./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0307f20ae0363cc6fed70ae0937c5000167639ab486b68a523e3313ccdd28e28 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:41:18,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:41:18,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:41:18,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:41:18,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:41:18,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:41:18,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:41:18,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:41:18,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:41:18,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:41:18,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:41:18,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:41:18,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:41:18,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:41:18,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:41:18,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:41:18,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:41:18,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:41:18,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:41:18,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:41:18,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:41:18,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:41:18,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:41:18,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:41:18,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:41:18,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:41:18,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:41:18,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:41:18,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:41:18,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:41:18,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:41:18,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:41:18,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:41:18,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:41:18,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:41:18,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:41:18,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:41:18,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:41:18,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:41:18,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:41:18,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:41:18,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 16:41:18,837 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:41:18,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:41:18,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:41:18,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:41:18,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:41:18,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:41:18,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:41:18,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:41:18,839 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:41:18,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:41:18,839 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:41:18,840 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:41:18,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:41:18,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:41:18,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:41:18,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:41:18,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:41:18,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:41:18,841 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 16:41:18,841 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:41:18,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:41:18,841 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:41:18,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:41:18,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:41:18,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:41:18,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:41:18,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:41:18,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:41:18,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:41:18,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:41:18,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:41:18,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:41:18,843 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:41:18,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:41:18,843 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:41:18,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:41:18,844 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:41:18,844 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0307f20ae0363cc6fed70ae0937c5000167639ab486b68a523e3313ccdd28e28 [2022-12-13 16:41:19,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:41:19,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:41:19,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:41:19,078 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:41:19,079 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:41:19,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2022-12-13 16:41:21,584 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:41:21,739 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:41:21,739 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2022-12-13 16:41:21,744 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8/data/04cf2baeb/543663a7364d400e91b3287025cc1176/FLAG3dea861cd [2022-12-13 16:41:22,161 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8/data/04cf2baeb/543663a7364d400e91b3287025cc1176 [2022-12-13 16:41:22,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:41:22,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:41:22,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:41:22,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:41:22,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:41:22,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:41:22" (1/1) ... [2022-12-13 16:41:22,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@185d43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:41:22, skipping insertion in model container [2022-12-13 16:41:22,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:41:22" (1/1) ... [2022-12-13 16:41:22,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:41:22,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:41:22,306 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_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c[2396,2409] [2022-12-13 16:41:22,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:41:22,316 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:41:22,334 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_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c[2396,2409] [2022-12-13 16:41:22,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:41:22,346 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:41:22,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:41:22 WrapperNode [2022-12-13 16:41:22,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:41:22,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:41:22,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:41:22,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:41:22,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:41:22" (1/1) ... [2022-12-13 16:41:22,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:41:22" (1/1) ... [2022-12-13 16:41:22,375 INFO L138 Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 154 [2022-12-13 16:41:22,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:41:22,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:41:22,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:41:22,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:41:22,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:41:22" (1/1) ... [2022-12-13 16:41:22,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:41:22" (1/1) ... [2022-12-13 16:41:22,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:41:22" (1/1) ... [2022-12-13 16:41:22,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:41:22" (1/1) ... [2022-12-13 16:41:22,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:41:22" (1/1) ... [2022-12-13 16:41:22,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:41:22" (1/1) ... [2022-12-13 16:41:22,396 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:41:22" (1/1) ... [2022-12-13 16:41:22,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:41:22" (1/1) ... [2022-12-13 16:41:22,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:41:22,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:41:22,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:41:22,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:41:22,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:41:22" (1/1) ... [2022-12-13 16:41:22,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:41:22,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:41:22,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:41:22,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:41:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:41:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:41:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 16:41:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 16:41:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 16:41:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 16:41:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 16:41:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 16:41:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 16:41:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 16:41:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:41:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 16:41:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:41:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:41:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:41:22,458 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 16:41:22,530 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:41:22,532 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:41:22,857 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:41:22,864 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:41:22,864 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 16:41:22,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:41:22 BoogieIcfgContainer [2022-12-13 16:41:22,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:41:22,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:41:22,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:41:22,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:41:22,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:41:22" (1/3) ... [2022-12-13 16:41:22,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496c24c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:41:22, skipping insertion in model container [2022-12-13 16:41:22,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:41:22" (2/3) ... [2022-12-13 16:41:22,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496c24c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:41:22, skipping insertion in model container [2022-12-13 16:41:22,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:41:22" (3/3) ... [2022-12-13 16:41:22,872 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2022-12-13 16:41:22,878 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 16:41:22,885 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:41:22,885 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-12-13 16:41:22,886 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 16:41:22,970 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 16:41:23,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 286 places, 289 transitions, 602 flow [2022-12-13 16:41:23,080 INFO L130 PetriNetUnfolder]: 13/286 cut-off events. [2022-12-13 16:41:23,081 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 16:41:23,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 286 events. 13/286 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 424 event pairs, 0 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2022-12-13 16:41:23,086 INFO L82 GeneralOperation]: Start removeDead. Operand has 286 places, 289 transitions, 602 flow [2022-12-13 16:41:23,091 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 264 places, 266 transitions, 550 flow [2022-12-13 16:41:23,094 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 16:41:23,102 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 264 places, 266 transitions, 550 flow [2022-12-13 16:41:23,104 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 264 places, 266 transitions, 550 flow [2022-12-13 16:41:23,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 264 places, 266 transitions, 550 flow [2022-12-13 16:41:23,144 INFO L130 PetriNetUnfolder]: 12/266 cut-off events. [2022-12-13 16:41:23,144 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 16:41:23,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 266 events. 12/266 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 422 event pairs, 0 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2022-12-13 16:41:23,148 INFO L119 LiptonReduction]: Number of co-enabled transitions 11298 [2022-12-13 16:41:28,439 INFO L134 LiptonReduction]: Checked pairs total: 63213 [2022-12-13 16:41:28,440 INFO L136 LiptonReduction]: Total number of compositions: 242 [2022-12-13 16:41:28,450 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:41:28,454 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;@1045d930, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:41:28,454 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2022-12-13 16:41:28,455 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 16:41:28,455 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 16:41:28,455 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:41:28,456 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 16:41:28,456 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 16:41:28,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:41:28,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1005, now seen corresponding path program 1 times [2022-12-13 16:41:28,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:41:28,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626152802] [2022-12-13 16:41:28,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:41:28,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:41:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:41:28,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:41:28,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:41:28,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626152802] [2022-12-13 16:41:28,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626152802] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:41:28,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:41:28,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 16:41:28,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124971392] [2022-12-13 16:41:28,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:41:28,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:41:28,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:41:28,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:41:28,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:41:28,559 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 531 [2022-12-13 16:41:28,561 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 208 flow. Second operand has 2 states, 2 states have (on average 274.5) internal successors, (549), 2 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:28,561 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:41:28,561 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 531 [2022-12-13 16:41:28,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:41:28,849 INFO L130 PetriNetUnfolder]: 1137/3062 cut-off events. [2022-12-13 16:41:28,850 INFO L131 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2022-12-13 16:41:28,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4734 conditions, 3062 events. 1137/3062 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 26360 event pairs, 770 based on Foata normal form. 525/2903 useless extension candidates. Maximal degree in co-relation 3998. Up to 1569 conditions per place. [2022-12-13 16:41:28,867 INFO L137 encePairwiseOnDemand]: 511/531 looper letters, 27 selfloop transitions, 0 changer transitions 1/75 dead transitions. [2022-12-13 16:41:28,867 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 75 transitions, 224 flow [2022-12-13 16:41:28,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:41:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 16:41:28,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 596 transitions. [2022-12-13 16:41:28,880 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5612052730696798 [2022-12-13 16:41:28,881 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 596 transitions. [2022-12-13 16:41:28,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 596 transitions. [2022-12-13 16:41:28,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:41:28,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 596 transitions. [2022-12-13 16:41:28,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 298.0) internal successors, (596), 2 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:28,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 531.0) internal successors, (1593), 3 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:28,895 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 531.0) internal successors, (1593), 3 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:28,897 INFO L175 Difference]: Start difference. First operand has 98 places, 95 transitions, 208 flow. Second operand 2 states and 596 transitions. [2022-12-13 16:41:28,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 75 transitions, 224 flow [2022-12-13 16:41:28,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 75 transitions, 212 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 16:41:28,903 INFO L231 Difference]: Finished difference. Result has 76 places, 74 transitions, 153 flow [2022-12-13 16:41:28,904 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=531, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=153, PETRI_PLACES=76, PETRI_TRANSITIONS=74} [2022-12-13 16:41:28,907 INFO L288 CegarLoopForPetriNet]: 98 programPoint places, -22 predicate places. [2022-12-13 16:41:28,907 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 74 transitions, 153 flow [2022-12-13 16:41:28,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 274.5) internal successors, (549), 2 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:28,908 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:41:28,908 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 16:41:28,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:41:28,908 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 16:41:28,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:41:28,909 INFO L85 PathProgramCache]: Analyzing trace with hash -194049318, now seen corresponding path program 1 times [2022-12-13 16:41:28,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:41:28,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560100047] [2022-12-13 16:41:28,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:41:28,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:41:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:41:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:41:29,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:41:29,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560100047] [2022-12-13 16:41:29,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560100047] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:41:29,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:41:29,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:41:29,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627740998] [2022-12-13 16:41:29,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:41:29,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:41:29,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:41:29,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:41:29,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:41:29,018 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 531 [2022-12-13 16:41:29,019 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 74 transitions, 153 flow. Second operand has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:29,019 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:41:29,019 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 531 [2022-12-13 16:41:29,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:41:29,280 INFO L130 PetriNetUnfolder]: 1440/3278 cut-off events. [2022-12-13 16:41:29,280 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2022-12-13 16:41:29,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5333 conditions, 3278 events. 1440/3278 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 25747 event pairs, 1067 based on Foata normal form. 0/2573 useless extension candidates. Maximal degree in co-relation 5330. Up to 2015 conditions per place. [2022-12-13 16:41:29,296 INFO L137 encePairwiseOnDemand]: 528/531 looper letters, 28 selfloop transitions, 1 changer transitions 0/72 dead transitions. [2022-12-13 16:41:29,296 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 72 transitions, 207 flow [2022-12-13 16:41:29,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:41:29,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 16:41:29,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 814 transitions. [2022-12-13 16:41:29,298 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5109855618330195 [2022-12-13 16:41:29,298 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 814 transitions. [2022-12-13 16:41:29,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 814 transitions. [2022-12-13 16:41:29,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:41:29,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 814 transitions. [2022-12-13 16:41:29,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:29,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 531.0) internal successors, (2124), 4 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:29,303 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 531.0) internal successors, (2124), 4 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:29,303 INFO L175 Difference]: Start difference. First operand has 76 places, 74 transitions, 153 flow. Second operand 3 states and 814 transitions. [2022-12-13 16:41:29,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 72 transitions, 207 flow [2022-12-13 16:41:29,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 72 transitions, 207 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 16:41:29,305 INFO L231 Difference]: Finished difference. Result has 75 places, 72 transitions, 151 flow [2022-12-13 16:41:29,305 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=531, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=75, PETRI_TRANSITIONS=72} [2022-12-13 16:41:29,306 INFO L288 CegarLoopForPetriNet]: 98 programPoint places, -23 predicate places. [2022-12-13 16:41:29,306 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 72 transitions, 151 flow [2022-12-13 16:41:29,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:29,307 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:41:29,307 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:41:29,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:41:29,307 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 16:41:29,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:41:29,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1797579568, now seen corresponding path program 1 times [2022-12-13 16:41:29,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:41:29,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094630955] [2022-12-13 16:41:29,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:41:29,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:41:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:41:29,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:41:29,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:41:29,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094630955] [2022-12-13 16:41:29,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094630955] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:41:29,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:41:29,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:41:29,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985428862] [2022-12-13 16:41:29,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:41:29,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:41:29,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:41:29,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:41:29,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:41:29,385 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 531 [2022-12-13 16:41:29,386 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 72 transitions, 151 flow. Second operand has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:29,386 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:41:29,386 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 531 [2022-12-13 16:41:29,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:41:29,711 INFO L130 PetriNetUnfolder]: 2065/4331 cut-off events. [2022-12-13 16:41:29,711 INFO L131 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2022-12-13 16:41:29,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7264 conditions, 4331 events. 2065/4331 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 34260 event pairs, 417 based on Foata normal form. 0/3564 useless extension candidates. Maximal degree in co-relation 7260. Up to 2561 conditions per place. [2022-12-13 16:41:29,738 INFO L137 encePairwiseOnDemand]: 525/531 looper letters, 46 selfloop transitions, 3 changer transitions 0/88 dead transitions. [2022-12-13 16:41:29,738 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 88 transitions, 285 flow [2022-12-13 16:41:29,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:41:29,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 16:41:29,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 844 transitions. [2022-12-13 16:41:29,741 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5298179535467671 [2022-12-13 16:41:29,741 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 844 transitions. [2022-12-13 16:41:29,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 844 transitions. [2022-12-13 16:41:29,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:41:29,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 844 transitions. [2022-12-13 16:41:29,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:29,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 531.0) internal successors, (2124), 4 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:29,748 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 531.0) internal successors, (2124), 4 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:29,748 INFO L175 Difference]: Start difference. First operand has 75 places, 72 transitions, 151 flow. Second operand 3 states and 844 transitions. [2022-12-13 16:41:29,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 88 transitions, 285 flow [2022-12-13 16:41:29,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 88 transitions, 284 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 16:41:29,750 INFO L231 Difference]: Finished difference. Result has 74 places, 72 transitions, 165 flow [2022-12-13 16:41:29,751 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=531, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=165, PETRI_PLACES=74, PETRI_TRANSITIONS=72} [2022-12-13 16:41:29,751 INFO L288 CegarLoopForPetriNet]: 98 programPoint places, -24 predicate places. [2022-12-13 16:41:29,751 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 72 transitions, 165 flow [2022-12-13 16:41:29,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:29,752 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:41:29,752 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:41:29,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 16:41:29,753 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 16:41:29,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:41:29,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1538094324, now seen corresponding path program 1 times [2022-12-13 16:41:29,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:41:29,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848573107] [2022-12-13 16:41:29,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:41:29,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:41:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:41:29,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:41:29,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:41:29,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848573107] [2022-12-13 16:41:29,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848573107] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:41:29,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:41:29,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:41:29,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838326039] [2022-12-13 16:41:29,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:41:29,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:41:29,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:41:29,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:41:29,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:41:29,815 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 531 [2022-12-13 16:41:29,816 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 72 transitions, 165 flow. Second operand has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:29,816 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:41:29,816 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 531 [2022-12-13 16:41:29,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:41:30,128 INFO L130 PetriNetUnfolder]: 1882/4091 cut-off events. [2022-12-13 16:41:30,128 INFO L131 PetriNetUnfolder]: For 317/317 co-relation queries the response was YES. [2022-12-13 16:41:30,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7335 conditions, 4091 events. 1882/4091 cut-off events. For 317/317 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 32124 event pairs, 1347 based on Foata normal form. 0/3347 useless extension candidates. Maximal degree in co-relation 7331. Up to 2662 conditions per place. [2022-12-13 16:41:30,158 INFO L137 encePairwiseOnDemand]: 528/531 looper letters, 31 selfloop transitions, 1 changer transitions 0/70 dead transitions. [2022-12-13 16:41:30,159 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 70 transitions, 225 flow [2022-12-13 16:41:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:41:30,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 16:41:30,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 814 transitions. [2022-12-13 16:41:30,161 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5109855618330195 [2022-12-13 16:41:30,161 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 814 transitions. [2022-12-13 16:41:30,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 814 transitions. [2022-12-13 16:41:30,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:41:30,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 814 transitions. [2022-12-13 16:41:30,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:30,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 531.0) internal successors, (2124), 4 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:30,168 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 531.0) internal successors, (2124), 4 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:30,169 INFO L175 Difference]: Start difference. First operand has 74 places, 72 transitions, 165 flow. Second operand 3 states and 814 transitions. [2022-12-13 16:41:30,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 70 transitions, 225 flow [2022-12-13 16:41:30,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 70 transitions, 225 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 16:41:30,170 INFO L231 Difference]: Finished difference. Result has 74 places, 70 transitions, 163 flow [2022-12-13 16:41:30,171 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=531, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=163, PETRI_PLACES=74, PETRI_TRANSITIONS=70} [2022-12-13 16:41:30,171 INFO L288 CegarLoopForPetriNet]: 98 programPoint places, -24 predicate places. [2022-12-13 16:41:30,172 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 70 transitions, 163 flow [2022-12-13 16:41:30,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:30,172 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:41:30,172 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:41:30,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 16:41:30,173 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 16:41:30,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:41:30,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1856060448, now seen corresponding path program 1 times [2022-12-13 16:41:30,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:41:30,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120760428] [2022-12-13 16:41:30,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:41:30,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:41:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:41:30,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:41:30,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:41:30,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120760428] [2022-12-13 16:41:30,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120760428] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:41:30,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:41:30,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 16:41:30,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469677313] [2022-12-13 16:41:30,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:41:30,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:41:30,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:41:30,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:41:30,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:41:30,750 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 531 [2022-12-13 16:41:30,753 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 70 transitions, 163 flow. Second operand has 6 states, 6 states have (on average 263.0) internal successors, (1578), 6 states have internal predecessors, (1578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:30,753 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:41:30,753 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 531 [2022-12-13 16:41:30,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:41:31,237 INFO L130 PetriNetUnfolder]: 3857/5904 cut-off events. [2022-12-13 16:41:31,238 INFO L131 PetriNetUnfolder]: For 732/732 co-relation queries the response was YES. [2022-12-13 16:41:31,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12117 conditions, 5904 events. 3857/5904 cut-off events. For 732/732 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 38187 event pairs, 344 based on Foata normal form. 0/4565 useless extension candidates. Maximal degree in co-relation 12112. Up to 1900 conditions per place. [2022-12-13 16:41:31,263 INFO L137 encePairwiseOnDemand]: 526/531 looper letters, 98 selfloop transitions, 4 changer transitions 0/137 dead transitions. [2022-12-13 16:41:31,263 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 137 transitions, 561 flow [2022-12-13 16:41:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:41:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 16:41:31,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1654 transitions. [2022-12-13 16:41:31,267 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5191462649089768 [2022-12-13 16:41:31,267 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1654 transitions. [2022-12-13 16:41:31,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1654 transitions. [2022-12-13 16:41:31,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:41:31,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1654 transitions. [2022-12-13 16:41:31,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 275.6666666666667) internal successors, (1654), 6 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:31,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 531.0) internal successors, (3717), 7 states have internal predecessors, (3717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:31,276 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 531.0) internal successors, (3717), 7 states have internal predecessors, (3717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:31,276 INFO L175 Difference]: Start difference. First operand has 74 places, 70 transitions, 163 flow. Second operand 6 states and 1654 transitions. [2022-12-13 16:41:31,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 137 transitions, 561 flow [2022-12-13 16:41:31,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 137 transitions, 560 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 16:41:31,279 INFO L231 Difference]: Finished difference. Result has 77 places, 69 transitions, 168 flow [2022-12-13 16:41:31,279 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=531, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=168, PETRI_PLACES=77, PETRI_TRANSITIONS=69} [2022-12-13 16:41:31,279 INFO L288 CegarLoopForPetriNet]: 98 programPoint places, -21 predicate places. [2022-12-13 16:41:31,279 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 69 transitions, 168 flow [2022-12-13 16:41:31,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 263.0) internal successors, (1578), 6 states have internal predecessors, (1578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:31,280 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:41:31,280 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:41:31,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 16:41:31,280 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 16:41:31,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:41:31,281 INFO L85 PathProgramCache]: Analyzing trace with hash 372566612, now seen corresponding path program 1 times [2022-12-13 16:41:31,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:41:31,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813079650] [2022-12-13 16:41:31,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:41:31,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:41:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:41:31,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:41:31,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:41:31,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813079650] [2022-12-13 16:41:31,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813079650] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:41:31,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:41:31,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 16:41:31,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400930746] [2022-12-13 16:41:31,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:41:31,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:41:31,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:41:31,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:41:31,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:41:31,761 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 531 [2022-12-13 16:41:31,762 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 69 transitions, 168 flow. Second operand has 6 states, 6 states have (on average 261.8333333333333) internal successors, (1571), 6 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:31,762 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:41:31,762 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 531 [2022-12-13 16:41:31,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:41:32,156 INFO L130 PetriNetUnfolder]: 2157/4375 cut-off events. [2022-12-13 16:41:32,156 INFO L131 PetriNetUnfolder]: For 666/666 co-relation queries the response was YES. [2022-12-13 16:41:32,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8544 conditions, 4375 events. 2157/4375 cut-off events. For 666/666 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 33561 event pairs, 958 based on Foata normal form. 0/3677 useless extension candidates. Maximal degree in co-relation 8539. Up to 2002 conditions per place. [2022-12-13 16:41:32,172 INFO L137 encePairwiseOnDemand]: 525/531 looper letters, 90 selfloop transitions, 5 changer transitions 0/128 dead transitions. [2022-12-13 16:41:32,172 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 128 transitions, 508 flow [2022-12-13 16:41:32,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:41:32,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 16:41:32,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1653 transitions. [2022-12-13 16:41:32,175 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5188323917137476 [2022-12-13 16:41:32,176 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1653 transitions. [2022-12-13 16:41:32,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1653 transitions. [2022-12-13 16:41:32,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:41:32,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1653 transitions. [2022-12-13 16:41:32,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 275.5) internal successors, (1653), 6 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:32,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 531.0) internal successors, (3717), 7 states have internal predecessors, (3717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:32,184 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 531.0) internal successors, (3717), 7 states have internal predecessors, (3717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:32,184 INFO L175 Difference]: Start difference. First operand has 77 places, 69 transitions, 168 flow. Second operand 6 states and 1653 transitions. [2022-12-13 16:41:32,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 128 transitions, 508 flow [2022-12-13 16:41:32,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 128 transitions, 493 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 16:41:32,190 INFO L231 Difference]: Finished difference. Result has 77 places, 68 transitions, 169 flow [2022-12-13 16:41:32,190 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=531, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=169, PETRI_PLACES=77, PETRI_TRANSITIONS=68} [2022-12-13 16:41:32,191 INFO L288 CegarLoopForPetriNet]: 98 programPoint places, -21 predicate places. [2022-12-13 16:41:32,191 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 68 transitions, 169 flow [2022-12-13 16:41:32,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 261.8333333333333) internal successors, (1571), 6 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:32,192 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:41:32,192 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:41:32,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 16:41:32,193 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 16:41:32,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:41:32,193 INFO L85 PathProgramCache]: Analyzing trace with hash 131756018, now seen corresponding path program 1 times [2022-12-13 16:41:32,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:41:32,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646281219] [2022-12-13 16:41:32,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:41:32,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:41:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:41:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:41:32,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:41:32,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646281219] [2022-12-13 16:41:32,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646281219] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:41:32,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:41:32,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:41:32,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3943614] [2022-12-13 16:41:32,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:41:32,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:41:32,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:41:32,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:41:32,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:41:32,358 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 531 [2022-12-13 16:41:32,360 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 68 transitions, 169 flow. Second operand has 5 states, 5 states have (on average 265.6) internal successors, (1328), 5 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:32,361 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:41:32,361 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 531 [2022-12-13 16:41:32,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:41:32,752 INFO L130 PetriNetUnfolder]: 2183/5009 cut-off events. [2022-12-13 16:41:32,752 INFO L131 PetriNetUnfolder]: For 473/493 co-relation queries the response was YES. [2022-12-13 16:41:32,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9175 conditions, 5009 events. 2183/5009 cut-off events. For 473/493 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 43371 event pairs, 1112 based on Foata normal form. 10/4209 useless extension candidates. Maximal degree in co-relation 9170. Up to 2010 conditions per place. [2022-12-13 16:41:32,769 INFO L137 encePairwiseOnDemand]: 526/531 looper letters, 70 selfloop transitions, 4 changer transitions 0/111 dead transitions. [2022-12-13 16:41:32,769 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 111 transitions, 435 flow [2022-12-13 16:41:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 16:41:32,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 16:41:32,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1388 transitions. [2022-12-13 16:41:32,785 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5227871939736346 [2022-12-13 16:41:32,785 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1388 transitions. [2022-12-13 16:41:32,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1388 transitions. [2022-12-13 16:41:32,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:41:32,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1388 transitions. [2022-12-13 16:41:32,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 277.6) internal successors, (1388), 5 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:32,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 531.0) internal successors, (3186), 6 states have internal predecessors, (3186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:32,794 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 531.0) internal successors, (3186), 6 states have internal predecessors, (3186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:32,795 INFO L175 Difference]: Start difference. First operand has 77 places, 68 transitions, 169 flow. Second operand 5 states and 1388 transitions. [2022-12-13 16:41:32,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 111 transitions, 435 flow [2022-12-13 16:41:32,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 111 transitions, 421 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 16:41:32,797 INFO L231 Difference]: Finished difference. Result has 79 places, 71 transitions, 188 flow [2022-12-13 16:41:32,798 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=531, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=188, PETRI_PLACES=79, PETRI_TRANSITIONS=71} [2022-12-13 16:41:32,798 INFO L288 CegarLoopForPetriNet]: 98 programPoint places, -19 predicate places. [2022-12-13 16:41:32,798 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 71 transitions, 188 flow [2022-12-13 16:41:32,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 265.6) internal successors, (1328), 5 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:32,799 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:41:32,799 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:41:32,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 16:41:32,800 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 16:41:32,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:41:32,800 INFO L85 PathProgramCache]: Analyzing trace with hash 32334043, now seen corresponding path program 1 times [2022-12-13 16:41:32,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:41:32,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281423780] [2022-12-13 16:41:32,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:41:32,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:41:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:41:33,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 16:41:33,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:41:33,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281423780] [2022-12-13 16:41:33,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281423780] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:41:33,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:41:33,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 16:41:33,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276176046] [2022-12-13 16:41:33,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:41:33,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:41:33,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:41:33,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:41:33,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:41:33,338 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 531 [2022-12-13 16:41:33,340 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 71 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 262.3333333333333) internal successors, (1574), 6 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:33,340 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:41:33,340 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 531 [2022-12-13 16:41:33,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:41:33,970 INFO L130 PetriNetUnfolder]: 3015/6241 cut-off events. [2022-12-13 16:41:33,970 INFO L131 PetriNetUnfolder]: For 1105/1105 co-relation queries the response was YES. [2022-12-13 16:41:33,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12041 conditions, 6241 events. 3015/6241 cut-off events. For 1105/1105 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 52547 event pairs, 1590 based on Foata normal form. 0/5374 useless extension candidates. Maximal degree in co-relation 12033. Up to 3162 conditions per place. [2022-12-13 16:41:33,989 INFO L137 encePairwiseOnDemand]: 525/531 looper letters, 93 selfloop transitions, 5 changer transitions 0/130 dead transitions. [2022-12-13 16:41:33,989 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 130 transitions, 526 flow [2022-12-13 16:41:33,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:41:33,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 16:41:33,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1653 transitions. [2022-12-13 16:41:33,992 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5188323917137476 [2022-12-13 16:41:33,992 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1653 transitions. [2022-12-13 16:41:33,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1653 transitions. [2022-12-13 16:41:33,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:41:33,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1653 transitions. [2022-12-13 16:41:33,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 275.5) internal successors, (1653), 6 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:34,012 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 531.0) internal successors, (3717), 7 states have internal predecessors, (3717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:34,012 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 531.0) internal successors, (3717), 7 states have internal predecessors, (3717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:34,012 INFO L175 Difference]: Start difference. First operand has 79 places, 71 transitions, 188 flow. Second operand 6 states and 1653 transitions. [2022-12-13 16:41:34,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 130 transitions, 526 flow [2022-12-13 16:41:34,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 130 transitions, 522 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 16:41:34,015 INFO L231 Difference]: Finished difference. Result has 82 places, 70 transitions, 192 flow [2022-12-13 16:41:34,015 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=531, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=192, PETRI_PLACES=82, PETRI_TRANSITIONS=70} [2022-12-13 16:41:34,015 INFO L288 CegarLoopForPetriNet]: 98 programPoint places, -16 predicate places. [2022-12-13 16:41:34,015 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 70 transitions, 192 flow [2022-12-13 16:41:34,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 262.3333333333333) internal successors, (1574), 6 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:34,016 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:41:34,016 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:41:34,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 16:41:34,016 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 16:41:34,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:41:34,016 INFO L85 PathProgramCache]: Analyzing trace with hash -550433506, now seen corresponding path program 1 times [2022-12-13 16:41:34,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:41:34,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450779642] [2022-12-13 16:41:34,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:41:34,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:41:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:41:34,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:41:34,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:41:34,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450779642] [2022-12-13 16:41:34,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450779642] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:41:34,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:41:34,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:41:34,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25976963] [2022-12-13 16:41:34,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:41:34,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:41:34,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:41:34,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:41:34,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:41:34,199 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 531 [2022-12-13 16:41:34,201 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 70 transitions, 192 flow. Second operand has 5 states, 5 states have (on average 265.2) internal successors, (1326), 5 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:34,201 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:41:34,201 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 531 [2022-12-13 16:41:34,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:41:34,577 INFO L130 PetriNetUnfolder]: 1638/3707 cut-off events. [2022-12-13 16:41:34,577 INFO L131 PetriNetUnfolder]: For 518/579 co-relation queries the response was YES. [2022-12-13 16:41:34,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7132 conditions, 3707 events. 1638/3707 cut-off events. For 518/579 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 29521 event pairs, 829 based on Foata normal form. 61/3291 useless extension candidates. Maximal degree in co-relation 7124. Up to 1646 conditions per place. [2022-12-13 16:41:34,588 INFO L137 encePairwiseOnDemand]: 525/531 looper letters, 71 selfloop transitions, 5 changer transitions 0/114 dead transitions. [2022-12-13 16:41:34,588 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 114 transitions, 465 flow [2022-12-13 16:41:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:41:34,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 16:41:34,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1648 transitions. [2022-12-13 16:41:34,590 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.517263025737602 [2022-12-13 16:41:34,591 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1648 transitions. [2022-12-13 16:41:34,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1648 transitions. [2022-12-13 16:41:34,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:41:34,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1648 transitions. [2022-12-13 16:41:34,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 274.6666666666667) internal successors, (1648), 6 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:34,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 531.0) internal successors, (3717), 7 states have internal predecessors, (3717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:34,596 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 531.0) internal successors, (3717), 7 states have internal predecessors, (3717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:34,596 INFO L175 Difference]: Start difference. First operand has 82 places, 70 transitions, 192 flow. Second operand 6 states and 1648 transitions. [2022-12-13 16:41:34,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 114 transitions, 465 flow [2022-12-13 16:41:34,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 114 transitions, 453 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 16:41:34,599 INFO L231 Difference]: Finished difference. Result has 85 places, 72 transitions, 208 flow [2022-12-13 16:41:34,599 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=531, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=208, PETRI_PLACES=85, PETRI_TRANSITIONS=72} [2022-12-13 16:41:34,599 INFO L288 CegarLoopForPetriNet]: 98 programPoint places, -13 predicate places. [2022-12-13 16:41:34,600 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 72 transitions, 208 flow [2022-12-13 16:41:34,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 265.2) internal successors, (1326), 5 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:34,600 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:41:34,600 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:41:34,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 16:41:34,600 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 16:41:34,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:41:34,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1605670969, now seen corresponding path program 1 times [2022-12-13 16:41:34,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:41:34,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003952633] [2022-12-13 16:41:34,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:41:34,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:41:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:41:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 16:41:34,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:41:34,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003952633] [2022-12-13 16:41:34,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003952633] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:41:34,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:41:34,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 16:41:34,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17698804] [2022-12-13 16:41:34,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:41:34,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:41:34,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:41:34,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:41:34,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:41:35,087 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 531 [2022-12-13 16:41:35,089 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 72 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 262.6666666666667) internal successors, (1576), 6 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:35,089 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:41:35,089 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 531 [2022-12-13 16:41:35,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:41:35,611 INFO L130 PetriNetUnfolder]: 2145/4435 cut-off events. [2022-12-13 16:41:35,611 INFO L131 PetriNetUnfolder]: For 1095/1156 co-relation queries the response was YES. [2022-12-13 16:41:35,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8956 conditions, 4435 events. 2145/4435 cut-off events. For 1095/1156 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 34957 event pairs, 1012 based on Foata normal form. 61/4020 useless extension candidates. Maximal degree in co-relation 8946. Up to 2128 conditions per place. [2022-12-13 16:41:35,627 INFO L137 encePairwiseOnDemand]: 525/531 looper letters, 84 selfloop transitions, 5 changer transitions 0/123 dead transitions. [2022-12-13 16:41:35,627 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 123 transitions, 520 flow [2022-12-13 16:41:35,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:41:35,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 16:41:35,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1643 transitions. [2022-12-13 16:41:35,629 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5156936597614564 [2022-12-13 16:41:35,630 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1643 transitions. [2022-12-13 16:41:35,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1643 transitions. [2022-12-13 16:41:35,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:41:35,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1643 transitions. [2022-12-13 16:41:35,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 273.8333333333333) internal successors, (1643), 6 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:35,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 531.0) internal successors, (3717), 7 states have internal predecessors, (3717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:35,635 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 531.0) internal successors, (3717), 7 states have internal predecessors, (3717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:35,635 INFO L175 Difference]: Start difference. First operand has 85 places, 72 transitions, 208 flow. Second operand 6 states and 1643 transitions. [2022-12-13 16:41:35,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 123 transitions, 520 flow [2022-12-13 16:41:35,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 123 transitions, 517 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 16:41:35,638 INFO L231 Difference]: Finished difference. Result has 88 places, 71 transitions, 213 flow [2022-12-13 16:41:35,638 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=531, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=213, PETRI_PLACES=88, PETRI_TRANSITIONS=71} [2022-12-13 16:41:35,639 INFO L288 CegarLoopForPetriNet]: 98 programPoint places, -10 predicate places. [2022-12-13 16:41:35,639 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 71 transitions, 213 flow [2022-12-13 16:41:35,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 262.6666666666667) internal successors, (1576), 6 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:35,639 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:41:35,639 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] [2022-12-13 16:41:35,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 16:41:35,639 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 16:41:35,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:41:35,640 INFO L85 PathProgramCache]: Analyzing trace with hash 524124529, now seen corresponding path program 1 times [2022-12-13 16:41:35,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:41:35,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52368715] [2022-12-13 16:41:35,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:41:35,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:41:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:41:35,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:41:35,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:41:35,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52368715] [2022-12-13 16:41:35,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52368715] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:41:35,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:41:35,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 16:41:35,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968226571] [2022-12-13 16:41:35,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:41:35,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:41:35,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:41:35,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:41:35,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:41:36,044 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 531 [2022-12-13 16:41:36,046 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 71 transitions, 213 flow. Second operand has 6 states, 6 states have (on average 263.5) internal successors, (1581), 6 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:36,046 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:41:36,046 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 531 [2022-12-13 16:41:36,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:41:36,409 INFO L130 PetriNetUnfolder]: 2054/4299 cut-off events. [2022-12-13 16:41:36,409 INFO L131 PetriNetUnfolder]: For 1318/1403 co-relation queries the response was YES. [2022-12-13 16:41:36,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9290 conditions, 4299 events. 2054/4299 cut-off events. For 1318/1403 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 34210 event pairs, 1017 based on Foata normal form. 85/4005 useless extension candidates. Maximal degree in co-relation 9279. Up to 2141 conditions per place. [2022-12-13 16:41:36,425 INFO L137 encePairwiseOnDemand]: 526/531 looper letters, 90 selfloop transitions, 4 changer transitions 0/126 dead transitions. [2022-12-13 16:41:36,425 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 126 transitions, 627 flow [2022-12-13 16:41:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:41:36,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 16:41:36,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1638 transitions. [2022-12-13 16:41:36,431 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5141242937853108 [2022-12-13 16:41:36,431 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1638 transitions. [2022-12-13 16:41:36,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1638 transitions. [2022-12-13 16:41:36,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:41:36,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1638 transitions. [2022-12-13 16:41:36,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 273.0) internal successors, (1638), 6 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:36,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 531.0) internal successors, (3717), 7 states have internal predecessors, (3717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:36,442 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 531.0) internal successors, (3717), 7 states have internal predecessors, (3717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:36,442 INFO L175 Difference]: Start difference. First operand has 88 places, 71 transitions, 213 flow. Second operand 6 states and 1638 transitions. [2022-12-13 16:41:36,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 126 transitions, 627 flow [2022-12-13 16:41:36,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 126 transitions, 601 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 16:41:36,449 INFO L231 Difference]: Finished difference. Result has 87 places, 70 transitions, 209 flow [2022-12-13 16:41:36,450 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=531, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=209, PETRI_PLACES=87, PETRI_TRANSITIONS=70} [2022-12-13 16:41:36,450 INFO L288 CegarLoopForPetriNet]: 98 programPoint places, -11 predicate places. [2022-12-13 16:41:36,450 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 70 transitions, 209 flow [2022-12-13 16:41:36,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 263.5) internal successors, (1581), 6 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:36,451 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:41:36,451 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:41:36,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 16:41:36,451 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 16:41:36,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:41:36,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1098108250, now seen corresponding path program 1 times [2022-12-13 16:41:36,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:41:36,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055470649] [2022-12-13 16:41:36,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:41:36,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:41:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:41:36,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:41:36,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:41:36,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055470649] [2022-12-13 16:41:36,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055470649] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:41:36,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:41:36,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 16:41:36,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137552132] [2022-12-13 16:41:36,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:41:36,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:41:36,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:41:36,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:41:36,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:41:36,904 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 531 [2022-12-13 16:41:36,905 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 70 transitions, 209 flow. Second operand has 6 states, 6 states have (on average 264.0) internal successors, (1584), 6 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:36,905 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:41:36,905 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 531 [2022-12-13 16:41:36,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:41:37,254 INFO L130 PetriNetUnfolder]: 1694/3915 cut-off events. [2022-12-13 16:41:37,255 INFO L131 PetriNetUnfolder]: For 1030/1091 co-relation queries the response was YES. [2022-12-13 16:41:37,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7997 conditions, 3915 events. 1694/3915 cut-off events. For 1030/1091 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 32380 event pairs, 1107 based on Foata normal form. 61/3614 useless extension candidates. Maximal degree in co-relation 7986. Up to 2329 conditions per place. [2022-12-13 16:41:37,262 INFO L137 encePairwiseOnDemand]: 526/531 looper letters, 0 selfloop transitions, 0 changer transitions 105/105 dead transitions. [2022-12-13 16:41:37,262 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 105 transitions, 499 flow [2022-12-13 16:41:37,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:41:37,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 16:41:37,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1622 transitions. [2022-12-13 16:41:37,264 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5091023226616447 [2022-12-13 16:41:37,265 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1622 transitions. [2022-12-13 16:41:37,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1622 transitions. [2022-12-13 16:41:37,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:41:37,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1622 transitions. [2022-12-13 16:41:37,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 270.3333333333333) internal successors, (1622), 6 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:37,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 531.0) internal successors, (3717), 7 states have internal predecessors, (3717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:37,269 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 531.0) internal successors, (3717), 7 states have internal predecessors, (3717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:37,269 INFO L175 Difference]: Start difference. First operand has 87 places, 70 transitions, 209 flow. Second operand 6 states and 1622 transitions. [2022-12-13 16:41:37,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 105 transitions, 499 flow [2022-12-13 16:41:37,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 105 transitions, 492 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 16:41:37,273 INFO L231 Difference]: Finished difference. Result has 87 places, 0 transitions, 0 flow [2022-12-13 16:41:37,273 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=531, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=87, PETRI_TRANSITIONS=0} [2022-12-13 16:41:37,273 INFO L288 CegarLoopForPetriNet]: 98 programPoint places, -11 predicate places. [2022-12-13 16:41:37,273 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 0 transitions, 0 flow [2022-12-13 16:41:37,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 264.0) internal successors, (1584), 6 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:41:37,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 49 remaining) [2022-12-13 16:41:37,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2022-12-13 16:41:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2022-12-13 16:41:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2022-12-13 16:41:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2022-12-13 16:41:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2022-12-13 16:41:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2022-12-13 16:41:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2022-12-13 16:41:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2022-12-13 16:41:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2022-12-13 16:41:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2022-12-13 16:41:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2022-12-13 16:41:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2022-12-13 16:41:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2022-12-13 16:41:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2022-12-13 16:41:37,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2022-12-13 16:41:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2022-12-13 16:41:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2022-12-13 16:41:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2022-12-13 16:41:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2022-12-13 16:41:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2022-12-13 16:41:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2022-12-13 16:41:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2022-12-13 16:41:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2022-12-13 16:41:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2022-12-13 16:41:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2022-12-13 16:41:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2022-12-13 16:41:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining) [2022-12-13 16:41:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (20 of 49 remaining) [2022-12-13 16:41:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining) [2022-12-13 16:41:37,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2022-12-13 16:41:37,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2022-12-13 16:41:37,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2022-12-13 16:41:37,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2022-12-13 16:41:37,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 16:41:37,279 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:41:37,283 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 16:41:37,283 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:41:37,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:41:37 BasicIcfg [2022-12-13 16:41:37,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:41:37,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:41:37,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:41:37,286 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:41:37,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:41:22" (3/4) ... [2022-12-13 16:41:37,288 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 16:41:37,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 16:41:37,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 16:41:37,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 16:41:37,295 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-13 16:41:37,295 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 16:41:37,295 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 16:41:37,296 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 16:41:37,322 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:41:37,322 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:41:37,323 INFO L158 Benchmark]: Toolchain (without parser) took 15157.10ms. Allocated memory was 138.4MB in the beginning and 618.7MB in the end (delta: 480.2MB). Free memory was 102.7MB in the beginning and 158.8MB in the end (delta: -56.2MB). Peak memory consumption was 426.5MB. Max. memory is 16.1GB. [2022-12-13 16:41:37,323 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory was 111.4MB in the beginning and 111.3MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:41:37,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.07ms. Allocated memory is still 138.4MB. Free memory was 102.3MB in the beginning and 90.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 16:41:37,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.26ms. Allocated memory is still 138.4MB. Free memory was 90.1MB in the beginning and 88.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:41:37,323 INFO L158 Benchmark]: Boogie Preprocessor took 23.60ms. Allocated memory is still 138.4MB. Free memory was 88.0MB in the beginning and 85.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:41:37,324 INFO L158 Benchmark]: RCFGBuilder took 465.85ms. Allocated memory is still 138.4MB. Free memory was 85.9MB in the beginning and 61.6MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 16:41:37,324 INFO L158 Benchmark]: TraceAbstraction took 14417.67ms. Allocated memory was 138.4MB in the beginning and 618.7MB in the end (delta: 480.2MB). Free memory was 61.2MB in the beginning and 163.0MB in the end (delta: -101.8MB). Peak memory consumption was 380.3MB. Max. memory is 16.1GB. [2022-12-13 16:41:37,324 INFO L158 Benchmark]: Witness Printer took 37.02ms. Allocated memory is still 618.7MB. Free memory was 163.0MB in the beginning and 158.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:41:37,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory was 111.4MB in the beginning and 111.3MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.07ms. Allocated memory is still 138.4MB. Free memory was 102.3MB in the beginning and 90.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.26ms. Allocated memory is still 138.4MB. Free memory was 90.1MB in the beginning and 88.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.60ms. Allocated memory is still 138.4MB. Free memory was 88.0MB in the beginning and 85.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.85ms. Allocated memory is still 138.4MB. Free memory was 85.9MB in the beginning and 61.6MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 14417.67ms. Allocated memory was 138.4MB in the beginning and 618.7MB in the end (delta: 480.2MB). Free memory was 61.2MB in the beginning and 163.0MB in the end (delta: -101.8MB). Peak memory consumption was 380.3MB. Max. memory is 16.1GB. * Witness Printer took 37.02ms. Allocated memory is still 618.7MB. Free memory was 163.0MB in the beginning and 158.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3s, 264 PlacesBefore, 98 PlacesAfterwards, 266 TransitionsBefore, 95 TransitionsAfterwards, 11298 CoEnabledTransitionPairs, 8 FixpointIterations, 133 TrivialSequentialCompositions, 72 ConcurrentSequentialCompositions, 21 TrivialYvCompositions, 11 ConcurrentYvCompositions, 5 ChoiceCompositions, 242 TotalNumberOfCompositions, 63213 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17505, independent: 16461, independent conditional: 0, independent unconditional: 16461, dependent: 1044, dependent conditional: 0, dependent unconditional: 1044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5952, independent: 5811, independent conditional: 0, independent unconditional: 5811, dependent: 141, dependent conditional: 0, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 17505, independent: 10650, independent conditional: 0, independent unconditional: 10650, dependent: 903, dependent conditional: 0, dependent unconditional: 903, unknown: 5952, unknown conditional: 0, unknown unconditional: 5952] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 945, Positive conditional cache size: 0, Positive unconditional cache size: 945, Negative cache size: 88, Negative conditional cache size: 0, Negative unconditional cache size: 88, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 376 locations, 49 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: 14.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1764 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1084 mSDsluCounter, 329 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 198 mSDsCounter, 681 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3506 IncrementalHoareTripleChecker+Invalid, 4187 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 681 mSolverCounterUnsat, 131 mSDtfsCounter, 3506 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=10, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 802 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 2/2 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 16:41:37,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b645ef09-dbc9-4b94-ae62-7390d00ab9a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE