373/3676 cut-off events. For 442/446 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 29128 event pairs, 220 based on Foata normal form. 0/3461 useless extension candidates. Maximal degree in co-relation 4917. Up to 817 conditions per place. [2022-11-18 20:55:08,925 INFO L137 encePairwiseOnDemand]: 640/643 looper letters, 78 selfloop transitions, 2 changer transitions 0/539 dead transitions. [2022-11-18 20:55:08,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 539 transitions, 1417 flow [2022-11-18 20:55:08,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:55:08,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:55:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1605 transitions. [2022-11-18 20:55:08,930 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8320373250388803 [2022-11-18 20:55:08,930 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1605 transitions. [2022-11-18 20:55:08,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1605 transitions. [2022-11-18 20:55:08,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:55:08,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1605 transitions. [2022-11-18 20:55:08,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 535.0) internal successors, (1605), 3 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:08,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:08,936 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:08,936 INFO L175 Difference]: Start difference. First operand has 534 places, 539 transitions, 1256 flow. Second operand 3 states and 1605 transitions. [2022-11-18 20:55:08,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 539 transitions, 1417 flow [2022-11-18 20:55:08,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 539 transitions, 1413 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:55:08,947 INFO L231 Difference]: Finished difference. Result has 533 places, 538 transitions, 1254 flow [2022-11-18 20:55:08,948 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1250, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1254, PETRI_PLACES=533, PETRI_TRANSITIONS=538} [2022-11-18 20:55:08,949 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -64 predicate places. [2022-11-18 20:55:08,949 INFO L495 AbstractCegarLoop]: Abstraction has has 533 places, 538 transitions, 1254 flow [2022-11-18 20:55:08,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 515.6666666666666) internal successors, (1547), 3 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:08,949 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:55:08,950 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] [2022-11-18 20:55:08,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-18 20:55:08,950 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:55:08,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:55:08,951 INFO L85 PathProgramCache]: Analyzing trace with hash 934669415, now seen corresponding path program 1 times [2022-11-18 20:55:08,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:55:08,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186998255] [2022-11-18 20:55:08,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:55:08,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:55:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:55:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:55:09,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:55:09,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186998255] [2022-11-18 20:55:09,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186998255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:55:09,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:55:09,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:55:09,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969389028] [2022-11-18 20:55:09,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:55:09,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:55:09,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:55:09,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:55:09,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:55:09,043 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 643 [2022-11-18 20:55:09,045 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 538 transitions, 1254 flow. Second operand has 3 states, 3 states have (on average 517.6666666666666) internal successors, (1553), 3 states have internal predecessors, (1553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:09,045 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:55:09,045 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 643 [2022-11-18 20:55:09,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:55:09,770 INFO L130 PetriNetUnfolder]: 371/3668 cut-off events. [2022-11-18 20:55:09,771 INFO L131 PetriNetUnfolder]: For 440/444 co-relation queries the response was YES. [2022-11-18 20:55:09,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4955 conditions, 3668 events. 371/3668 cut-off events. For 440/444 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 28974 event pairs, 218 based on Foata normal form. 0/3459 useless extension candidates. Maximal degree in co-relation 4901. Up to 809 conditions per place. [2022-11-18 20:55:09,797 INFO L137 encePairwiseOnDemand]: 640/643 looper letters, 77 selfloop transitions, 2 changer transitions 0/538 dead transitions. [2022-11-18 20:55:09,797 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 538 transitions, 1413 flow [2022-11-18 20:55:09,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:55:09,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:55:09,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1604 transitions. [2022-11-18 20:55:09,800 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.831518921721099 [2022-11-18 20:55:09,800 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1604 transitions. [2022-11-18 20:55:09,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1604 transitions. [2022-11-18 20:55:09,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:55:09,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1604 transitions. [2022-11-18 20:55:09,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 534.6666666666666) internal successors, (1604), 3 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:09,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:09,806 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:09,806 INFO L175 Difference]: Start difference. First operand has 533 places, 538 transitions, 1254 flow. Second operand 3 states and 1604 transitions. [2022-11-18 20:55:09,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 538 transitions, 1413 flow [2022-11-18 20:55:09,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 538 transitions, 1409 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:55:09,817 INFO L231 Difference]: Finished difference. Result has 532 places, 537 transitions, 1252 flow [2022-11-18 20:55:09,817 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1248, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1252, PETRI_PLACES=532, PETRI_TRANSITIONS=537} [2022-11-18 20:55:09,818 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -65 predicate places. [2022-11-18 20:55:09,818 INFO L495 AbstractCegarLoop]: Abstraction has has 532 places, 537 transitions, 1252 flow [2022-11-18 20:55:09,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 517.6666666666666) internal successors, (1553), 3 states have internal predecessors, (1553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:09,818 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:55:09,818 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] [2022-11-18 20:55:09,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-18 20:55:09,819 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err35ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2022-11-18 20:55:09,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:55:09,819 INFO L85 PathProgramCache]: Analyzing trace with hash 476905566, now seen corresponding path program 1 times [2022-11-18 20:55:09,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:55:09,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634405376] [2022-11-18 20:55:09,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:55:09,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:55:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:55:09,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:55:09,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:55:09,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634405376] [2022-11-18 20:55:09,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634405376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:55:09,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:55:09,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:55:09,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289310227] [2022-11-18 20:55:09,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:55:09,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:55:09,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:55:09,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:55:09,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:55:09,909 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 643 [2022-11-18 20:55:09,910 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 537 transitions, 1252 flow. Second operand has 3 states, 3 states have (on average 519.6666666666666) internal successors, (1559), 3 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:09,910 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:55:09,911 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 643 [2022-11-18 20:55:09,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:55:10,565 INFO L130 PetriNetUnfolder]: 369/3660 cut-off events. [2022-11-18 20:55:10,565 INFO L131 PetriNetUnfolder]: For 438/442 co-relation queries the response was YES. [2022-11-18 20:55:10,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4939 conditions, 3660 events. 369/3660 cut-off events. For 438/442 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 28844 event pairs, 216 based on Foata normal form. 0/3457 useless extension candidates. Maximal degree in co-relation 4885. Up to 801 conditions per place. [2022-11-18 20:55:10,588 INFO L137 encePairwiseOnDemand]: 640/643 looper letters, 0 selfloop transitions, 0 changer transitions 537/537 dead transitions. [2022-11-18 20:55:10,588 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 537 transitions, 1409 flow [2022-11-18 20:55:10,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:55:10,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:55:10,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1603 transitions. [2022-11-18 20:55:10,593 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8310005184033178 [2022-11-18 20:55:10,593 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1603 transitions. [2022-11-18 20:55:10,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1603 transitions. [2022-11-18 20:55:10,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:55:10,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1603 transitions. [2022-11-18 20:55:10,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 534.3333333333334) internal successors, (1603), 3 states have internal predecessors, (1603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:10,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:10,599 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:10,599 INFO L175 Difference]: Start difference. First operand has 532 places, 537 transitions, 1252 flow. Second operand 3 states and 1603 transitions. [2022-11-18 20:55:10,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 537 transitions, 1409 flow [2022-11-18 20:55:10,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 537 transitions, 1405 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:55:10,608 INFO L231 Difference]: Finished difference. Result has 531 places, 0 transitions, 0 flow [2022-11-18 20:55:10,608 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=1246, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=531, PETRI_TRANSITIONS=0} [2022-11-18 20:55:10,609 INFO L288 CegarLoopForPetriNet]: 597 programPoint places, -66 predicate places. [2022-11-18 20:55:10,609 INFO L495 AbstractCegarLoop]: Abstraction has has 531 places, 0 transitions, 0 flow [2022-11-18 20:55:10,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 519.6666666666666) internal successors, (1559), 3 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:55:10,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (163 of 164 remaining) [2022-11-18 20:55:10,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (162 of 164 remaining) [2022-11-18 20:55:10,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (161 of 164 remaining) [2022-11-18 20:55:10,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (160 of 164 remaining) [2022-11-18 20:55:10,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (159 of 164 remaining) [2022-11-18 20:55:10,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (158 of 164 remaining) [2022-11-18 20:55:10,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (157 of 164 remaining) [2022-11-18 20:55:10,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (156 of 164 remaining) [2022-11-18 20:55:10,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (155 of 164 remaining) [2022-11-18 20:55:10,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (154 of 164 remaining) [2022-11-18 20:55:10,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (153 of 164 remaining) [2022-11-18 20:55:10,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (152 of 164 remaining) [2022-11-18 20:55:10,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (151 of 164 remaining) [2022-11-18 20:55:10,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (150 of 164 remaining) [2022-11-18 20:55:10,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (149 of 164 remaining) [2022-11-18 20:55:10,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (148 of 164 remaining) [2022-11-18 20:55:10,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (147 of 164 remaining) [2022-11-18 20:55:10,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (146 of 164 remaining) [2022-11-18 20:55:10,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (145 of 164 remaining) [2022-11-18 20:55:10,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err53ASSERT_VIOLATIONDATA_RACE (144 of 164 remaining) [2022-11-18 20:55:10,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err60ASSERT_VIOLATIONDATA_RACE (143 of 164 remaining) [2022-11-18 20:55:10,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (142 of 164 remaining) [2022-11-18 20:55:10,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (141 of 164 remaining) [2022-11-18 20:55:10,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err61ASSERT_VIOLATIONDATA_RACE (140 of 164 remaining) [2022-11-18 20:55:10,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err54ASSERT_VIOLATIONDATA_RACE (139 of 164 remaining) [2022-11-18 20:55:10,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (138 of 164 remaining) [2022-11-18 20:55:10,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (137 of 164 remaining) [2022-11-18 20:55:10,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err55ASSERT_VIOLATIONDATA_RACE (136 of 164 remaining) [2022-11-18 20:55:10,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (135 of 164 remaining) [2022-11-18 20:55:10,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (134 of 164 remaining) [2022-11-18 20:55:10,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err62ASSERT_VIOLATIONDATA_RACE (133 of 164 remaining) [2022-11-18 20:55:10,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (132 of 164 remaining) [2022-11-18 20:55:10,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err63ASSERT_VIOLATIONDATA_RACE (131 of 164 remaining) [2022-11-18 20:55:10,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (130 of 164 remaining) [2022-11-18 20:55:10,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err56ASSERT_VIOLATIONDATA_RACE (129 of 164 remaining) [2022-11-18 20:55:10,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (128 of 164 remaining) [2022-11-18 20:55:10,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (127 of 164 remaining) [2022-11-18 20:55:10,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err57ASSERT_VIOLATIONDATA_RACE (126 of 164 remaining) [2022-11-18 20:55:10,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err64ASSERT_VIOLATIONDATA_RACE (125 of 164 remaining) [2022-11-18 20:55:10,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (124 of 164 remaining) [2022-11-18 20:55:10,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err65ASSERT_VIOLATIONDATA_RACE (123 of 164 remaining) [2022-11-18 20:55:10,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (122 of 164 remaining) [2022-11-18 20:55:10,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (121 of 164 remaining) [2022-11-18 20:55:10,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err58ASSERT_VIOLATIONDATA_RACE (120 of 164 remaining) [2022-11-18 20:55:10,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (119 of 164 remaining) [2022-11-18 20:55:10,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err66ASSERT_VIOLATIONDATA_RACE (118 of 164 remaining) [2022-11-18 20:55:10,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err59ASSERT_VIOLATIONDATA_RACE (117 of 164 remaining) [2022-11-18 20:55:10,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (116 of 164 remaining) [2022-11-18 20:55:10,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err67ASSERT_VIOLATIONDATA_RACE (115 of 164 remaining) [2022-11-18 20:55:10,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (114 of 164 remaining) [2022-11-18 20:55:10,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (113 of 164 remaining) [2022-11-18 20:55:10,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (112 of 164 remaining) [2022-11-18 20:55:10,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (111 of 164 remaining) [2022-11-18 20:55:10,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (110 of 164 remaining) [2022-11-18 20:55:10,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (109 of 164 remaining) [2022-11-18 20:55:10,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (108 of 164 remaining) [2022-11-18 20:55:10,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (107 of 164 remaining) [2022-11-18 20:55:10,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (106 of 164 remaining) [2022-11-18 20:55:10,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (105 of 164 remaining) [2022-11-18 20:55:10,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (104 of 164 remaining) [2022-11-18 20:55:10,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (103 of 164 remaining) [2022-11-18 20:55:10,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (102 of 164 remaining) [2022-11-18 20:55:10,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (101 of 164 remaining) [2022-11-18 20:55:10,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (100 of 164 remaining) [2022-11-18 20:55:10,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (99 of 164 remaining) [2022-11-18 20:55:10,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (98 of 164 remaining) [2022-11-18 20:55:10,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (97 of 164 remaining) [2022-11-18 20:55:10,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (96 of 164 remaining) [2022-11-18 20:55:10,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (95 of 164 remaining) [2022-11-18 20:55:10,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (94 of 164 remaining) [2022-11-18 20:55:10,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (93 of 164 remaining) [2022-11-18 20:55:10,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (92 of 164 remaining) [2022-11-18 20:55:10,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (91 of 164 remaining) [2022-11-18 20:55:10,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (90 of 164 remaining) [2022-11-18 20:55:10,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (89 of 164 remaining) [2022-11-18 20:55:10,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (88 of 164 remaining) [2022-11-18 20:55:10,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (87 of 164 remaining) [2022-11-18 20:55:10,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (86 of 164 remaining) [2022-11-18 20:55:10,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (85 of 164 remaining) [2022-11-18 20:55:10,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (84 of 164 remaining) [2022-11-18 20:55:10,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (83 of 164 remaining) [2022-11-18 20:55:10,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (82 of 164 remaining) [2022-11-18 20:55:10,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (81 of 164 remaining) [2022-11-18 20:55:10,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (80 of 164 remaining) [2022-11-18 20:55:10,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (79 of 164 remaining) [2022-11-18 20:55:10,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (78 of 164 remaining) [2022-11-18 20:55:10,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (77 of 164 remaining) [2022-11-18 20:55:10,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (76 of 164 remaining) [2022-11-18 20:55:10,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (75 of 164 remaining) [2022-11-18 20:55:10,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (74 of 164 remaining) [2022-11-18 20:55:10,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (73 of 164 remaining) [2022-11-18 20:55:10,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (72 of 164 remaining) [2022-11-18 20:55:10,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (71 of 164 remaining) [2022-11-18 20:55:10,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (70 of 164 remaining) [2022-11-18 20:55:10,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (69 of 164 remaining) [2022-11-18 20:55:10,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (68 of 164 remaining) [2022-11-18 20:55:10,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (67 of 164 remaining) [2022-11-18 20:55:10,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (66 of 164 remaining) [2022-11-18 20:55:10,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (65 of 164 remaining) [2022-11-18 20:55:10,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (64 of 164 remaining) [2022-11-18 20:55:10,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (63 of 164 remaining) [2022-11-18 20:55:10,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (62 of 164 remaining) [2022-11-18 20:55:10,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (61 of 164 remaining) [2022-11-18 20:55:10,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (60 of 164 remaining) [2022-11-18 20:55:10,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (59 of 164 remaining) [2022-11-18 20:55:10,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (58 of 164 remaining) [2022-11-18 20:55:10,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (57 of 164 remaining) [2022-11-18 20:55:10,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err53ASSERT_VIOLATIONDATA_RACE (56 of 164 remaining) [2022-11-18 20:55:10,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err60ASSERT_VIOLATIONDATA_RACE (55 of 164 remaining) [2022-11-18 20:55:10,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (54 of 164 remaining) [2022-11-18 20:55:10,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (53 of 164 remaining) [2022-11-18 20:55:10,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err61ASSERT_VIOLATIONDATA_RACE (52 of 164 remaining) [2022-11-18 20:55:10,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err54ASSERT_VIOLATIONDATA_RACE (51 of 164 remaining) [2022-11-18 20:55:10,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (50 of 164 remaining) [2022-11-18 20:55:10,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (49 of 164 remaining) [2022-11-18 20:55:10,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err55ASSERT_VIOLATIONDATA_RACE (48 of 164 remaining) [2022-11-18 20:55:10,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 164 remaining) [2022-11-18 20:55:10,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (46 of 164 remaining) [2022-11-18 20:55:10,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err62ASSERT_VIOLATIONDATA_RACE (45 of 164 remaining) [2022-11-18 20:55:10,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (44 of 164 remaining) [2022-11-18 20:55:10,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err63ASSERT_VIOLATIONDATA_RACE (43 of 164 remaining) [2022-11-18 20:55:10,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (42 of 164 remaining) [2022-11-18 20:55:10,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err56ASSERT_VIOLATIONDATA_RACE (41 of 164 remaining) [2022-11-18 20:55:10,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (40 of 164 remaining) [2022-11-18 20:55:10,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (39 of 164 remaining) [2022-11-18 20:55:10,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err57ASSERT_VIOLATIONDATA_RACE (38 of 164 remaining) [2022-11-18 20:55:10,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err64ASSERT_VIOLATIONDATA_RACE (37 of 164 remaining) [2022-11-18 20:55:10,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (36 of 164 remaining) [2022-11-18 20:55:10,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err65ASSERT_VIOLATIONDATA_RACE (35 of 164 remaining) [2022-11-18 20:55:10,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (34 of 164 remaining) [2022-11-18 20:55:10,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (33 of 164 remaining) [2022-11-18 20:55:10,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err58ASSERT_VIOLATIONDATA_RACE (32 of 164 remaining) [2022-11-18 20:55:10,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (31 of 164 remaining) [2022-11-18 20:55:10,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err66ASSERT_VIOLATIONDATA_RACE (30 of 164 remaining) [2022-11-18 20:55:10,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err59ASSERT_VIOLATIONDATA_RACE (29 of 164 remaining) [2022-11-18 20:55:10,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (28 of 164 remaining) [2022-11-18 20:55:10,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err67ASSERT_VIOLATIONDATA_RACE (27 of 164 remaining) [2022-11-18 20:55:10,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 164 remaining) [2022-11-18 20:55:10,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (25 of 164 remaining) [2022-11-18 20:55:10,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (24 of 164 remaining) [2022-11-18 20:55:10,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 164 remaining) [2022-11-18 20:55:10,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 164 remaining) [2022-11-18 20:55:10,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (21 of 164 remaining) [2022-11-18 20:55:10,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (20 of 164 remaining) [2022-11-18 20:55:10,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 164 remaining) [2022-11-18 20:55:10,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 164 remaining) [2022-11-18 20:55:10,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (17 of 164 remaining) [2022-11-18 20:55:10,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (16 of 164 remaining) [2022-11-18 20:55:10,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (15 of 164 remaining) [2022-11-18 20:55:10,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (14 of 164 remaining) [2022-11-18 20:55:10,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (13 of 164 remaining) [2022-11-18 20:55:10,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (12 of 164 remaining) [2022-11-18 20:55:10,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (11 of 164 remaining) [2022-11-18 20:55:10,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (10 of 164 remaining) [2022-11-18 20:55:10,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (9 of 164 remaining) [2022-11-18 20:55:10,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (8 of 164 remaining) [2022-11-18 20:55:10,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (7 of 164 remaining) [2022-11-18 20:55:10,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (6 of 164 remaining) [2022-11-18 20:55:10,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (5 of 164 remaining) [2022-11-18 20:55:10,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (4 of 164 remaining) [2022-11-18 20:55:10,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (3 of 164 remaining) [2022-11-18 20:55:10,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (2 of 164 remaining) [2022-11-18 20:55:10,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (1 of 164 remaining) [2022-11-18 20:55:10,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (0 of 164 remaining) [2022-11-18 20:55:10,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-18 20:55:10,645 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] [2022-11-18 20:55:10,652 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:55:10,652 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:55:10,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:55:10 BasicIcfg [2022-11-18 20:55:10,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:55:10,658 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:55:10,658 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:55:10,658 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:55:10,659 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:54:09" (3/4) ... [2022-11-18 20:55:10,662 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:55:10,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 20:55:10,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 20:55:10,672 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-18 20:55:10,673 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 20:55:10,673 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:55:10,673 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:55:10,710 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:55:10,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:55:10,711 INFO L158 Benchmark]: Toolchain (without parser) took 62762.21ms. Allocated memory was 144.7MB in the beginning and 12.4GB in the end (delta: 12.3GB). Free memory was 109.6MB in the beginning and 10.0GB in the end (delta: -9.9GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2022-11-18 20:55:10,711 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 144.7MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:55:10,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.63ms. Allocated memory is still 144.7MB. Free memory was 109.4MB in the beginning and 116.6MB in the end (delta: -7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 20:55:10,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.46ms. Allocated memory is still 144.7MB. Free memory was 116.6MB in the beginning and 112.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:55:10,712 INFO L158 Benchmark]: Boogie Preprocessor took 50.76ms. Allocated memory is still 144.7MB. Free memory was 112.5MB in the beginning and 109.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:55:10,712 INFO L158 Benchmark]: RCFGBuilder took 1100.84ms. Allocated memory is still 144.7MB. Free memory was 109.2MB in the beginning and 114.0MB in the end (delta: -4.8MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2022-11-18 20:55:10,713 INFO L158 Benchmark]: TraceAbstraction took 60984.13ms. Allocated memory was 144.7MB in the beginning and 12.4GB in the end (delta: 12.3GB). Free memory was 112.7MB in the beginning and 10.1GB in the end (delta: -9.9GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2022-11-18 20:55:10,713 INFO L158 Benchmark]: Witness Printer took 52.00ms. Allocated memory is still 12.4GB. Free memory was 10.1GB in the beginning and 10.0GB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:55:10,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 144.7MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.63ms. Allocated memory is still 144.7MB. Free memory was 109.4MB in the beginning and 116.6MB in the end (delta: -7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.46ms. Allocated memory is still 144.7MB. Free memory was 116.6MB in the beginning and 112.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.76ms. Allocated memory is still 144.7MB. Free memory was 112.5MB in the beginning and 109.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1100.84ms. Allocated memory is still 144.7MB. Free memory was 109.2MB in the beginning and 114.0MB in the end (delta: -4.8MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * TraceAbstraction took 60984.13ms. Allocated memory was 144.7MB in the beginning and 12.4GB in the end (delta: 12.3GB). Free memory was 112.7MB in the beginning and 10.1GB in the end (delta: -9.9GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * Witness Printer took 52.00ms. Allocated memory is still 12.4GB. Free memory was 10.1GB in the beginning and 10.0GB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 76]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: 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: 77]: 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: 77]: 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: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: 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: 92]: 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: 88]: 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: 78]: 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: 93]: 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: 93]: 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: 78]: 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: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: 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: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - 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: 70]: 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: 70]: 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: 72]: 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: 73]: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1074 locations, 164 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: 60.8s, OverallIterations: 26, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 56.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 554 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 554 mSDsluCounter, 1489 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 716 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3684 IncrementalHoareTripleChecker+Invalid, 4400 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 716 mSolverCounterUnsat, 1383 mSDtfsCounter, 3684 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1364occurred in iteration=17, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 2792 NumberOfCodeBlocks, 2792 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2766 ConstructedInterpolants, 0 QuantifiedInterpolants, 3773 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 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 86 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 20:55:10,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb023ed-d815-46ef-bc8c-1fa06fc942e6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE