./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8 --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 4755329f7559a8be1422f8772c1ed30abe185c2742a237de140cc196ec4e9010 --- 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-2329fc7 [2022-12-13 20:02:40,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:02:40,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:02:40,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:02:40,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:02:40,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:02:40,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:02:40,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:02:40,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:02:40,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:02:40,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:02:40,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:02:40,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:02:40,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:02:40,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:02:40,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:02:40,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:02:40,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:02:40,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:02:40,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:02:40,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:02:40,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:02:40,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:02:40,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:02:40,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:02:40,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:02:40,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:02:40,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:02:40,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:02:40,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:02:40,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:02:40,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:02:40,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:02:40,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:02:40,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:02:40,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:02:40,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:02:40,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:02:40,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:02:40,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:02:40,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:02:40,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 20:02:40,461 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:02:40,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:02:40,462 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:02:40,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:02:40,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:02:40,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:02:40,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:02:40,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:02:40,463 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:02:40,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:02:40,464 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:02:40,464 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:02:40,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:02:40,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:02:40,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:02:40,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:02:40,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:02:40,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:02:40,464 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 20:02:40,465 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:02:40,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:02:40,465 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:02:40,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:02:40,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:02:40,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:02:40,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:02:40,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:02:40,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:02:40,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:02:40,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:02:40,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:02:40,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:02:40,466 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:02:40,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:02:40,466 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:02:40,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:02:40,467 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:02:40,467 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4755329f7559a8be1422f8772c1ed30abe185c2742a237de140cc196ec4e9010 [2022-12-13 20:02:40,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:02:40,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:02:40,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:02:40,654 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:02:40,655 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:02:40,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c [2022-12-13 20:02:43,202 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:02:43,355 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:02:43,355 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/sv-benchmarks/c/weaver/unroll-cond-4.wvr.c [2022-12-13 20:02:43,360 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8/data/9e092721d/a892d4cd68a04120a82e6340fa4a9eaf/FLAG5f738d4d8 [2022-12-13 20:02:43,775 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8/data/9e092721d/a892d4cd68a04120a82e6340fa4a9eaf [2022-12-13 20:02:43,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:02:43,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:02:43,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:02:43,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:02:43,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:02:43,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:02:43" (1/1) ... [2022-12-13 20:02:43,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab3e16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:43, skipping insertion in model container [2022-12-13 20:02:43,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:02:43" (1/1) ... [2022-12-13 20:02:43,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:02:43,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:02:43,951 WARN L237 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_32af18e6-4d33-4c00-9881-7dee20eb2680/sv-benchmarks/c/weaver/unroll-cond-4.wvr.c[2808,2821] [2022-12-13 20:02:43,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:02:43,965 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:02:43,999 WARN L237 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_32af18e6-4d33-4c00-9881-7dee20eb2680/sv-benchmarks/c/weaver/unroll-cond-4.wvr.c[2808,2821] [2022-12-13 20:02:44,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:02:44,016 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:02:44,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:44 WrapperNode [2022-12-13 20:02:44,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:02:44,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:02:44,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:02:44,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:02:44,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:44" (1/1) ... [2022-12-13 20:02:44,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:44" (1/1) ... [2022-12-13 20:02:44,069 INFO L138 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 414 [2022-12-13 20:02:44,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:02:44,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:02:44,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:02:44,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:02:44,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:44" (1/1) ... [2022-12-13 20:02:44,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:44" (1/1) ... [2022-12-13 20:02:44,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:44" (1/1) ... [2022-12-13 20:02:44,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:44" (1/1) ... [2022-12-13 20:02:44,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:44" (1/1) ... [2022-12-13 20:02:44,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:44" (1/1) ... [2022-12-13 20:02:44,111 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:44" (1/1) ... [2022-12-13 20:02:44,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:44" (1/1) ... [2022-12-13 20:02:44,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:02:44,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:02:44,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:02:44,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:02:44,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:44" (1/1) ... [2022-12-13 20:02:44,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:02:44,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:02:44,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:02:44,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:02:44,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:02:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 20:02:44,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 20:02:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 20:02:44,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 20:02:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:02:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:02:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:02:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 20:02:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:02:44,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:02:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:02:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:02:44,187 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 20:02:44,282 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:02:44,285 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:02:44,817 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:02:44,828 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:02:44,828 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 20:02:44,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:02:44 BoogieIcfgContainer [2022-12-13 20:02:44,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:02:44,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:02:44,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:02:44,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:02:44,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:02:43" (1/3) ... [2022-12-13 20:02:44,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443508ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:02:44, skipping insertion in model container [2022-12-13 20:02:44,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:02:44" (2/3) ... [2022-12-13 20:02:44,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443508ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:02:44, skipping insertion in model container [2022-12-13 20:02:44,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:02:44" (3/3) ... [2022-12-13 20:02:44,840 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2022-12-13 20:02:44,849 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 20:02:44,860 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:02:44,860 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2022-12-13 20:02:44,860 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 20:02:45,004 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 20:02:45,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 526 places, 548 transitions, 1112 flow [2022-12-13 20:02:45,171 INFO L130 PetriNetUnfolder]: 29/546 cut-off events. [2022-12-13 20:02:45,172 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 20:02:45,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 546 events. 29/546 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1508 event pairs, 0 based on Foata normal form. 0/446 useless extension candidates. Maximal degree in co-relation 412. Up to 2 conditions per place. [2022-12-13 20:02:45,181 INFO L82 GeneralOperation]: Start removeDead. Operand has 526 places, 548 transitions, 1112 flow [2022-12-13 20:02:45,188 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 507 places, 528 transitions, 1068 flow [2022-12-13 20:02:45,190 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 20:02:45,198 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 507 places, 528 transitions, 1068 flow [2022-12-13 20:02:45,200 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 507 places, 528 transitions, 1068 flow [2022-12-13 20:02:45,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 507 places, 528 transitions, 1068 flow [2022-12-13 20:02:45,279 INFO L130 PetriNetUnfolder]: 28/528 cut-off events. [2022-12-13 20:02:45,279 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 20:02:45,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 528 events. 28/528 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1451 event pairs, 0 based on Foata normal form. 0/430 useless extension candidates. Maximal degree in co-relation 412. Up to 2 conditions per place. [2022-12-13 20:02:45,295 INFO L119 LiptonReduction]: Number of co-enabled transitions 50436 [2022-12-13 20:02:51,967 INFO L134 LiptonReduction]: Checked pairs total: 170532 [2022-12-13 20:02:51,967 INFO L136 LiptonReduction]: Total number of compositions: 524 [2022-12-13 20:02:51,979 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:02:51,983 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;@3816e26f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:02:51,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 134 error locations. [2022-12-13 20:02:51,985 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 20:02:51,985 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:02:51,985 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:02:51,985 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 20:02:51,986 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-12-13 20:02:51,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:51,989 INFO L85 PathProgramCache]: Analyzing trace with hash 2162, now seen corresponding path program 1 times [2022-12-13 20:02:51,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:02:51,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933264180] [2022-12-13 20:02:51,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:02:51,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:02:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:02:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:02:52,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:02:52,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933264180] [2022-12-13 20:02:52,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933264180] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:02:52,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:02:52,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 20:02:52,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347330330] [2022-12-13 20:02:52,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:02:52,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:02:52,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:02:52,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:02:52,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:02:52,089 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 528 out of 1072 [2022-12-13 20:02:52,092 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 191 transitions, 394 flow. Second operand has 2 states, 2 states have (on average 528.5) internal successors, (1057), 2 states have internal predecessors, (1057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:52,092 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:02:52,092 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 528 of 1072 [2022-12-13 20:02:52,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:02:52,539 INFO L130 PetriNetUnfolder]: 1707/4008 cut-off events. [2022-12-13 20:02:52,539 INFO L131 PetriNetUnfolder]: For 156/156 co-relation queries the response was YES. [2022-12-13 20:02:52,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6786 conditions, 4008 events. 1707/4008 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 29983 event pairs, 1313 based on Foata normal form. 446/3971 useless extension candidates. Maximal degree in co-relation 6094. Up to 2705 conditions per place. [2022-12-13 20:02:52,555 INFO L137 encePairwiseOnDemand]: 1026/1072 looper letters, 72 selfloop transitions, 0 changer transitions 1/145 dead transitions. [2022-12-13 20:02:52,555 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 145 transitions, 448 flow [2022-12-13 20:02:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:02:52,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 20:02:52,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1175 transitions. [2022-12-13 20:02:52,567 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5480410447761194 [2022-12-13 20:02:52,568 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1175 transitions. [2022-12-13 20:02:52,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1175 transitions. [2022-12-13 20:02:52,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:02:52,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1175 transitions. [2022-12-13 20:02:52,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 587.5) internal successors, (1175), 2 states have internal predecessors, (1175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:52,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1072.0) internal successors, (3216), 3 states have internal predecessors, (3216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:52,587 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1072.0) internal successors, (3216), 3 states have internal predecessors, (3216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:52,588 INFO L175 Difference]: Start difference. First operand has 182 places, 191 transitions, 394 flow. Second operand 2 states and 1175 transitions. [2022-12-13 20:02:52,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 145 transitions, 448 flow [2022-12-13 20:02:52,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 145 transitions, 440 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 20:02:52,595 INFO L231 Difference]: Finished difference. Result has 139 places, 144 transitions, 291 flow [2022-12-13 20:02:52,596 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1072, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=291, PETRI_PLACES=139, PETRI_TRANSITIONS=144} [2022-12-13 20:02:52,599 INFO L288 CegarLoopForPetriNet]: 182 programPoint places, -43 predicate places. [2022-12-13 20:02:52,599 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 144 transitions, 291 flow [2022-12-13 20:02:52,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 528.5) internal successors, (1057), 2 states have internal predecessors, (1057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:52,600 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:02:52,600 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 20:02:52,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:02:52,601 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-12-13 20:02:52,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:52,601 INFO L85 PathProgramCache]: Analyzing trace with hash -440041146, now seen corresponding path program 1 times [2022-12-13 20:02:52,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:02:52,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892368589] [2022-12-13 20:02:52,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:02:52,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:02:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:02:52,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:02:52,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:02:52,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892368589] [2022-12-13 20:02:52,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892368589] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:02:52,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:02:52,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:02:52,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014567713] [2022-12-13 20:02:52,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:02:52,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:02:52,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:02:52,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:02:52,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:02:52,697 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1072 [2022-12-13 20:02:52,701 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 144 transitions, 291 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) [2022-12-13 20:02:52,701 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:02:52,701 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1072 [2022-12-13 20:02:52,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:02:53,093 INFO L130 PetriNetUnfolder]: 1872/4257 cut-off events. [2022-12-13 20:02:53,093 INFO L131 PetriNetUnfolder]: For 53/64 co-relation queries the response was YES. [2022-12-13 20:02:53,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7331 conditions, 4257 events. 1872/4257 cut-off events. For 53/64 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 30744 event pairs, 936 based on Foata normal form. 1/3907 useless extension candidates. Maximal degree in co-relation 7328. Up to 3053 conditions per place. [2022-12-13 20:02:53,108 INFO L137 encePairwiseOnDemand]: 1065/1072 looper letters, 80 selfloop transitions, 2 changer transitions 0/144 dead transitions. [2022-12-13 20:02:53,108 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 144 transitions, 456 flow [2022-12-13 20:02:53,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:02:53,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 20:02:53,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1623 transitions. [2022-12-13 20:02:53,111 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5046641791044776 [2022-12-13 20:02:53,111 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1623 transitions. [2022-12-13 20:02:53,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1623 transitions. [2022-12-13 20:02:53,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:02:53,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1623 transitions. [2022-12-13 20:02:53,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 541.0) internal successors, (1623), 3 states have internal predecessors, (1623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:53,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1072.0) internal successors, (4288), 4 states have internal predecessors, (4288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:53,120 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1072.0) internal successors, (4288), 4 states have internal predecessors, (4288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:53,120 INFO L175 Difference]: Start difference. First operand has 139 places, 144 transitions, 291 flow. Second operand 3 states and 1623 transitions. [2022-12-13 20:02:53,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 144 transitions, 456 flow [2022-12-13 20:02:53,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 144 transitions, 456 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 20:02:53,122 INFO L231 Difference]: Finished difference. Result has 136 places, 141 transitions, 295 flow [2022-12-13 20:02:53,122 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1072, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=295, PETRI_PLACES=136, PETRI_TRANSITIONS=141} [2022-12-13 20:02:53,123 INFO L288 CegarLoopForPetriNet]: 182 programPoint places, -46 predicate places. [2022-12-13 20:02:53,123 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 141 transitions, 295 flow [2022-12-13 20:02:53,124 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) [2022-12-13 20:02:53,124 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:02:53,124 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:02:53,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:02:53,124 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-12-13 20:02:53,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:53,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1971921237, now seen corresponding path program 1 times [2022-12-13 20:02:53,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:02:53,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704151947] [2022-12-13 20:02:53,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:02:53,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:02:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:02:53,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:02:53,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:02:53,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704151947] [2022-12-13 20:02:53,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704151947] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:02:53,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:02:53,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:02:53,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006461911] [2022-12-13 20:02:53,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:02:53,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:02:53,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:02:53,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:02:53,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:02:53,199 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 1072 [2022-12-13 20:02:53,201 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 141 transitions, 295 flow. Second operand has 3 states, 3 states have (on average 499.0) internal successors, (1497), 3 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:53,201 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:02:53,201 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 1072 [2022-12-13 20:02:53,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:02:53,598 INFO L130 PetriNetUnfolder]: 1641/3975 cut-off events. [2022-12-13 20:02:53,598 INFO L131 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2022-12-13 20:02:53,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6774 conditions, 3975 events. 1641/3975 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 29563 event pairs, 1392 based on Foata normal form. 0/3566 useless extension candidates. Maximal degree in co-relation 6770. Up to 2726 conditions per place. [2022-12-13 20:02:53,612 INFO L137 encePairwiseOnDemand]: 1063/1072 looper letters, 72 selfloop transitions, 1 changer transitions 0/133 dead transitions. [2022-12-13 20:02:53,613 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 133 transitions, 425 flow [2022-12-13 20:02:53,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:02:53,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 20:02:53,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1572 transitions. [2022-12-13 20:02:53,619 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48880597014925375 [2022-12-13 20:02:53,619 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1572 transitions. [2022-12-13 20:02:53,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1572 transitions. [2022-12-13 20:02:53,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:02:53,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1572 transitions. [2022-12-13 20:02:53,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 524.0) internal successors, (1572), 3 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:53,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1072.0) internal successors, (4288), 4 states have internal predecessors, (4288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:53,627 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1072.0) internal successors, (4288), 4 states have internal predecessors, (4288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:53,627 INFO L175 Difference]: Start difference. First operand has 136 places, 141 transitions, 295 flow. Second operand 3 states and 1572 transitions. [2022-12-13 20:02:53,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 133 transitions, 425 flow [2022-12-13 20:02:53,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 133 transitions, 425 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 20:02:53,629 INFO L231 Difference]: Finished difference. Result has 130 places, 133 transitions, 281 flow [2022-12-13 20:02:53,629 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1072, PETRI_DIFFERENCE_MINUEND_FLOW=279, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=281, PETRI_PLACES=130, PETRI_TRANSITIONS=133} [2022-12-13 20:02:53,630 INFO L288 CegarLoopForPetriNet]: 182 programPoint places, -52 predicate places. [2022-12-13 20:02:53,630 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 133 transitions, 281 flow [2022-12-13 20:02:53,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 499.0) internal successors, (1497), 3 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:53,631 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:02:53,631 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:02:53,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:02:53,631 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-12-13 20:02:53,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:53,632 INFO L85 PathProgramCache]: Analyzing trace with hash -934861665, now seen corresponding path program 1 times [2022-12-13 20:02:53,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:02:53,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393530966] [2022-12-13 20:02:53,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:02:53,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:02:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:02:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:02:53,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:02:53,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393530966] [2022-12-13 20:02:53,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393530966] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:02:53,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:02:53,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:02:53,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234606974] [2022-12-13 20:02:53,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:02:53,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:02:53,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:02:53,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:02:53,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:02:53,696 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 503 out of 1072 [2022-12-13 20:02:53,699 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 133 transitions, 281 flow. Second operand has 3 states, 3 states have (on average 505.6666666666667) internal successors, (1517), 3 states have internal predecessors, (1517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:53,699 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:02:53,699 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 503 of 1072 [2022-12-13 20:02:53,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:02:54,116 INFO L130 PetriNetUnfolder]: 2098/4544 cut-off events. [2022-12-13 20:02:54,117 INFO L131 PetriNetUnfolder]: For 58/58 co-relation queries the response was YES. [2022-12-13 20:02:54,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8019 conditions, 4544 events. 2098/4544 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 32177 event pairs, 452 based on Foata normal form. 0/3980 useless extension candidates. Maximal degree in co-relation 8014. Up to 2838 conditions per place. [2022-12-13 20:02:54,133 INFO L137 encePairwiseOnDemand]: 1059/1072 looper letters, 100 selfloop transitions, 5 changer transitions 0/158 dead transitions. [2022-12-13 20:02:54,133 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 158 transitions, 543 flow [2022-12-13 20:02:54,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:02:54,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 20:02:54,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1622 transitions. [2022-12-13 20:02:54,138 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5043532338308457 [2022-12-13 20:02:54,138 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1622 transitions. [2022-12-13 20:02:54,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1622 transitions. [2022-12-13 20:02:54,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:02:54,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1622 transitions. [2022-12-13 20:02:54,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 540.6666666666666) internal successors, (1622), 3 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:54,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1072.0) internal successors, (4288), 4 states have internal predecessors, (4288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:54,150 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1072.0) internal successors, (4288), 4 states have internal predecessors, (4288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:54,150 INFO L175 Difference]: Start difference. First operand has 130 places, 133 transitions, 281 flow. Second operand 3 states and 1622 transitions. [2022-12-13 20:02:54,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 158 transitions, 543 flow [2022-12-13 20:02:54,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 158 transitions, 542 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 20:02:54,154 INFO L231 Difference]: Finished difference. Result has 124 places, 130 transitions, 299 flow [2022-12-13 20:02:54,155 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1072, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=299, PETRI_PLACES=124, PETRI_TRANSITIONS=130} [2022-12-13 20:02:54,155 INFO L288 CegarLoopForPetriNet]: 182 programPoint places, -58 predicate places. [2022-12-13 20:02:54,155 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 130 transitions, 299 flow [2022-12-13 20:02:54,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 505.6666666666667) internal successors, (1517), 3 states have internal predecessors, (1517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:54,156 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:02:54,157 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:02:54,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:02:54,157 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-12-13 20:02:54,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:54,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1695070404, now seen corresponding path program 1 times [2022-12-13 20:02:54,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:02:54,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521923001] [2022-12-13 20:02:54,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:02:54,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:02:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:02:54,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:02:54,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:02:54,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521923001] [2022-12-13 20:02:54,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521923001] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:02:54,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:02:54,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:02:54,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329570708] [2022-12-13 20:02:54,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:02:54,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:02:54,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:02:54,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:02:54,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:02:54,266 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 524 out of 1072 [2022-12-13 20:02:54,267 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 130 transitions, 299 flow. Second operand has 3 states, 3 states have (on average 526.0) internal successors, (1578), 3 states have internal predecessors, (1578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:54,267 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:02:54,267 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 524 of 1072 [2022-12-13 20:02:54,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:02:54,697 INFO L130 PetriNetUnfolder]: 2084/4491 cut-off events. [2022-12-13 20:02:54,697 INFO L131 PetriNetUnfolder]: For 207/207 co-relation queries the response was YES. [2022-12-13 20:02:54,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8315 conditions, 4491 events. 2084/4491 cut-off events. For 207/207 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 31577 event pairs, 1556 based on Foata normal form. 0/3897 useless extension candidates. Maximal degree in co-relation 8310. Up to 3382 conditions per place. [2022-12-13 20:02:54,711 INFO L137 encePairwiseOnDemand]: 1069/1072 looper letters, 76 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2022-12-13 20:02:54,712 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 131 transitions, 457 flow [2022-12-13 20:02:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:02:54,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 20:02:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1646 transitions. [2022-12-13 20:02:54,715 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5118159203980099 [2022-12-13 20:02:54,715 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1646 transitions. [2022-12-13 20:02:54,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1646 transitions. [2022-12-13 20:02:54,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:02:54,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1646 transitions. [2022-12-13 20:02:54,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 548.6666666666666) internal successors, (1646), 3 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:54,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1072.0) internal successors, (4288), 4 states have internal predecessors, (4288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:54,722 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1072.0) internal successors, (4288), 4 states have internal predecessors, (4288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:54,722 INFO L175 Difference]: Start difference. First operand has 124 places, 130 transitions, 299 flow. Second operand 3 states and 1646 transitions. [2022-12-13 20:02:54,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 131 transitions, 457 flow [2022-12-13 20:02:54,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 131 transitions, 457 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 20:02:54,724 INFO L231 Difference]: Finished difference. Result has 127 places, 131 transitions, 311 flow [2022-12-13 20:02:54,724 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1072, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=127, PETRI_TRANSITIONS=131} [2022-12-13 20:02:54,725 INFO L288 CegarLoopForPetriNet]: 182 programPoint places, -55 predicate places. [2022-12-13 20:02:54,725 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 131 transitions, 311 flow [2022-12-13 20:02:54,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.0) internal successors, (1578), 3 states have internal predecessors, (1578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:54,725 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:02:54,726 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:02:54,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 20:02:54,726 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-12-13 20:02:54,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:54,726 INFO L85 PathProgramCache]: Analyzing trace with hash 577861700, now seen corresponding path program 1 times [2022-12-13 20:02:54,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:02:54,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670445479] [2022-12-13 20:02:54,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:02:54,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:02:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:02:54,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 20:02:54,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:02:54,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670445479] [2022-12-13 20:02:54,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670445479] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:02:54,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:02:54,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:02:54,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815321501] [2022-12-13 20:02:54,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:02:54,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:02:54,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:02:54,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:02:54,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:02:55,362 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 515 out of 1072 [2022-12-13 20:02:55,365 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 131 transitions, 311 flow. Second operand has 6 states, 6 states have (on average 516.8333333333334) internal successors, (3101), 6 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:55,365 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:02:55,365 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 515 of 1072 [2022-12-13 20:02:55,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:02:56,551 INFO L130 PetriNetUnfolder]: 6780/11492 cut-off events. [2022-12-13 20:02:56,551 INFO L131 PetriNetUnfolder]: For 658/658 co-relation queries the response was YES. [2022-12-13 20:02:56,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23027 conditions, 11492 events. 6780/11492 cut-off events. For 658/658 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 81487 event pairs, 439 based on Foata normal form. 0/10257 useless extension candidates. Maximal degree in co-relation 23020. Up to 3832 conditions per place. [2022-12-13 20:02:56,581 INFO L137 encePairwiseOnDemand]: 1067/1072 looper letters, 350 selfloop transitions, 4 changer transitions 0/402 dead transitions. [2022-12-13 20:02:56,581 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 402 transitions, 1661 flow [2022-12-13 20:02:56,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:02:56,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 20:02:56,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3419 transitions. [2022-12-13 20:02:56,585 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5315609452736318 [2022-12-13 20:02:56,585 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3419 transitions. [2022-12-13 20:02:56,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3419 transitions. [2022-12-13 20:02:56,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:02:56,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3419 transitions. [2022-12-13 20:02:56,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 569.8333333333334) internal successors, (3419), 6 states have internal predecessors, (3419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:56,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1072.0) internal successors, (7504), 7 states have internal predecessors, (7504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:56,597 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1072.0) internal successors, (7504), 7 states have internal predecessors, (7504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:56,597 INFO L175 Difference]: Start difference. First operand has 127 places, 131 transitions, 311 flow. Second operand 6 states and 3419 transitions. [2022-12-13 20:02:56,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 402 transitions, 1661 flow [2022-12-13 20:02:56,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 402 transitions, 1657 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 20:02:56,602 INFO L231 Difference]: Finished difference. Result has 130 places, 130 transitions, 313 flow [2022-12-13 20:02:56,602 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1072, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=313, PETRI_PLACES=130, PETRI_TRANSITIONS=130} [2022-12-13 20:02:56,602 INFO L288 CegarLoopForPetriNet]: 182 programPoint places, -52 predicate places. [2022-12-13 20:02:56,602 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 130 transitions, 313 flow [2022-12-13 20:02:56,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 516.8333333333334) internal successors, (3101), 6 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:56,603 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:02:56,603 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:02:56,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 20:02:56,604 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-12-13 20:02:56,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:56,604 INFO L85 PathProgramCache]: Analyzing trace with hash -2036112003, now seen corresponding path program 1 times [2022-12-13 20:02:56,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:02:56,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409026679] [2022-12-13 20:02:56,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:02:56,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:02:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:02:56,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 20:02:56,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:02:56,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409026679] [2022-12-13 20:02:56,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409026679] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:02:56,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:02:56,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:02:56,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926813103] [2022-12-13 20:02:56,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:02:56,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:02:56,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:02:56,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:02:56,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:02:56,729 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 520 out of 1072 [2022-12-13 20:02:56,731 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 130 transitions, 313 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:56,731 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:02:56,731 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 520 of 1072 [2022-12-13 20:02:56,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:02:57,384 INFO L130 PetriNetUnfolder]: 2868/6197 cut-off events. [2022-12-13 20:02:57,385 INFO L131 PetriNetUnfolder]: For 1076/1076 co-relation queries the response was YES. [2022-12-13 20:02:57,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12394 conditions, 6197 events. 2868/6197 cut-off events. For 1076/1076 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 44207 event pairs, 984 based on Foata normal form. 0/5601 useless extension candidates. Maximal degree in co-relation 12387. Up to 2787 conditions per place. [2022-12-13 20:02:57,407 INFO L137 encePairwiseOnDemand]: 1063/1072 looper letters, 115 selfloop transitions, 5 changer transitions 0/172 dead transitions. [2022-12-13 20:02:57,407 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 172 transitions, 650 flow [2022-12-13 20:02:57,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:02:57,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 20:02:57,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1678 transitions. [2022-12-13 20:02:57,410 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5217661691542289 [2022-12-13 20:02:57,411 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1678 transitions. [2022-12-13 20:02:57,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1678 transitions. [2022-12-13 20:02:57,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:02:57,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1678 transitions. [2022-12-13 20:02:57,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 559.3333333333334) internal successors, (1678), 3 states have internal predecessors, (1678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:57,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1072.0) internal successors, (4288), 4 states have internal predecessors, (4288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:57,420 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1072.0) internal successors, (4288), 4 states have internal predecessors, (4288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:57,420 INFO L175 Difference]: Start difference. First operand has 130 places, 130 transitions, 313 flow. Second operand 3 states and 1678 transitions. [2022-12-13 20:02:57,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 172 transitions, 650 flow [2022-12-13 20:02:57,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 172 transitions, 641 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 20:02:57,426 INFO L231 Difference]: Finished difference. Result has 129 places, 134 transitions, 345 flow [2022-12-13 20:02:57,426 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1072, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=345, PETRI_PLACES=129, PETRI_TRANSITIONS=134} [2022-12-13 20:02:57,427 INFO L288 CegarLoopForPetriNet]: 182 programPoint places, -53 predicate places. [2022-12-13 20:02:57,427 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 134 transitions, 345 flow [2022-12-13 20:02:57,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:57,428 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:02:57,428 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:02:57,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 20:02:57,428 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-12-13 20:02:57,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:57,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1077548965, now seen corresponding path program 1 times [2022-12-13 20:02:57,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:02:57,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733644330] [2022-12-13 20:02:57,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:02:57,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:02:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:02:57,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 20:02:57,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:02:57,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733644330] [2022-12-13 20:02:57,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733644330] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:02:57,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:02:57,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:02:57,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572915312] [2022-12-13 20:02:57,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:02:57,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:02:57,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:02:57,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:02:57,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:02:58,116 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 514 out of 1072 [2022-12-13 20:02:58,118 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 134 transitions, 345 flow. Second operand has 6 states, 6 states have (on average 516.5) internal successors, (3099), 6 states have internal predecessors, (3099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:58,118 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:02:58,118 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 514 of 1072 [2022-12-13 20:02:58,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:02:59,231 INFO L130 PetriNetUnfolder]: 3868/7740 cut-off events. [2022-12-13 20:02:59,231 INFO L131 PetriNetUnfolder]: For 633/633 co-relation queries the response was YES. [2022-12-13 20:02:59,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15228 conditions, 7740 events. 3868/7740 cut-off events. For 633/633 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 53371 event pairs, 2232 based on Foata normal form. 0/7227 useless extension candidates. Maximal degree in co-relation 15220. Up to 4719 conditions per place. [2022-12-13 20:02:59,254 INFO L137 encePairwiseOnDemand]: 1066/1072 looper letters, 329 selfloop transitions, 5 changer transitions 0/381 dead transitions. [2022-12-13 20:02:59,255 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 381 transitions, 1655 flow [2022-12-13 20:02:59,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:02:59,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 20:02:59,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3393 transitions. [2022-12-13 20:02:59,259 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.527518656716418 [2022-12-13 20:02:59,259 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3393 transitions. [2022-12-13 20:02:59,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3393 transitions. [2022-12-13 20:02:59,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:02:59,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3393 transitions. [2022-12-13 20:02:59,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 565.5) internal successors, (3393), 6 states have internal predecessors, (3393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:59,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1072.0) internal successors, (7504), 7 states have internal predecessors, (7504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:59,269 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1072.0) internal successors, (7504), 7 states have internal predecessors, (7504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:59,269 INFO L175 Difference]: Start difference. First operand has 129 places, 134 transitions, 345 flow. Second operand 6 states and 3393 transitions. [2022-12-13 20:02:59,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 381 transitions, 1655 flow [2022-12-13 20:02:59,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 381 transitions, 1634 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 20:02:59,273 INFO L231 Difference]: Finished difference. Result has 132 places, 133 transitions, 348 flow [2022-12-13 20:02:59,274 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1072, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=348, PETRI_PLACES=132, PETRI_TRANSITIONS=133} [2022-12-13 20:02:59,274 INFO L288 CegarLoopForPetriNet]: 182 programPoint places, -50 predicate places. [2022-12-13 20:02:59,274 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 133 transitions, 348 flow [2022-12-13 20:02:59,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 516.5) internal successors, (3099), 6 states have internal predecessors, (3099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:59,275 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:02:59,276 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:02:59,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 20:02:59,276 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-12-13 20:02:59,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:02:59,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1387200381, now seen corresponding path program 1 times [2022-12-13 20:02:59,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:02:59,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475740999] [2022-12-13 20:02:59,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:02:59,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:02:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:02:59,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 20:02:59,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:02:59,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475740999] [2022-12-13 20:02:59,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475740999] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:02:59,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:02:59,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:02:59,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106959734] [2022-12-13 20:02:59,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:02:59,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:02:59,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:02:59,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:02:59,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:02:59,864 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 472 out of 1072 [2022-12-13 20:02:59,865 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 133 transitions, 348 flow. Second operand has 6 states, 6 states have (on average 474.5) internal successors, (2847), 6 states have internal predecessors, (2847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:02:59,865 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:02:59,866 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 472 of 1072 [2022-12-13 20:02:59,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:03:00,478 INFO L130 PetriNetUnfolder]: 3900/6975 cut-off events. [2022-12-13 20:03:00,478 INFO L131 PetriNetUnfolder]: For 575/575 co-relation queries the response was YES. [2022-12-13 20:03:00,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14669 conditions, 6975 events. 3900/6975 cut-off events. For 575/575 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 42876 event pairs, 1946 based on Foata normal form. 176/6527 useless extension candidates. Maximal degree in co-relation 14661. Up to 4133 conditions per place. [2022-12-13 20:03:00,498 INFO L137 encePairwiseOnDemand]: 1030/1072 looper letters, 108 selfloop transitions, 39 changer transitions 0/170 dead transitions. [2022-12-13 20:03:00,498 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 170 transitions, 736 flow [2022-12-13 20:03:00,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:03:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 20:03:00,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2976 transitions. [2022-12-13 20:03:00,503 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4626865671641791 [2022-12-13 20:03:00,503 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2976 transitions. [2022-12-13 20:03:00,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2976 transitions. [2022-12-13 20:03:00,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:03:00,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2976 transitions. [2022-12-13 20:03:00,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 496.0) internal successors, (2976), 6 states have internal predecessors, (2976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:03:00,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1072.0) internal successors, (7504), 7 states have internal predecessors, (7504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:03:00,511 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1072.0) internal successors, (7504), 7 states have internal predecessors, (7504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:03:00,511 INFO L175 Difference]: Start difference. First operand has 132 places, 133 transitions, 348 flow. Second operand 6 states and 2976 transitions. [2022-12-13 20:03:00,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 170 transitions, 736 flow [2022-12-13 20:03:00,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 170 transitions, 718 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 20:03:00,514 INFO L231 Difference]: Finished difference. Result has 125 places, 126 transitions, 402 flow [2022-12-13 20:03:00,514 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1072, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=402, PETRI_PLACES=125, PETRI_TRANSITIONS=126} [2022-12-13 20:03:00,514 INFO L288 CegarLoopForPetriNet]: 182 programPoint places, -57 predicate places. [2022-12-13 20:03:00,514 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 126 transitions, 402 flow [2022-12-13 20:03:00,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 474.5) internal successors, (2847), 6 states have internal predecessors, (2847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:03:00,515 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:03:00,515 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:03:00,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 20:03:00,515 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-12-13 20:03:00,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:03:00,515 INFO L85 PathProgramCache]: Analyzing trace with hash 731946416, now seen corresponding path program 1 times [2022-12-13 20:03:00,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:03:00,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282282978] [2022-12-13 20:03:00,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:03:00,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:03:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:03:00,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 20:03:00,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:03:00,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282282978] [2022-12-13 20:03:00,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282282978] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:03:00,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:03:00,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:03:00,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362061883] [2022-12-13 20:03:00,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:03:00,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:03:00,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:03:00,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:03:00,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:03:01,140 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 515 out of 1072 [2022-12-13 20:03:01,141 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 126 transitions, 402 flow. Second operand has 6 states, 6 states have (on average 517.3333333333334) internal successors, (3104), 6 states have internal predecessors, (3104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:03:01,141 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:03:01,141 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 515 of 1072 [2022-12-13 20:03:01,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:03:02,119 INFO L130 PetriNetUnfolder]: 3288/6528 cut-off events. [2022-12-13 20:03:02,119 INFO L131 PetriNetUnfolder]: For 677/677 co-relation queries the response was YES. [2022-12-13 20:03:02,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14278 conditions, 6528 events. 3288/6528 cut-off events. For 677/677 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 44275 event pairs, 2142 based on Foata normal form. 0/6030 useless extension candidates. Maximal degree in co-relation 14270. Up to 4522 conditions per place. [2022-12-13 20:03:02,130 INFO L137 encePairwiseOnDemand]: 1067/1072 looper letters, 0 selfloop transitions, 0 changer transitions 377/377 dead transitions. [2022-12-13 20:03:02,130 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 377 transitions, 1900 flow [2022-12-13 20:03:02,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:03:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 20:03:02,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3387 transitions. [2022-12-13 20:03:02,135 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5265858208955224 [2022-12-13 20:03:02,135 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3387 transitions. [2022-12-13 20:03:02,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3387 transitions. [2022-12-13 20:03:02,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:03:02,137 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3387 transitions. [2022-12-13 20:03:02,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 564.5) internal successors, (3387), 6 states have internal predecessors, (3387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:03:02,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1072.0) internal successors, (7504), 7 states have internal predecessors, (7504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:03:02,147 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1072.0) internal successors, (7504), 7 states have internal predecessors, (7504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:03:02,147 INFO L175 Difference]: Start difference. First operand has 125 places, 126 transitions, 402 flow. Second operand 6 states and 3387 transitions. [2022-12-13 20:03:02,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 377 transitions, 1900 flow [2022-12-13 20:03:02,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 377 transitions, 1678 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 20:03:02,156 INFO L231 Difference]: Finished difference. Result has 124 places, 0 transitions, 0 flow [2022-12-13 20:03:02,156 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1072, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=124, PETRI_TRANSITIONS=0} [2022-12-13 20:03:02,156 INFO L288 CegarLoopForPetriNet]: 182 programPoint places, -58 predicate places. [2022-12-13 20:03:02,156 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 0 transitions, 0 flow [2022-12-13 20:03:02,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 517.3333333333334) internal successors, (3104), 6 states have internal predecessors, (3104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:03:02,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (133 of 134 remaining) [2022-12-13 20:03:02,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (132 of 134 remaining) [2022-12-13 20:03:02,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (131 of 134 remaining) [2022-12-13 20:03:02,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (130 of 134 remaining) [2022-12-13 20:03:02,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (129 of 134 remaining) [2022-12-13 20:03:02,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (128 of 134 remaining) [2022-12-13 20:03:02,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (127 of 134 remaining) [2022-12-13 20:03:02,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (126 of 134 remaining) [2022-12-13 20:03:02,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (125 of 134 remaining) [2022-12-13 20:03:02,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (124 of 134 remaining) [2022-12-13 20:03:02,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (123 of 134 remaining) [2022-12-13 20:03:02,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (122 of 134 remaining) [2022-12-13 20:03:02,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (121 of 134 remaining) [2022-12-13 20:03:02,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (120 of 134 remaining) [2022-12-13 20:03:02,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (119 of 134 remaining) [2022-12-13 20:03:02,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (118 of 134 remaining) [2022-12-13 20:03:02,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (117 of 134 remaining) [2022-12-13 20:03:02,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (116 of 134 remaining) [2022-12-13 20:03:02,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (115 of 134 remaining) [2022-12-13 20:03:02,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (114 of 134 remaining) [2022-12-13 20:03:02,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (113 of 134 remaining) [2022-12-13 20:03:02,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (112 of 134 remaining) [2022-12-13 20:03:02,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (111 of 134 remaining) [2022-12-13 20:03:02,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (110 of 134 remaining) [2022-12-13 20:03:02,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (109 of 134 remaining) [2022-12-13 20:03:02,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (108 of 134 remaining) [2022-12-13 20:03:02,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (107 of 134 remaining) [2022-12-13 20:03:02,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (106 of 134 remaining) [2022-12-13 20:03:02,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (105 of 134 remaining) [2022-12-13 20:03:02,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (104 of 134 remaining) [2022-12-13 20:03:02,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (103 of 134 remaining) [2022-12-13 20:03:02,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (102 of 134 remaining) [2022-12-13 20:03:02,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (101 of 134 remaining) [2022-12-13 20:03:02,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (100 of 134 remaining) [2022-12-13 20:03:02,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (99 of 134 remaining) [2022-12-13 20:03:02,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (98 of 134 remaining) [2022-12-13 20:03:02,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (97 of 134 remaining) [2022-12-13 20:03:02,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (96 of 134 remaining) [2022-12-13 20:03:02,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (95 of 134 remaining) [2022-12-13 20:03:02,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (94 of 134 remaining) [2022-12-13 20:03:02,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (93 of 134 remaining) [2022-12-13 20:03:02,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (92 of 134 remaining) [2022-12-13 20:03:02,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (91 of 134 remaining) [2022-12-13 20:03:02,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (90 of 134 remaining) [2022-12-13 20:03:02,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (89 of 134 remaining) [2022-12-13 20:03:02,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (88 of 134 remaining) [2022-12-13 20:03:02,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (87 of 134 remaining) [2022-12-13 20:03:02,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (86 of 134 remaining) [2022-12-13 20:03:02,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (85 of 134 remaining) [2022-12-13 20:03:02,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (84 of 134 remaining) [2022-12-13 20:03:02,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (83 of 134 remaining) [2022-12-13 20:03:02,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (82 of 134 remaining) [2022-12-13 20:03:02,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (81 of 134 remaining) [2022-12-13 20:03:02,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (80 of 134 remaining) [2022-12-13 20:03:02,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (79 of 134 remaining) [2022-12-13 20:03:02,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (78 of 134 remaining) [2022-12-13 20:03:02,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (77 of 134 remaining) [2022-12-13 20:03:02,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (76 of 134 remaining) [2022-12-13 20:03:02,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (75 of 134 remaining) [2022-12-13 20:03:02,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (74 of 134 remaining) [2022-12-13 20:03:02,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (73 of 134 remaining) [2022-12-13 20:03:02,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 134 remaining) [2022-12-13 20:03:02,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (71 of 134 remaining) [2022-12-13 20:03:02,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (70 of 134 remaining) [2022-12-13 20:03:02,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 134 remaining) [2022-12-13 20:03:02,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (68 of 134 remaining) [2022-12-13 20:03:02,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (67 of 134 remaining) [2022-12-13 20:03:02,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (66 of 134 remaining) [2022-12-13 20:03:02,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (65 of 134 remaining) [2022-12-13 20:03:02,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (64 of 134 remaining) [2022-12-13 20:03:02,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (63 of 134 remaining) [2022-12-13 20:03:02,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 134 remaining) [2022-12-13 20:03:02,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (61 of 134 remaining) [2022-12-13 20:03:02,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (60 of 134 remaining) [2022-12-13 20:03:02,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (59 of 134 remaining) [2022-12-13 20:03:02,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (58 of 134 remaining) [2022-12-13 20:03:02,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (57 of 134 remaining) [2022-12-13 20:03:02,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (56 of 134 remaining) [2022-12-13 20:03:02,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (55 of 134 remaining) [2022-12-13 20:03:02,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 134 remaining) [2022-12-13 20:03:02,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (53 of 134 remaining) [2022-12-13 20:03:02,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 134 remaining) [2022-12-13 20:03:02,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (51 of 134 remaining) [2022-12-13 20:03:02,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (50 of 134 remaining) [2022-12-13 20:03:02,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (49 of 134 remaining) [2022-12-13 20:03:02,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (48 of 134 remaining) [2022-12-13 20:03:02,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (47 of 134 remaining) [2022-12-13 20:03:02,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (46 of 134 remaining) [2022-12-13 20:03:02,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (45 of 134 remaining) [2022-12-13 20:03:02,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (44 of 134 remaining) [2022-12-13 20:03:02,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (43 of 134 remaining) [2022-12-13 20:03:02,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (42 of 134 remaining) [2022-12-13 20:03:02,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (41 of 134 remaining) [2022-12-13 20:03:02,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (40 of 134 remaining) [2022-12-13 20:03:02,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (39 of 134 remaining) [2022-12-13 20:03:02,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 134 remaining) [2022-12-13 20:03:02,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (37 of 134 remaining) [2022-12-13 20:03:02,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (36 of 134 remaining) [2022-12-13 20:03:02,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (35 of 134 remaining) [2022-12-13 20:03:02,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (34 of 134 remaining) [2022-12-13 20:03:02,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (33 of 134 remaining) [2022-12-13 20:03:02,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (32 of 134 remaining) [2022-12-13 20:03:02,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (31 of 134 remaining) [2022-12-13 20:03:02,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (30 of 134 remaining) [2022-12-13 20:03:02,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 134 remaining) [2022-12-13 20:03:02,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (28 of 134 remaining) [2022-12-13 20:03:02,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (27 of 134 remaining) [2022-12-13 20:03:02,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (26 of 134 remaining) [2022-12-13 20:03:02,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (25 of 134 remaining) [2022-12-13 20:03:02,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (24 of 134 remaining) [2022-12-13 20:03:02,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (23 of 134 remaining) [2022-12-13 20:03:02,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (22 of 134 remaining) [2022-12-13 20:03:02,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (21 of 134 remaining) [2022-12-13 20:03:02,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (20 of 134 remaining) [2022-12-13 20:03:02,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (19 of 134 remaining) [2022-12-13 20:03:02,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (18 of 134 remaining) [2022-12-13 20:03:02,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (17 of 134 remaining) [2022-12-13 20:03:02,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (16 of 134 remaining) [2022-12-13 20:03:02,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (15 of 134 remaining) [2022-12-13 20:03:02,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 134 remaining) [2022-12-13 20:03:02,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (13 of 134 remaining) [2022-12-13 20:03:02,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (12 of 134 remaining) [2022-12-13 20:03:02,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (11 of 134 remaining) [2022-12-13 20:03:02,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 134 remaining) [2022-12-13 20:03:02,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (9 of 134 remaining) [2022-12-13 20:03:02,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (8 of 134 remaining) [2022-12-13 20:03:02,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (7 of 134 remaining) [2022-12-13 20:03:02,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (6 of 134 remaining) [2022-12-13 20:03:02,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (5 of 134 remaining) [2022-12-13 20:03:02,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (4 of 134 remaining) [2022-12-13 20:03:02,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (3 of 134 remaining) [2022-12-13 20:03:02,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (2 of 134 remaining) [2022-12-13 20:03:02,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (1 of 134 remaining) [2022-12-13 20:03:02,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (0 of 134 remaining) [2022-12-13 20:03:02,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 20:03:02,173 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:03:02,178 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 20:03:02,178 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:03:02,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:03:02 BasicIcfg [2022-12-13 20:03:02,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:03:02,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:03:02,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:03:02,181 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:03:02,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:02:44" (3/4) ... [2022-12-13 20:03:02,183 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:03:02,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 20:03:02,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 20:03:02,191 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-13 20:03:02,191 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 20:03:02,192 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 20:03:02,192 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:03:02,218 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:03:02,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:03:02,218 INFO L158 Benchmark]: Toolchain (without parser) took 18440.63ms. Allocated memory was 172.0MB in the beginning and 824.2MB in the end (delta: 652.2MB). Free memory was 137.6MB in the beginning and 472.9MB in the end (delta: -335.3MB). Peak memory consumption was 317.6MB. Max. memory is 16.1GB. [2022-12-13 20:03:02,219 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 136.3MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:03:02,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.07ms. Allocated memory is still 172.0MB. Free memory was 136.9MB in the beginning and 124.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:03:02,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.22ms. Allocated memory is still 172.0MB. Free memory was 123.7MB in the beginning and 120.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:03:02,219 INFO L158 Benchmark]: Boogie Preprocessor took 47.09ms. Allocated memory is still 172.0MB. Free memory was 120.8MB in the beginning and 117.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:03:02,219 INFO L158 Benchmark]: RCFGBuilder took 712.85ms. Allocated memory is still 172.0MB. Free memory was 117.4MB in the beginning and 81.0MB in the end (delta: 36.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-13 20:03:02,220 INFO L158 Benchmark]: TraceAbstraction took 17347.15ms. Allocated memory was 172.0MB in the beginning and 824.2MB in the end (delta: 652.2MB). Free memory was 79.7MB in the beginning and 476.0MB in the end (delta: -396.4MB). Peak memory consumption was 377.0MB. Max. memory is 16.1GB. [2022-12-13 20:03:02,220 INFO L158 Benchmark]: Witness Printer took 37.21ms. Allocated memory is still 824.2MB. Free memory was 476.0MB in the beginning and 472.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:03:02,221 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 136.3MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.07ms. Allocated memory is still 172.0MB. Free memory was 136.9MB in the beginning and 124.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.22ms. Allocated memory is still 172.0MB. Free memory was 123.7MB in the beginning and 120.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.09ms. Allocated memory is still 172.0MB. Free memory was 120.8MB in the beginning and 117.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 712.85ms. Allocated memory is still 172.0MB. Free memory was 117.4MB in the beginning and 81.0MB in the end (delta: 36.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 17347.15ms. Allocated memory was 172.0MB in the beginning and 824.2MB in the end (delta: 652.2MB). Free memory was 79.7MB in the beginning and 476.0MB in the end (delta: -396.4MB). Peak memory consumption was 377.0MB. Max. memory is 16.1GB. * Witness Printer took 37.21ms. Allocated memory is still 824.2MB. Free memory was 476.0MB in the beginning and 472.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.8s, 507 PlacesBefore, 182 PlacesAfterwards, 528 TransitionsBefore, 191 TransitionsAfterwards, 50436 CoEnabledTransitionPairs, 7 FixpointIterations, 114 TrivialSequentialCompositions, 328 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 59 ConcurrentYvCompositions, 12 ChoiceCompositions, 524 TotalNumberOfCompositions, 170532 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 54235, independent: 52550, independent conditional: 0, independent unconditional: 52550, dependent: 1685, dependent conditional: 0, dependent unconditional: 1685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 28024, independent: 27627, independent conditional: 0, independent unconditional: 27627, dependent: 397, dependent conditional: 0, dependent unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54235, independent: 24923, independent conditional: 0, independent unconditional: 24923, dependent: 1288, dependent conditional: 0, dependent unconditional: 1288, unknown: 28024, unknown conditional: 0, unknown unconditional: 28024] , Statistics on independence cache: Total cache size (in pairs): 2108, Positive cache size: 1885, Positive conditional cache size: 0, Positive unconditional cache size: 1885, Negative cache size: 223, Negative conditional cache size: 0, Negative unconditional cache size: 223, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 73]: 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: 74]: 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: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: 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: 74]: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: 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: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: 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: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 85]: 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: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: 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: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 894 locations, 134 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: 17.1s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2252 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1461 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 830 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5004 IncrementalHoareTripleChecker+Invalid, 5834 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 830 mSolverCounterUnsat, 66 mSDtfsCounter, 5004 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred in iteration=9, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 5/5 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 71 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 20:03:02,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32af18e6-4d33-4c00-9881-7dee20eb2680/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE