./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a --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 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf --- 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-b5237d8 [2022-11-21 17:20:05,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:20:05,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:20:05,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:20:05,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:20:05,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:20:05,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:20:05,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:20:05,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:20:05,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:20:05,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:20:05,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:20:05,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:20:05,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:20:05,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:20:05,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:20:05,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:20:05,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:20:05,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:20:05,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:20:05,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:20:05,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:20:05,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:20:05,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:20:05,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:20:05,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:20:05,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:20:05,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:20:05,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:20:05,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:20:05,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:20:05,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:20:05,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:20:05,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:20:05,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:20:05,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:20:05,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:20:05,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:20:05,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:20:05,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:20:05,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:20:05,972 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 17:20:06,015 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:20:06,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:20:06,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:20:06,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:20:06,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:20:06,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:20:06,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:20:06,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:20:06,019 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:20:06,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:20:06,021 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:20:06,021 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:20:06,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:20:06,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:20:06,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:20:06,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:20:06,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:20:06,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:20:06,022 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 17:20:06,023 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:20:06,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:20:06,023 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:20:06,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:20:06,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:20:06,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:20:06,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:20:06,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:20:06,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:20:06,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:20:06,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:20:06,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:20:06,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:20:06,026 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:20:06,026 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:20:06,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:20:06,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf [2022-11-21 17:20:06,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:20:06,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:20:06,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:20:06,425 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:20:06,426 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:20:06,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2022-11-21 17:20:09,617 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:20:09,889 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:20:09,901 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2022-11-21 17:20:09,914 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a/data/4cf228a01/f3818d881c2c474da605b51f5faa0b54/FLAG3c46458cf [2022-11-21 17:20:09,928 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a/data/4cf228a01/f3818d881c2c474da605b51f5faa0b54 [2022-11-21 17:20:09,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:20:09,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:20:09,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:20:09,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:20:09,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:20:09,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:20:09" (1/1) ... [2022-11-21 17:20:09,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5724a22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:09, skipping insertion in model container [2022-11-21 17:20:09,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:20:09" (1/1) ... [2022-11-21 17:20:09,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:20:09,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:20:10,151 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_9ec7bc44-8658-4e83-8bc0-add5025d28f9/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109] [2022-11-21 17:20:10,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:20:10,427 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:20:10,444 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_9ec7bc44-8658-4e83-8bc0-add5025d28f9/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109] [2022-11-21 17:20:10,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:20:10,518 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:20:10,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10 WrapperNode [2022-11-21 17:20:10,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:20:10,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:20:10,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:20:10,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:20:10,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,589 INFO L138 Inliner]: procedures = 162, calls = 46, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 103 [2022-11-21 17:20:10,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:20:10,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:20:10,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:20:10,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:20:10,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,621 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:20:10,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:20:10,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:20:10,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:20:10,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:20:10,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:20:10,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:20:10,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:20:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:20:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:20:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 17:20:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:20:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:20:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-21 17:20:10,720 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-21 17:20:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:20:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:20:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:20:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:20:10,722 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 17:20:10,983 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:20:10,986 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:20:11,326 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:20:11,335 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:20:11,335 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:20:11,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:20:11 BoogieIcfgContainer [2022-11-21 17:20:11,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:20:11,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:20:11,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:20:11,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:20:11,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:20:09" (1/3) ... [2022-11-21 17:20:11,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f2da0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:20:11, skipping insertion in model container [2022-11-21 17:20:11,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (2/3) ... [2022-11-21 17:20:11,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f2da0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:20:11, skipping insertion in model container [2022-11-21 17:20:11,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:20:11" (3/3) ... [2022-11-21 17:20:11,347 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2022-11-21 17:20:11,357 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 17:20:11,367 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:20:11,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2022-11-21 17:20:11,368 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 17:20:11,453 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-21 17:20:11,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 189 places, 189 transitions, 386 flow [2022-11-21 17:20:11,600 INFO L130 PetriNetUnfolder]: 4/188 cut-off events. [2022-11-21 17:20:11,601 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-21 17:20:11,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 188 events. 4/188 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 187 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 140. Up to 2 conditions per place. [2022-11-21 17:20:11,611 INFO L82 GeneralOperation]: Start removeDead. Operand has 189 places, 189 transitions, 386 flow [2022-11-21 17:20:11,618 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 180 places, 180 transitions, 363 flow [2022-11-21 17:20:11,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:20:11,640 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;@2e41250c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:20:11,640 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-11-21 17:20:11,659 INFO L130 PetriNetUnfolder]: 0/53 cut-off events. [2022-11-21 17:20:11,659 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 17:20:11,659 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:20:11,660 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:20:11,661 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-11-21 17:20:11,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:20:11,667 INFO L85 PathProgramCache]: Analyzing trace with hash 640946876, now seen corresponding path program 1 times [2022-11-21 17:20:11,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:20:11,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449141043] [2022-11-21 17:20:11,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:20:11,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:20:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:20:12,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:20:12,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449141043] [2022-11-21 17:20:12,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449141043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:20:12,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:20:12,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:20:12,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623114126] [2022-11-21 17:20:12,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:20:12,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:20:12,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:20:12,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:20:12,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:20:12,145 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 189 [2022-11-21 17:20:12,152 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 180 transitions, 363 flow. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:12,157 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:20:12,158 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 189 [2022-11-21 17:20:12,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:20:12,564 INFO L130 PetriNetUnfolder]: 99/1201 cut-off events. [2022-11-21 17:20:12,565 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-21 17:20:12,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1442 conditions, 1201 events. 99/1201 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 7747 event pairs, 28 based on Foata normal form. 53/1094 useless extension candidates. Maximal degree in co-relation 1396. Up to 160 conditions per place. [2022-11-21 17:20:12,581 INFO L137 encePairwiseOnDemand]: 170/189 looper letters, 22 selfloop transitions, 10 changer transitions 0/182 dead transitions. [2022-11-21 17:20:12,581 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 182 transitions, 431 flow [2022-11-21 17:20:12,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:20:12,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 17:20:12,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 519 transitions. [2022-11-21 17:20:12,608 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9153439153439153 [2022-11-21 17:20:12,610 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 519 transitions. [2022-11-21 17:20:12,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 519 transitions. [2022-11-21 17:20:12,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:20:12,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 519 transitions. [2022-11-21 17:20:12,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:12,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:12,638 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:12,640 INFO L175 Difference]: Start difference. First operand has 180 places, 180 transitions, 363 flow. Second operand 3 states and 519 transitions. [2022-11-21 17:20:12,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 182 transitions, 431 flow [2022-11-21 17:20:12,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 182 transitions, 430 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 17:20:12,659 INFO L231 Difference]: Finished difference. Result has 177 places, 178 transitions, 420 flow [2022-11-21 17:20:12,662 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=177, PETRI_TRANSITIONS=178} [2022-11-21 17:20:12,669 INFO L288 CegarLoopForPetriNet]: 180 programPoint places, -3 predicate places. [2022-11-21 17:20:12,669 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 178 transitions, 420 flow [2022-11-21 17:20:12,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:12,671 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:20:12,672 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:20:12,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:20:12,673 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-11-21 17:20:12,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:20:12,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1423731781, now seen corresponding path program 1 times [2022-11-21 17:20:12,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:20:12,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910225675] [2022-11-21 17:20:12,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:20:12,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:20:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:12,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:20:12,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:20:12,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910225675] [2022-11-21 17:20:12,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910225675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:20:12,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:20:12,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:20:12,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532825355] [2022-11-21 17:20:12,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:20:12,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:20:12,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:20:12,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:20:12,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:20:12,856 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 189 [2022-11-21 17:20:12,857 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 178 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:12,857 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:20:12,857 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 189 [2022-11-21 17:20:12,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:20:13,212 INFO L130 PetriNetUnfolder]: 117/1556 cut-off events. [2022-11-21 17:20:13,212 INFO L131 PetriNetUnfolder]: For 214/233 co-relation queries the response was YES. [2022-11-21 17:20:13,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2075 conditions, 1556 events. 117/1556 cut-off events. For 214/233 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 11108 event pairs, 49 based on Foata normal form. 2/1390 useless extension candidates. Maximal degree in co-relation 2028. Up to 236 conditions per place. [2022-11-21 17:20:13,222 INFO L137 encePairwiseOnDemand]: 182/189 looper letters, 38 selfloop transitions, 8 changer transitions 0/194 dead transitions. [2022-11-21 17:20:13,222 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 194 transitions, 584 flow [2022-11-21 17:20:13,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:20:13,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 17:20:13,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 502 transitions. [2022-11-21 17:20:13,227 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8853615520282186 [2022-11-21 17:20:13,227 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 502 transitions. [2022-11-21 17:20:13,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 502 transitions. [2022-11-21 17:20:13,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:20:13,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 502 transitions. [2022-11-21 17:20:13,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:13,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:13,233 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:13,233 INFO L175 Difference]: Start difference. First operand has 177 places, 178 transitions, 420 flow. Second operand 3 states and 502 transitions. [2022-11-21 17:20:13,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 194 transitions, 584 flow [2022-11-21 17:20:13,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 194 transitions, 552 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 17:20:13,246 INFO L231 Difference]: Finished difference. Result has 179 places, 185 transitions, 472 flow [2022-11-21 17:20:13,247 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=472, PETRI_PLACES=179, PETRI_TRANSITIONS=185} [2022-11-21 17:20:13,248 INFO L288 CegarLoopForPetriNet]: 180 programPoint places, -1 predicate places. [2022-11-21 17:20:13,248 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 185 transitions, 472 flow [2022-11-21 17:20:13,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:13,249 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:20:13,250 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:20:13,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:20:13,254 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-11-21 17:20:13,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:20:13,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1152277498, now seen corresponding path program 1 times [2022-11-21 17:20:13,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:20:13,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610740496] [2022-11-21 17:20:13,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:20:13,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:20:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:13,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:20:13,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:20:13,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610740496] [2022-11-21 17:20:13,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610740496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:20:13,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:20:13,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:20:13,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754337158] [2022-11-21 17:20:13,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:20:13,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:20:13,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:20:13,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:20:13,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:20:13,748 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 189 [2022-11-21 17:20:13,750 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 185 transitions, 472 flow. Second operand has 6 states, 6 states have (on average 145.83333333333334) internal successors, (875), 6 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:13,750 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:20:13,750 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 189 [2022-11-21 17:20:13,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:20:14,248 INFO L130 PetriNetUnfolder]: 145/1320 cut-off events. [2022-11-21 17:20:14,248 INFO L131 PetriNetUnfolder]: For 60/63 co-relation queries the response was YES. [2022-11-21 17:20:14,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1844 conditions, 1320 events. 145/1320 cut-off events. For 60/63 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8750 event pairs, 53 based on Foata normal form. 13/1202 useless extension candidates. Maximal degree in co-relation 1784. Up to 180 conditions per place. [2022-11-21 17:20:14,261 INFO L137 encePairwiseOnDemand]: 181/189 looper letters, 51 selfloop transitions, 8 changer transitions 0/197 dead transitions. [2022-11-21 17:20:14,261 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 197 transitions, 576 flow [2022-11-21 17:20:14,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:20:14,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 17:20:14,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 776 transitions. [2022-11-21 17:20:14,265 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8211640211640212 [2022-11-21 17:20:14,266 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 776 transitions. [2022-11-21 17:20:14,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 776 transitions. [2022-11-21 17:20:14,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:20:14,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 776 transitions. [2022-11-21 17:20:14,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 155.2) internal successors, (776), 5 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:14,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:14,275 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:14,276 INFO L175 Difference]: Start difference. First operand has 179 places, 185 transitions, 472 flow. Second operand 5 states and 776 transitions. [2022-11-21 17:20:14,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 197 transitions, 576 flow [2022-11-21 17:20:14,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 197 transitions, 558 flow, removed 5 selfloop flow, removed 2 redundant places. [2022-11-21 17:20:14,286 INFO L231 Difference]: Finished difference. Result has 180 places, 179 transitions, 434 flow [2022-11-21 17:20:14,287 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=434, PETRI_PLACES=180, PETRI_TRANSITIONS=179} [2022-11-21 17:20:14,288 INFO L288 CegarLoopForPetriNet]: 180 programPoint places, 0 predicate places. [2022-11-21 17:20:14,288 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 179 transitions, 434 flow [2022-11-21 17:20:14,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.83333333333334) internal successors, (875), 6 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:14,289 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:20:14,289 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:20:14,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 17:20:14,290 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-11-21 17:20:14,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:20:14,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1341756194, now seen corresponding path program 1 times [2022-11-21 17:20:14,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:20:14,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18097078] [2022-11-21 17:20:14,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:20:14,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:20:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:14,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:20:14,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:20:14,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18097078] [2022-11-21 17:20:14,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18097078] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:20:14,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:20:14,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:20:14,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474825649] [2022-11-21 17:20:14,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:20:14,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:20:14,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:20:14,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:20:14,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:20:14,352 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 189 [2022-11-21 17:20:14,352 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 179 transitions, 434 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:14,353 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:20:14,353 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 189 [2022-11-21 17:20:14,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:20:14,497 INFO L130 PetriNetUnfolder]: 41/838 cut-off events. [2022-11-21 17:20:14,498 INFO L131 PetriNetUnfolder]: For 70/82 co-relation queries the response was YES. [2022-11-21 17:20:14,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1157 conditions, 838 events. 41/838 cut-off events. For 70/82 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4602 event pairs, 20 based on Foata normal form. 0/757 useless extension candidates. Maximal degree in co-relation 1106. Up to 110 conditions per place. [2022-11-21 17:20:14,502 INFO L137 encePairwiseOnDemand]: 184/189 looper letters, 28 selfloop transitions, 4 changer transitions 0/185 dead transitions. [2022-11-21 17:20:14,502 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 185 transitions, 520 flow [2022-11-21 17:20:14,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:20:14,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 17:20:14,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2022-11-21 17:20:14,504 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8712522045855379 [2022-11-21 17:20:14,504 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 494 transitions. [2022-11-21 17:20:14,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 494 transitions. [2022-11-21 17:20:14,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:20:14,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 494 transitions. [2022-11-21 17:20:14,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:14,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:14,513 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:14,513 INFO L175 Difference]: Start difference. First operand has 180 places, 179 transitions, 434 flow. Second operand 3 states and 494 transitions. [2022-11-21 17:20:14,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 185 transitions, 520 flow [2022-11-21 17:20:14,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 185 transitions, 517 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 17:20:14,520 INFO L231 Difference]: Finished difference. Result has 182 places, 182 transitions, 465 flow [2022-11-21 17:20:14,520 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=431, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=465, PETRI_PLACES=182, PETRI_TRANSITIONS=182} [2022-11-21 17:20:14,523 INFO L288 CegarLoopForPetriNet]: 180 programPoint places, 2 predicate places. [2022-11-21 17:20:14,523 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 182 transitions, 465 flow [2022-11-21 17:20:14,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:14,529 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:20:14,529 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:20:14,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 17:20:14,530 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-11-21 17:20:14,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:20:14,531 INFO L85 PathProgramCache]: Analyzing trace with hash 75878821, now seen corresponding path program 1 times [2022-11-21 17:20:14,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:20:14,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79371940] [2022-11-21 17:20:14,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:20:14,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:20:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:14,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:20:14,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:20:14,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79371940] [2022-11-21 17:20:14,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79371940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:20:14,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:20:14,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:20:14,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619074415] [2022-11-21 17:20:14,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:20:14,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:20:14,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:20:14,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:20:14,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:20:14,645 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 189 [2022-11-21 17:20:14,646 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 182 transitions, 465 flow. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:14,646 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:20:14,646 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 189 [2022-11-21 17:20:14,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:20:14,818 INFO L130 PetriNetUnfolder]: 55/1002 cut-off events. [2022-11-21 17:20:14,818 INFO L131 PetriNetUnfolder]: For 57/59 co-relation queries the response was YES. [2022-11-21 17:20:14,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1371 conditions, 1002 events. 55/1002 cut-off events. For 57/59 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6100 event pairs, 18 based on Foata normal form. 0/904 useless extension candidates. Maximal degree in co-relation 1320. Up to 72 conditions per place. [2022-11-21 17:20:14,823 INFO L137 encePairwiseOnDemand]: 180/189 looper letters, 16 selfloop transitions, 6 changer transitions 0/188 dead transitions. [2022-11-21 17:20:14,823 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 188 transitions, 521 flow [2022-11-21 17:20:14,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:20:14,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 17:20:14,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions. [2022-11-21 17:20:14,825 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9118165784832452 [2022-11-21 17:20:14,826 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 517 transitions. [2022-11-21 17:20:14,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 517 transitions. [2022-11-21 17:20:14,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:20:14,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 517 transitions. [2022-11-21 17:20:14,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:14,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:14,830 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:14,830 INFO L175 Difference]: Start difference. First operand has 182 places, 182 transitions, 465 flow. Second operand 3 states and 517 transitions. [2022-11-21 17:20:14,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 188 transitions, 521 flow [2022-11-21 17:20:14,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 188 transitions, 511 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-21 17:20:14,835 INFO L231 Difference]: Finished difference. Result has 182 places, 184 transitions, 493 flow [2022-11-21 17:20:14,835 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=493, PETRI_PLACES=182, PETRI_TRANSITIONS=184} [2022-11-21 17:20:14,836 INFO L288 CegarLoopForPetriNet]: 180 programPoint places, 2 predicate places. [2022-11-21 17:20:14,836 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 184 transitions, 493 flow [2022-11-21 17:20:14,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:14,837 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:20:14,837 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:20:14,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 17:20:14,838 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-11-21 17:20:14,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:20:14,838 INFO L85 PathProgramCache]: Analyzing trace with hash 442346670, now seen corresponding path program 1 times [2022-11-21 17:20:14,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:20:14,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970570488] [2022-11-21 17:20:14,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:20:14,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:20:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:14,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:20:14,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:20:14,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970570488] [2022-11-21 17:20:14,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970570488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:20:14,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:20:14,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:20:14,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240132545] [2022-11-21 17:20:14,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:20:14,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:20:14,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:20:14,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:20:14,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:20:14,895 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 189 [2022-11-21 17:20:14,895 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 184 transitions, 493 flow. Second operand has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:14,896 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:20:14,896 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 189 [2022-11-21 17:20:14,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:20:15,064 INFO L130 PetriNetUnfolder]: 59/1020 cut-off events. [2022-11-21 17:20:15,065 INFO L131 PetriNetUnfolder]: For 151/215 co-relation queries the response was YES. [2022-11-21 17:20:15,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1506 conditions, 1020 events. 59/1020 cut-off events. For 151/215 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6319 event pairs, 24 based on Foata normal form. 1/937 useless extension candidates. Maximal degree in co-relation 1454. Up to 120 conditions per place. [2022-11-21 17:20:15,070 INFO L137 encePairwiseOnDemand]: 184/189 looper letters, 22 selfloop transitions, 4 changer transitions 0/190 dead transitions. [2022-11-21 17:20:15,070 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 190 transitions, 569 flow [2022-11-21 17:20:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:20:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 17:20:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 508 transitions. [2022-11-21 17:20:15,072 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8959435626102292 [2022-11-21 17:20:15,073 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 508 transitions. [2022-11-21 17:20:15,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 508 transitions. [2022-11-21 17:20:15,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:20:15,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 508 transitions. [2022-11-21 17:20:15,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:15,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:15,076 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:15,077 INFO L175 Difference]: Start difference. First operand has 182 places, 184 transitions, 493 flow. Second operand 3 states and 508 transitions. [2022-11-21 17:20:15,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 190 transitions, 569 flow [2022-11-21 17:20:15,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 190 transitions, 553 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 17:20:15,082 INFO L231 Difference]: Finished difference. Result has 184 places, 187 transitions, 513 flow [2022-11-21 17:20:15,082 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=481, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=513, PETRI_PLACES=184, PETRI_TRANSITIONS=187} [2022-11-21 17:20:15,083 INFO L288 CegarLoopForPetriNet]: 180 programPoint places, 4 predicate places. [2022-11-21 17:20:15,083 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 187 transitions, 513 flow [2022-11-21 17:20:15,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:15,084 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:20:15,084 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:20:15,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 17:20:15,084 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-11-21 17:20:15,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:20:15,085 INFO L85 PathProgramCache]: Analyzing trace with hash 425780949, now seen corresponding path program 1 times [2022-11-21 17:20:15,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:20:15,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199655773] [2022-11-21 17:20:15,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:20:15,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:20:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:15,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:20:15,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:20:15,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199655773] [2022-11-21 17:20:15,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199655773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:20:15,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:20:15,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:20:15,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544606007] [2022-11-21 17:20:15,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:20:15,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:20:15,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:20:15,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:20:15,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:20:15,141 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 189 [2022-11-21 17:20:15,141 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 187 transitions, 513 flow. Second operand has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:15,141 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:20:15,142 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 189 [2022-11-21 17:20:15,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:20:15,334 INFO L130 PetriNetUnfolder]: 58/1118 cut-off events. [2022-11-21 17:20:15,334 INFO L131 PetriNetUnfolder]: For 161/238 co-relation queries the response was YES. [2022-11-21 17:20:15,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1639 conditions, 1118 events. 58/1118 cut-off events. For 161/238 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 7178 event pairs, 21 based on Foata normal form. 2/1029 useless extension candidates. Maximal degree in co-relation 1586. Up to 114 conditions per place. [2022-11-21 17:20:15,340 INFO L137 encePairwiseOnDemand]: 184/189 looper letters, 24 selfloop transitions, 4 changer transitions 2/193 dead transitions. [2022-11-21 17:20:15,340 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 193 transitions, 591 flow [2022-11-21 17:20:15,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:20:15,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 17:20:15,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 508 transitions. [2022-11-21 17:20:15,342 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8959435626102292 [2022-11-21 17:20:15,342 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 508 transitions. [2022-11-21 17:20:15,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 508 transitions. [2022-11-21 17:20:15,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:20:15,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 508 transitions. [2022-11-21 17:20:15,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:15,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:15,346 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:15,346 INFO L175 Difference]: Start difference. First operand has 184 places, 187 transitions, 513 flow. Second operand 3 states and 508 transitions. [2022-11-21 17:20:15,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 193 transitions, 591 flow [2022-11-21 17:20:15,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 193 transitions, 583 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 17:20:15,351 INFO L231 Difference]: Finished difference. Result has 186 places, 188 transitions, 535 flow [2022-11-21 17:20:15,352 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=505, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=535, PETRI_PLACES=186, PETRI_TRANSITIONS=188} [2022-11-21 17:20:15,352 INFO L288 CegarLoopForPetriNet]: 180 programPoint places, 6 predicate places. [2022-11-21 17:20:15,353 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 188 transitions, 535 flow [2022-11-21 17:20:15,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:15,353 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:20:15,353 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:20:15,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 17:20:15,354 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-11-21 17:20:15,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:20:15,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1996183238, now seen corresponding path program 1 times [2022-11-21 17:20:15,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:20:15,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73214296] [2022-11-21 17:20:15,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:20:15,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:20:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:20:15,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:20:15,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73214296] [2022-11-21 17:20:15,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73214296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:20:15,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:20:15,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:20:15,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495950839] [2022-11-21 17:20:15,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:20:15,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:20:15,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:20:15,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:20:15,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:20:15,497 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 189 [2022-11-21 17:20:15,497 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 188 transitions, 535 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:15,498 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:20:15,498 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 189 [2022-11-21 17:20:15,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:20:15,771 INFO L130 PetriNetUnfolder]: 94/1297 cut-off events. [2022-11-21 17:20:15,771 INFO L131 PetriNetUnfolder]: For 189/189 co-relation queries the response was YES. [2022-11-21 17:20:15,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2044 conditions, 1297 events. 94/1297 cut-off events. For 189/189 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 8133 event pairs, 40 based on Foata normal form. 26/1273 useless extension candidates. Maximal degree in co-relation 1984. Up to 210 conditions per place. [2022-11-21 17:20:15,777 INFO L137 encePairwiseOnDemand]: 169/189 looper letters, 31 selfloop transitions, 22 changer transitions 0/185 dead transitions. [2022-11-21 17:20:15,777 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 185 transitions, 601 flow [2022-11-21 17:20:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:20:15,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 17:20:15,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 502 transitions. [2022-11-21 17:20:15,779 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8853615520282186 [2022-11-21 17:20:15,779 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 502 transitions. [2022-11-21 17:20:15,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 502 transitions. [2022-11-21 17:20:15,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:20:15,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 502 transitions. [2022-11-21 17:20:15,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:15,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:15,783 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:15,783 INFO L175 Difference]: Start difference. First operand has 186 places, 188 transitions, 535 flow. Second operand 3 states and 502 transitions. [2022-11-21 17:20:15,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 185 transitions, 601 flow [2022-11-21 17:20:15,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 185 transitions, 559 flow, removed 11 selfloop flow, removed 10 redundant places. [2022-11-21 17:20:15,788 INFO L231 Difference]: Finished difference. Result has 171 places, 181 transitions, 533 flow [2022-11-21 17:20:15,789 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=533, PETRI_PLACES=171, PETRI_TRANSITIONS=181} [2022-11-21 17:20:15,789 INFO L288 CegarLoopForPetriNet]: 180 programPoint places, -9 predicate places. [2022-11-21 17:20:15,789 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 181 transitions, 533 flow [2022-11-21 17:20:15,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:15,790 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:20:15,790 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:20:15,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 17:20:15,791 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2022-11-21 17:20:15,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:20:15,791 INFO L85 PathProgramCache]: Analyzing trace with hash 261109804, now seen corresponding path program 1 times [2022-11-21 17:20:15,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:20:15,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418317673] [2022-11-21 17:20:15,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:20:15,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:20:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:16,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:20:16,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:20:16,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418317673] [2022-11-21 17:20:16,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418317673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:20:16,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:20:16,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:20:16,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95008270] [2022-11-21 17:20:16,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:20:16,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:20:16,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:20:16,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:20:16,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:20:16,283 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 189 [2022-11-21 17:20:16,284 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 181 transitions, 533 flow. Second operand has 6 states, 6 states have (on average 168.66666666666666) internal successors, (1012), 6 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:16,285 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:20:16,285 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 189 [2022-11-21 17:20:16,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:20:16,448 INFO L130 PetriNetUnfolder]: 67/1097 cut-off events. [2022-11-21 17:20:16,448 INFO L131 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2022-11-21 17:20:16,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1752 conditions, 1097 events. 67/1097 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 6564 event pairs, 25 based on Foata normal form. 0/1075 useless extension candidates. Maximal degree in co-relation 1698. Up to 155 conditions per place. [2022-11-21 17:20:16,451 INFO L137 encePairwiseOnDemand]: 184/189 looper letters, 0 selfloop transitions, 0 changer transitions 180/180 dead transitions. [2022-11-21 17:20:16,452 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 180 transitions, 551 flow [2022-11-21 17:20:16,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:20:16,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 17:20:16,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1013 transitions. [2022-11-21 17:20:16,455 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8932980599647267 [2022-11-21 17:20:16,455 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1013 transitions. [2022-11-21 17:20:16,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1013 transitions. [2022-11-21 17:20:16,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:20:16,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1013 transitions. [2022-11-21 17:20:16,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 168.83333333333334) internal successors, (1013), 6 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:16,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 189.0) internal successors, (1323), 7 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:16,461 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 189.0) internal successors, (1323), 7 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:16,461 INFO L175 Difference]: Start difference. First operand has 171 places, 181 transitions, 533 flow. Second operand 6 states and 1013 transitions. [2022-11-21 17:20:16,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 180 transitions, 551 flow [2022-11-21 17:20:16,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 180 transitions, 529 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 17:20:16,465 INFO L231 Difference]: Finished difference. Result has 174 places, 0 transitions, 0 flow [2022-11-21 17:20:16,465 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=509, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=174, PETRI_TRANSITIONS=0} [2022-11-21 17:20:16,466 INFO L288 CegarLoopForPetriNet]: 180 programPoint places, -6 predicate places. [2022-11-21 17:20:16,466 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 0 transitions, 0 flow [2022-11-21 17:20:16,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 168.66666666666666) internal successors, (1012), 6 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:20:16,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2022-11-21 17:20:16,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2022-11-21 17:20:16,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2022-11-21 17:20:16,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2022-11-21 17:20:16,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2022-11-21 17:20:16,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 22 remaining) [2022-11-21 17:20:16,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2022-11-21 17:20:16,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2022-11-21 17:20:16,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2022-11-21 17:20:16,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2022-11-21 17:20:16,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2022-11-21 17:20:16,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2022-11-21 17:20:16,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2022-11-21 17:20:16,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2022-11-21 17:20:16,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2022-11-21 17:20:16,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2022-11-21 17:20:16,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2022-11-21 17:20:16,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2022-11-21 17:20:16,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2022-11-21 17:20:16,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2022-11-21 17:20:16,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2022-11-21 17:20:16,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2022-11-21 17:20:16,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 17:20:16,475 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:20:16,480 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 17:20:16,480 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:20:16,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:20:16 BasicIcfg [2022-11-21 17:20:16,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:20:16,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:20:16,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:20:16,487 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:20:16,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:20:11" (3/4) ... [2022-11-21 17:20:16,490 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 17:20:16,496 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-21 17:20:16,500 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-21 17:20:16,501 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 17:20:16,501 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 17:20:16,501 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 17:20:16,538 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:20:16,538 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:20:16,539 INFO L158 Benchmark]: Toolchain (without parser) took 6606.99ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 96.4MB in the beginning and 119.0MB in the end (delta: -22.6MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2022-11-21 17:20:16,539 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:20:16,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.71ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 76.0MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 17:20:16,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.96ms. Allocated memory is still 142.6MB. Free memory was 76.0MB in the beginning and 73.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:20:16,540 INFO L158 Benchmark]: Boogie Preprocessor took 34.78ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 72.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:20:16,540 INFO L158 Benchmark]: RCFGBuilder took 712.33ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 72.1MB in the beginning and 145.6MB in the end (delta: -73.5MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-11-21 17:20:16,541 INFO L158 Benchmark]: TraceAbstraction took 5145.54ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 145.4MB in the beginning and 122.2MB in the end (delta: 23.3MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2022-11-21 17:20:16,541 INFO L158 Benchmark]: Witness Printer took 51.87ms. Allocated memory is still 226.5MB. Free memory was 122.2MB in the beginning and 119.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:20:16,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 586.71ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 76.0MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.96ms. Allocated memory is still 142.6MB. Free memory was 76.0MB in the beginning and 73.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.78ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 72.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 712.33ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 72.1MB in the beginning and 145.6MB in the end (delta: -73.5MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5145.54ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 145.4MB in the beginning and 122.2MB in the end (delta: 23.3MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. * Witness Printer took 51.87ms. Allocated memory is still 226.5MB. Free memory was 122.2MB in the beginning and 119.0MB 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: - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 253 locations, 22 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: 5.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 130 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 312 IncrementalHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 129 mSDtfsCounter, 312 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=535occurred in iteration=7, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 657 NumberOfCodeBlocks, 657 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 648 ConstructedInterpolants, 0 QuantifiedInterpolants, 881 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 17:20:16,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ec7bc44-8658-4e83-8bc0-add5025d28f9/bin/uautomizer-vX5HgA9Q3a/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